Fact Sheet Oil Sands hoses Trelleborg Engineered Products .../media/... · Outer cover: 1192 Trelleborg Oil Sands Compound (EPDM/NR) Thickness standard 10 – 15 mm for oil sands

Fact Sheet Oil Sands hoses

Trelleborg Engineered Products

The Netherlands

+ 31 180 495 555

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INDEX

Page:

Dimensional range / options and parameters. 3

Pressure ratings. 4

Construction. 5

Flange options. 6

Safety factors. 8

Quality assurance, inspection and testing. 9

ITP (example). 21

Production schedule. 27

Shipment report (example). 28

Data book. 36

Pictures of applications. 38

Contact 48

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DIMENSIONAL RANGE / OPTIONS AND PARAMETERS

Straight hoses diameter range: ø 50 – ø 2200 mm. (ø2“ – 87“).

Preformed elbow diameter range: ø150 – ø 1000 mm. (ø6“ – 40“).

Straight hose length limits: 12.192 mm (40‘).

11.800 mm (38.7‘) is our standard length.

For shipment of a 40’ hose you will need a 45’ container, for shipment of our standard

length you will need a 40’ container.

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PRESSURE RATINGS

The Maximum Pressure Rating is dependent on the inner diameter (ID) of the hose.

Trelleborg manufactures a big range of diameters in combination with different pressure

ratings. Up to 650 psi (48 bar) design pressure for a 30” hose is possible.

Design Conditions 1. Design pressure: slurry line design pressure.

2. Burst pressure: 3 slurry line design pressure. 3. Design for partial vacuum, 80 kPa absolute pressure (21 kPa vacuum). 4. Design Temperature: 95 °C. 5. Ambient Temperature Range: -50 °C to 40 °C. 6. Liner and/or cover thickness is not considered in design calculations for pressure containment. 7. Hose accommodates expansion under pressure with both ends fixed.

Internal pressure may cause expansion of rubber hoses in both axial and circumferential ways and too much axial movement can cause buckling with fixed ends. The hoses are designed so that buckling is prevented during the operation.

If the service stream requires higher vacuum rating than partial vacuum this must be clearly mentioned in the purchase description. The rubber hose will be designed and constructed suitably for this application, without causing collapse or buckling of the rubber hose under the specified vacuum conditions.

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CONSTRUCTION

Wear liner: 1785 Trelleborg Oil Sands Compound (NR/NBR/BR)

Thicknesses of up to 100 mm (4”).

The design requirements determines the liner thickness.

Liner is manufactured from a hydrocarbon resistant elastomer that maintains the required physical properties throughout the design temperature range. Liner has good resistance to cutting and wear by solid particles in the slurry. Liner is thick enough to provide the required wear performance with a nominal thickness of 50 mm (2”) being considered standard for hydro-transport and coarse tailings. For the applications having mild wear issues (i.e., middlings, fine tailings) or requiring more flexibility of rubber hoses, thinner liner will be used with a nominal thickness of 12.7 mm (0.5”) being considered as minimum. Liner shows no evidence of blisters or delamination in oil sands applications. Liner has smooth bore surface: surface irregularities may cause slurry turbulence and the resultant accelerated wear.

Reinforcement: Polyester-, Aramide- and Rayon cord are options for

reinforcement materials.

Reinforcement material and thickness depending on the

pressure rating and application and will be determined by

Trelleborg

A unique feature is that the reinforcement cord layers are

rubberized to prevent inter cord rubbing and wear. Most of the

cord layers are rubberized in house.

Outer cover: 1192 Trelleborg Oil Sands Compound (EPDM/NR)

Thickness standard 10 – 15 mm for oil sands applications.

Cover has good resistance to weathering, sunlight, abrasion, bitumen, and mechanical damage common to outdoor pipeline service. Cover is thick enough to provide the required protection of the reinforcement from mechanical damage.

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FLANGE OPTIONS

Built-in Rubber Flange BIRF

Built-in Nipple Flange BIN

Victaulic® VIC

BIRF Built-in Rubber Flange

Double Action flange® in two designs The Double Action flange® is Trelleborg’s most recent development. The main feature of this flange is the superior axial strength due to integrated locking flange. This flange is able to accept high bending loads due to thick integrated flange and backing flange and will not fall apart due to rust. Thick integrated flange and backing flange allow for a large radius in flange neck which eliminates cutting forces on the cords. The Double Action flange comes in two designs: the Double Action flange® and the Double Action flange® XA (Extreme Application) with steel gasket flange. The latter gives even better sealing at high pressures and offers protection to the reinforcement cords when mounted to sharp edged raised face flanges. We recommend this flange for applications where a very short hose is needed with a relative big angle of curvature and high working pressure. The bold circle diameter must be big enough to accommodate the cord layers and rubber. This will be determined by Trelleborg with the proposed design.

