VAHTERUS SOLUTIONSFOR REFRIGERATION

INDUSTRY 2018

Co-Operation partnes

• Dicostock S.L., Spain• Datcor S.r.l, Italy• Wijbenga B.V, The Netherlands• Zudek S.r.l, Italy• CIMCO Refrigeration, Canada• Francks Kylindustri AB, Sweden• GEA Grasso, Worldwide• Haffmans BV, The Netherlands• M&M Refrigeration, Inc, The USA• RV Cooling Tech, Spain• THI Refrigeration LTD, Korea• Kota d.o.o, Slovenia• Mayekawa, Worldwide• Therma Industry AS, Norway• SKT NV, Belgium

• Johnson Controls / Frick, Worldwide• TH. Witt, Germany• UAB Green Group, Lithuania• Engie (Axima Refrigeration SA /

Cofely), Europe• Star Refrigeration, The UK• Zanotti (TEWIS), Spain• Svedan Industri Koleanlaeg A/S,

Denmark• Innovative Refrigeration, The USA• United States Cold Storage, The

USA• Vilter Manufacturing LLC, The USA• Walter Wettstein AG, Switzerland• Zimmermann GmbH, Germany

- Large size & weight- High fouling

- Low pressure- Low temperature- Gasket

+ High pressure+ High temperatures+ No gaskets+ Compact+ Low fouling+ Close approach temps

Plate and Frame HE Shell &Tube HE

PSHE

Inventor of plate & shell heat exchanger

• Established in 1990

• Privatly owned company

• 230 Employees

• Turnover 32 M€

• 3 000 units/a, Σ 42 000 units

• Over 95% products exported from

Finland

• Subsidiary companies in the UK,

Germany, the USA and China

Vahterus

Vahterus in figures

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Deliveries by units

Deliveries by units

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Domestic

61 %19 %

20 %Deliveries by industry

Refrigeration

Energy

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Employees

• Management System• ISO 9001:2008 Quality• ISO 3834-2:2005 Welding• OHSAS 18001:2007 Health

and Safety• ISO 14001:2004 Environment• PED Module B + D, D1• ASME U-stamp and R-stamp• AD-2000-Merkblatt HP0• China Manufacturing License• KGS Sertificate (South Korea)

• Design• PED 97 / 23 / EC – CE-mark• ASME VIII, div. 1• AD-2000 Merkblatt• PD5500• Lloyd’s Register• ABS Europe Ltd.• Germanischer Lloyd• Bureau Veritas• RINA• Inspecta• GOST-R ja RTN• Other by request• Welding Procedures

• EN ISO 15614-1• PED 97/23/EC demands• ASME IX

Quality

ORGANISATIONCERTIFIED BY

ISO 9001ISO 3834-2ISO 14001

OHSAS 18001

• To all units:

– Leak test for plate pack with mixture of 10%

helium and air

– Hydraulic pressure test with water to shell

and plate sides

• Upon request / selected applications:

– Helium vacuum test for plate pack

– 100% / 50% / 25% NDT test

Testing

Bursting pressure / Plate thickness with AISI 316L

Mechanical testing

• Renewed VES and combined

• Up to 1.5 mm plate thickness

• More hands to production and engineering

department

• Laser cutting

• New sales organization

• Continous R&D

• Manuals and Handbooks

What’s happening in Vahterus

Vahterus solutions for customersneeds

Temperature range -80 / 150 C

Pressure range -1 / 80 bar

Capacity 50 – 2 000 kW

• Compact size

• Small refrigerant charge

• No external piping

• Easy to insulate and paint

Combined

Suction line

NH3 in

Brine out

Brine in

Oil Recovery

Sightglasses

Liquid level

Liquid level

Combined Construction1 Suction Connection

2 Safety valve connection

3 Standpipe

4 Maximum level alarm (optional)

5 Filling material (optional)

6 Plate

7 Distance

8 Standpipe

9 Oil collecting pipe

10 Shell

11 Separation system

12 Refrigerant inlet

13 Maximum level (alarm)

14 Control level (operation

15 Minimum level

16 Inlet

17 Outlet

18 Oil drain (NH3)

Temperature range -80 / 150 C

Pressure range -1 / 80 bar

Capacity 50 – 2 000 kW

• No external separator

– Influence to total height

• Easy to customize

• Small refrigerant charge

• Helium vacuum test

• Temperature difference 3 - 5 K

Ammonia / Carbon Dioxide combined

Ammoniasuction line

Ammonia inCO2 gas

CO2 condensate

Oil Recovery

Sightglasses

Liquid level

Liquid level

Temperature range -80 / 150 C

Pressure range -1 / 80 bar

Capacity 50 – 2 000 kW

• One or two size bigger shell

• Applications where storage volume is

needed

Combined with oversized shellAmmoniasuction line

Ammonia in

Brine outlet

Brine inlet

Oil Recovery

Liquid level

Liquid level

Oil Recovery

Temperature range -80 / 150 C

Pressure range -1 / 80 bar

Capacity 50 – 5 000 kW

• Small space requirement

• Ready to install

• Easy to customize

• Economical

Vahterus systems

Suction line

NH3 in

Brine out

Brine in

Oil Recovery

Oil Recovery

CO2 liquid out

CO2 gas in

Shared separator for flooded evaporator and cascade

Condenser with longer feet’s

• No extra standing support needed

• Space example for piping and high float valve

• Correct size outlet nozzle for high floating valve

• Easy to execute during desing phase

Liquid NH3outlet

Gas NH3 inlet

Brine outlet

Brine inlet

Condenser with integrated receiver

• Eccentric plate pack

• Bigger shell diamater

• Extra connections possible if needed

Approx. 30 litres receiver

Liquid/GasNH3 outlet

Gas NH3 inlet

Brine inlet

Brine outlet

Condenser with integrated receiver

• Eccentric plate pack

• Overzized outlet connection

• Extra connections possible if needed

Brine inlet

Brine outlet

Liquid NH3 outlet

Gas NH3 inlet

Non-condensables out

Collection pot

Support pads

• CO2 in shell

– Inlet and outlet from same nozzle

• Evaporator (DX) in the plate side

CO2 tank vent condensers

Dry refrigerantgas outlet

Refrigerant liquid inlet

Vent nozzle

CO2gas/liquid

• All heat exchangers for heat pumps

• De-superheaters

• Condensers

• Cascades

• Subcoolers

• Oil coolers

• Customized constructions

• For max performance

PSHE’s for Heat Pump Solutions

Discharge line

NH3 in

Brine out

Brine in

• Condenser in top

• Subcooler in ”outlet nozzle”

• Nozzles for liquid level control

Integrated subcooler

Liquid level nozzle

Liquid level nozzle

NH3gas

NH3 subcooled liquid

• Desuperheater

• Condenser

• Subcooler

• Nozzless for liquid level control

One package for HP side

Liquid level nozzle

Liquid level nozzle

NH3 gas

NH3 subcooled liquid

• Example

– Condenser + Oil cooler

– Economizer + Oil cooler

• Own or shared circuits

Two units in the same shell

• No gasket nor brazing• High integrity / total containment• Strong and safe construction• Unique protection and resistance to thermal

and pressure cycling• Thermally efficient• Compact and Low weight• Proven, reliable technology• Low fouling• Minimal maintenance requirement• Close approach temperatures

Benefits of Vahterus PSHE