Double Action flange® Double Action flange® XA

Flange material: A 105 (N) or per end user’s requirement

Design Code: ASME B31.3

ASME B16.47 and B16.5 Tolerances

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BIN Built-in Nipple Flange

Steel couplings vulcanized in for extreme working conditions Our solid steel couplings are suitable for heavy and very heavy duty applications. They can be made with the smallest possible pitch circle diameters and are vulcanised into the hose. These couplings are secured with our safety strap system for extra safety. This system makes the hose suitable for high loads and bending moments and prevents the hose / nipple connection to fail under extreme circumstances.

Flange material: A 105 (N) or per end user’s requirements

Pipe material: API 5L Grade B or per end user’s requirements

Design Code: ASME B31.3

ASME B16.47 and B16.5 Tolerances

VIC Victaulic® coupling

Flange material: A 105 (N) or per end user’s requirements

Pipe material: API 5L Grade B or per end user’s requirements

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SAFETY FACTORS

Standard for oil sands application the safety factor is 3 times the design pressure.

Depending on the risk of the area.

In most of the Trelleborg hoses and rubber applications you can choose for conductivity

wires in the hose at certain levels for extra safety.

Trelleborg recommends:

Wear Indicating Wire System Hoses can be equipped with a wear indicating system consisting of a wire conductor embedded in the liner at specific depths. In case of single wire system, the wire conductor is embedded at a nominal depth of 75% wear life (at the depth corresponding to 75% of total liner thickness from the internal surface). In case of double wire system, the wire conductor is embedded at a nominal depth of 50% and 75% wear life. A wear indicator check point is provided to perform scheduled continuity tests. The wear indicator check point is designed not to be vulnerable to the mechanical or environmental (e.g., water) damage during installation, handling and pipe rotation. The above requirements will be waived if the liner thickness is 12.7 mm (0.5”) or less.

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QUALITY ASSURANCE, INSPECTION AND TESTING

QUALITY ASSURANCE Trelleborg maintains traceable quality assurance records on each rubber product throughout the manufacturing process, from raw material, inspection and testing, hose assembly, to final testing and inspection. Responsibility The responsibility to properly manufacture and inspect material or equipment prior to its delivery rests solely with Trelleborg The fact that material or equipment has been inspected by the end user does not relieve Trelleborg of the responsibility to meet all requirements specified. Definitions Verification Point A step in manufacturing where verification must confirm compliance with quality requirements. Trelleborg will advise the end user when these points are reached, a reasonable time in advance as shown on ITP. Trelleborg may proceed past a Verification Point providing permission to proceed is obtained from the end user. Hold Point A step in manufacturing where witnessing by end user is mandatory. Fabrication or testing must not proceed past a hold point without end users approval. Trelleborg will advise the end user of reaching this point a sufficient time in advance as provided in the ITP. Trelleborg is responsible for the development of the ITP. The ITP lists the minimum hold points required, and types of tests that require witnessing or verification by end user. Trelleborg shall consult the end users QA/QC to discuss these requirements prior to developing the plan. The end users QA/QC must review and accept Trelleborg’s ITP prior to the start of production. Trelleborg can provide the end user unprized copies of our purchase orders for plates, forgings, pressure containing parts and fabricated sub-assemblies if needed. Trelleborg QC Manual and procedures are available for review and approval. Trelleborg can provide records of all personnel qualified in welding and NDE if needed. Trelleborg can provide mill test certificates for all pipes and flanges if needed.

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INSPECTION AND TESTING (HYDROSTATIC TEST)

TRELLEBORG RUBBER HOSE

TEST PROCEDURE

TABLE OF CONTENTS

1.0 FOREWORD

2.0 ISO 1402:1994 3.0 GENERAL

4.0 DEVICE AND MEASUREMENT INSTRUMENTS

5.0 HOSE TESTING

6.0 APPLICATION OF HYDROSTATIC PRESSURE

7.0 HYDROSTATIC PRESSURE TESTS

8.0 TEST REPORT

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1. Foreword The International Standard ISO 1402:1994 was used as referenced document for this test procedure.

2. ISO 1402 :1994 Rubber and plastics hoses and hose assemblies Hydrostatic testing This International Standard specifies methods for the hydrostatic testing of rubber and plastics hoses and hose assemblies, including methods for the determination of dimensional stability.

3 General Unless otherwise specified, all tests shall be carried out at ambient temperature. The defined and accepted drawing of the product will always be leading.

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4 Device and measuring instruments 4.1 A water pressure device, capable of applying pressure at rate specified, up to the required test pressure. 4.2 Calibrated pressure gauge and pressure transmitter with digital readout are chosen for each test so that the test pressure is between 15 % and 85 % of the full-scale reading. 4.3 In the interest of accuracy, calibrated pressure gauges or pressure transmitters with digital readouts are checked at frequent intervals (minimum once a year). 4.4 The water hose inlet and the hose pressure measure connection mounted on the hose blind flanges are separated as far as possible to minimize shock damage from pump pulsations and to measure only static pressure without influence of the dynamic pressure (Fig. 1).

Fig.1 4.5 Calibrated sliding vernier calipers or micrometers, and measuring tapes are used for measurements.

3/4"

1/2"

1/2" 3/4"

3/4" PUMPUNIT

PRESSURE MEASURE UNIT

HOSE

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5 Hose Testing 5.1 Straight hose The hydrostatic pressure tests and burst tests shall be carried out on a hose with blind flanges and with the hose ends unrestricted. 5.2 Rubber bends and elbows The hydrostatic pressure tests and burst tests shall be carried out on a bend or elbow mounted in a test framework with fixed length and dimensions including blind flanges. 5.3 Inter stage offset spool The hydrostatic pressure tests and burst tests shall be carried out on an inter stage spool mounted in a test framework with fixed length and dimensions including blind flanges.

6 Application of hydrostatic pressure 6.1 General Potable water shall be used as the test medium. WARNING – A pressurized hose can fail in a potentially dangerous manner and for this reason, the test must be performed in a protected and safe area. 6.2 Procedure 6.2.1 Mount special test blind flanges on the hose to plug the ends. Mount when applicable on the test framework. 6.2.2 Fill the hose with potable water, expelling all air, and connect to the test equipment. Open the valve and apply the hydrostatic pressure at a uniform rate of increase. (6.2.3) Measure the pressure using a calibrated pressure gauge and with digital readout. 6.2.3 The rate of pressure increase and measurement intervals shall be constant and chosen to reach the final pressure and shall be decided between the manufacturer and end-user.

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7 Hydrostatic pressure tests

7.1 Proof pressure hold test When proof pressure tests are used to determine leakage of hoses, apply the specified proof pressure in accordance with 6.2.2 and hold it for not less than 10 minutes or more, unless otherwise specified in the drawing of Trelleborg. Examining the test hose during this period for evidence of leakage, cracking, abrupt distortions indicating irregularity in material or manufacture, or other signs of failure. Unless otherwise specified for the hose, the proof pressure shall be related to the design operating pressure by the ratio given in ISO 7751 or decided between the manufacturer and user. Criteria for failure There shall be no leakage or evidence of failure. Leakage at the end fitting, fitting blow-off or rupture of the hose adjacent to the fitting shall be considered as failures in the performance of the hose. 7.2 Measurement of deformation under pressure 7.2.1 General procedure When tests for determining change in length and change in internal diameter are required, straighten the hose, lay it out horizontally for inspection and apply a hydrostatic pressure of 0,0 MPa (and when it is necessary 0,07 Mpa) to stabilize the hose. For the circumference measurements make reference mark(s) on the outer surface of the hose and maintain measuring tapes. For the length measurements maintain measuring tapes between the hose frontal flanges. Maintain the initial pressure of 0,0 MPa and make the appropriate measurements (see 7.2.2, 7.2.3 and 7.2.4) at the reference marks. Apply the specified test pressure at the rate specified in 6.2.2 and maintain it for 1 min before making the test measurements, which shall then be made as quickly as possible to avoid prolonging the test period. NOTE: The test pressure, the design Operating pressure and burst pressure will be specified in the appropriate hose product specification. Below the test pressure the hose deformation characteristics are to be measured.

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7.2.2 Change in length Measure the length between the frontal flange surfaces, with an accuracy of ±5 mm, using the measuring tape, at the initial pressure (0,0 MPa) and at the specified test pressure. Calculate the change in length, mm1, expressed as a percentage of the original length, from the equation: l 1 - l 0

l = ---------- x 100

l 0

where l 0 is the distance, mm1, between the hose frontal flange surfaces measured at the

initial pressure; l 1 is the distance, mm1, between the same the hose frontal flange surfaces

measured at the specified test pressure.

L0 L1 Δ L

1000 1100 10% 7.2.3 Change in external diameter 7.2.3.1 General The external diameter should preferably be determined from measurements of circumference made with an accuracy of 1 mm using a measuring tape. 7.2.3.2 Determination by measuring the change in external circumference Using the measuring tape, measure the circumference at the reference mark(s) at the initial pressure (0,0 MPa) and at the specified test pressure. Calculate the change in diameter, expressed as a percentage of the original diameter, from the equation: C 1 - C 0

D = ---------- x 100

C 0

Where: C 0 is the circumference at reference mark(s) measured at the initial pressure;

C 1 is the circumference at reference mark(s) measured at the specified test

pressure.

D0 D1 Δ D

800 840 5%

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7.3 Burst pressure test Increase the pressure at a rate in accordance with 6.2.2 until the hose fails. The position and mode of failure shall be recorded in the test report. This is not a standard test.

8 Test report The test report shall include the following particulars for each test undertaken: a) a full description of the hose tested; b) a reference to this International Standard, i.e. ISO 1402; c) the method used; d) the number of test hoses tested and the length of each test hose; e) the test pressure and rate of pressure increase and pressure intervals; f) the results obtained for each test hose; g) if the test hose fails, the position and mode of failure; h) any unusual features noted during the test; j) the date of the test. NOTE: Trelleborg can perform tests to ensure that the hose conforms to the requirements of the end user.

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INSPECTION AND TESTING (COMPOUNDS)

All of the compounds are produced at a mixing facility in The Netherlands.

The compounds that we use have been tested and approved before delivery and the test

results reported according NEN-EN 10204-3.1 B.

All testing of physical properties were carried out according ISO 47 (ASTM D-1349) and

below mentioned standards.

MDR-Rheometer data ISO 6502 (ASTM D-5289) amplitude 0.5°, frequency 1.7 Hz

Mooney viscosity ISO 289-1 (ASTM D-1646)

Specific gravity ISO 2781 (ASTM D-297-1)

Hardness [Sh.A/D] ISO 7619 / DIN 53505 (ASTM D-2240)

Hardness [IRHD] ISO 48 / DIN 53519-1 (ASTM D-1415)

Tensile strength ISO 37 (type 2) (ASTM D-412A)

Elongation at break ISO 37 (type 2) (ASTM D-412A)

Tear strength (Delft) ISO 34-2

Tear strength (Cresent) ISO 34-1C (ASTM D-624B)

Tear strength (Trouser) ISO 34-1A

Compression set ISO 815 B (ASTM D-395B)

Trelleborg 1785:

Specific gravity [kg/m3] 1130±30 Test method ASTM D-297-1

Hardness [Sh.A] 57±3 Test method ASTM D2240

Tensile strength [MPa] >15 Test method ASTM D-412A

Elongation at break [%] >400 Test method ASTM D-412A

Tear strength (Delft) [N] >30 Test method ISO 34-2

Every batch will have its own test report:

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INSPECTION AND TESTING (QUALIFICATION TEST) Trelleborg qualified the liner material and adhesion system by performing the following tests. The qualification tests were required one time, prior to the commercial production. This test is not a standard test. Adhesion Test Adhesion Test Method Trelleborg has provided the end user with two adhesion sample plates per liner material / adhesive system. The adhesion sample plates had the elastomer layer bonded to steel plate as shown below.

Adhesion test has been performed by end user or a approved 3rd party laboratory. Test coupons with 25 mm width were cut from the plates using a water-cooled band saw or similar equipment.

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The coupons were tested by means of a 90° stripping method using a test fixture as shown below.

The coupons has been totally immersed in the following media:

Bitumen at 70 °C for seven (7) days

Water at 70 °C for seven (7) days The coupons were withdrawn from the test media and immediately tested in the fixture maintaining the immersion temperature as close as possible. The test rate: 100 mm/min. Adhesion Test Criteria The liner and adhesive system has met the following minimum values for adhesion / tear strength. Initial adhesion strength of 8.8 kN/m width (50.0 lbs/inch width) tested at 20 °C (no immersion). Adhesion strength of 4.4 kN/m width (25 lbs/inch width) after 7 days total immersion in bitumen at 70 °C, and tested immediately after removal from immersion. Adhesion strength of 4.4 kN/m width (25 lbs/inch width) after 7 days total immersion in water at 70 °C, and tested immediately after removal from immersion.

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ASTM D 746 Brittleness Test

Trelleborg has performed a brittleness test per ASTM D 746 on all elastomeric hose components and submitted the results to the end user. All elastomeric hose components did not fail in a brittle manner when tested at -40 °C. Slurry Jet Erosion (SJE) Test Trelleborg has provided the end user with one test plate per liner material. The test plate had a elastomer layer of 6.4 mm (0.25”) thickness fully bonded to steel plate of 6.4 mm (0.25”) thickness, with a dimension of 152 mm x 152 mm (6” x 6”). Test coupons of 25.4 mm in width, 76.2 mm in length, and 12.7 mm in total thickness (1” x 3” x 0.5”) was cut from the plate using a water-cooled band saw or similar equipment. SJE test has been performed by the end user or approved 3rd party laboratory. The wear data has been reviewed and approved. (by Materials Research department.) Burst Test Trelleborg has proven 3:1 safety factor by performing a burst test. A prototype rubber hose has been used for this purpose. The burst test was witnessed and certified by a 3rd party inspector.

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1. ITP (TEMPLATE)

TRELLEBORG BV

Inspection & Test Plan

Doc.no.

Customer

MR NO:

PO NO:

PIF NO:

JOB NO

PRODUCT

Product: Flexible Hose

Size:

Tag:

Date :

Revision :

Revision date :

Trelleborg project NO :

Trelleborg Order NO :

TE = Trelleborg H = Hold R = Review TEFM= ISO 9001 Trelleborg Factory Manual

C = Customer W = Witness S = Surveillance POC = Production Order Card

E = End-user PCC = Production Confection Card

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First Issue Date Latest Revision Approval Date

Client

Prepared by

Checked by

Approved by Customer -

Revised by - -

TRELLEBORG BV


Doc.no.

Customer

MR NO:

PO NO:

PIF NO:

JOB NO

PRODUCT


Size:

Tag:

Date :

Revision :

Revision date :






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No: Description Control Document Verification Document /

Acceptance Criteria Trelleborg Customer

DESIGN

1 Design hose E-xx-xxx-xxx Datasheet H H

2 Design coupling E-xx-xxx-xxx Datasheet H R

PREPARATION &

PRODUCTION

4 Flange materials Supplier certificates SCL LF2 app B R R

TRELLEBORG BV


Doc.no.

Customer

MR NO:

PO NO:

PIF NO:

JOB NO

PRODUCT


Size:

Tag:

Date :

Revision :

Revision date :






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5 Certificate Rubber Materials Batch number rubber Batch number rubber H R

6 Certificate Cord Materials Batch number Batch number H R

7 Production hose PCC POC H

No: Description Control Document Verification Document /

Acceptance Criteria Trelleborg Customer

TESTING

11 Hydrostatic test hose PCC H R

12 Measurement report AS BUILT Drawing E-xx-xxx-xxx AS BUILT H R

TRELLEBORG BV


Doc.no.

Customer

MR NO:

PO NO:

PIF NO:

JOB NO

PRODUCT


Size:

Tag:

Date :

Revision :

Revision date :






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13 Hose preparation painting H R

14 Final inspection visual & dimensional (with third party)

AS BUILT Drawing E-xx-xxx-xxx AS BUILT H H

15 Final review of tagging/Identification/marking

H H

16 All NCR’s closed H H

17 Shipping Bill of Materials H H

18 Ready for transport Release note H H

SHIPMENT

TRELLEBORG BV


Doc.no.

Customer

MR NO:

PO NO:

PIF NO:

JOB NO

PRODUCT


Size:

Tag:

Date :

Revision :

Revision date :






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19 Packaging POC H R

20 Documents Data book H R

Remarks:

- Hose assembly not registered for ABSA.

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PRODUCTION SCHEDULE

After approval of the drawings, Trelleborg will provide a production schedule

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SHIPMENT REPORT (EXAMPLE)

SHIPMENT REPORT (EXAMPLE)

PRODUCT : Flexible Rubber Hose

DIMENSIONS :

REF: M.R. # :

REF: P.O. # :

END USER Job # :

REF: DWG. #:

TAG HOSE #:

TAG COUPLING #:

TRELLEBORG ORDER#

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INDEX

Page:

Frontpage 28

Index 29

Inspection and testplan 30

ABSA Documentation 32

Pressure test certificate 33

Handling 34

Storage 35

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INSPECTION AND TEST PLAN

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ABSA DOCUMENTATION

ABSA registration is not required (See point 2.8 of the MR)

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PRESSURE AND DIMENSIONAL TEST CERTIFICATE

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HANDLING

The preformed rubber bend is placed on a skid

Lift the skid and hose together with the supplied green flat straps.

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STORAGE

Pay attention to the next points:

Store in a cool (10 – 20 °C) (50– 68 °F) and dry area.

Prevent exposure to direct sunlight, ultra-violet (UV) light, or strong fluorescent lights.

Do not store any volatile solvents, fuels or other chemicals simultaneously in the same space.

Before installation/start up operation check the hoses for damages and cracks. In case of uncertainty, if the hose is suitable for installation, please contact Trelleborg.

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DATA BOOK

DATA BOOK

PRODUCT : PREFORMED RUBBER BEND

DIMENSIONS : Ø724 x R=3810 45°

REF: M.R. # :

REF: P.O. # :

Job # :

Job # :

REF: DWG. #:

TAG HOSE #:

TAG COUPLING #:

TRELLEBORG ORDER# 567.00/11

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INDEX

Trelleborg will provide a data book together with every product we manufacture and deliver. This data book index is an example how it will look like.

Chapter:

Fabrication drawings

- Hose

- Built-in Nipple flange

1

ITP 2

Built-in Nipple fange

- Partlist

- Welding procedures

- NDE

- Welder

- Material certificates

- Dimensional control

- Blasting & painting couplings

3.1

3.2

3.3

3.4

3.5

3.6

3.7

Certificates

- Seller

- Rubber & Cord materials

- Pressure gauge

- Pressure test

4.1

4.2

4.3

4.4

NCR report 5

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2. Pictures of applications

Interstage offset spools between pumps (tailings)

Stage 1-2 Stage 2-3

Operating pressure: 150 psi (10,3 bar) 170 psi (11,75 bar)

Test pressure (2x WP): 300 psi (20,6 bar) 340 psi (23,5 bar)

Bursting pressure: 609 psi (42 bar) 609 psi (42 bar)

Design temperature: 90°C (194 °F) 90°C (194 °F)

Compression: 1,2“ (30 mm) 1,2“ (30 mm)

Elongation / Expansion: 1,6“ (40 mm) 1,6“ (40 mm)

Offset: 5,31“ (135 mm) 6,10“ (155 mm)

Stage 1-2

Stage 2-3

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Expansion Joint with 3" branch (tailings)

Expansion joint ø26,5“ x 40,5“ (ø673 x 1075 mm.)

Operating pressure: 145 psi (10 bar)

Test pressure: 225 psi (15 bar)

Bursting pressure: 435 psi (30 bar)

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High pressure hose with adapter flanges (tailings)

ø26“x13‘ (ø660x4064 mm)

Operating pressure: 348 psi (24 bar)

Design pressure: 508 psi (35 bar)

Test pressure : 971 psi (67 bar)

Bursting pressure: 2030 psi (140 bar)

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T-Joint (hydro-transport)

ø572 (3x): (23” (3x) x 49”)

Operating pressure : 7 bar / 100 psi

Test pressure: 21 bar / 305 psi

Bursting pressure : 70 bar / 1015 psi

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Preformed Elbows ø24” 5D 90° (tailings)

ø585 x R=3018 mm

Operating pressure: 10 bar / 150 psi


Bursting pressure: 62 bar / 900 psi

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Straight hose 30" x 38.7' (coarse tailings)

ø724 x 11800 (28,5”x 38’-8” )




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Preformed elbow 30" 5D 90° (coarse tailings)

ø724 x R=3810 mm (28,5”x 38’-8” )

Operating pressure: 36,2 bar / 525 psi

Test pressure: 36,2 bar / 525 psi


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30° and 45° preformed elbows (hydro-transport)

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hoses 30" - 36" (RCW & MFT)

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Expansion Barrel 30" (Coarse tailings)

In service since September 2012. Inspected after 5 months and 2500 hours, no wear.

ø724 x 3300 (28,5”x10’-9”)

