TRUNNION MOUNTED BALL VALVE - kolink-valves.com

TRUNNION MOUNTED

BALL VALVE

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Double Block and Bleed(DBB).Refer to Page15.

Sealant injection in seat and stem areafor positive sealing.

Multiple stem seal and packing for fugitive emission control.

Antistatic devices to ensure electrical continuity between the ball, stem and body.

The lower end of stem is designed with an integral collar to be blowout proof.

Fire safe achieved by a secondary metal tometal sealing.

Integral ISO5211 actuator mounting pad, provides easy match-up to the actuator withstandardized connections.

Spring loaded metal seat with soft seat insert to maintainconstant contact with the ball, assuring tight seal even atlow pressure.

SEAT DESIGN FEATURE

In the closed position, the spring loaded seat rings provides a positive seal against pressure from both ends of the valve, when the body cavity between the seating surfaces is vented through vent and drain valve. The drain valve can also be used to test for seat integrity.

Valve in Closed Position

In the event of stem seal or seat insert damage, emergency sealant injection can keep the integrity of the valve by incorporating a sealant seal around the stem or between the seat and the ball.

This design can also automatically relieve excess cavity pressure into the line when the cavity pressure exceeds linepressure.

P1

Pc

P2Pc P1Pc P2

P1 P2Pc P1Pc P2

Pc

KOLINK VALVE 15

DOUBLE BLOCK AND BLEED(DBB) SEALANT INJECTION FITTINGS

P P

Body

BodyBall

Seat

Sealant Injection FittingsSealant Injection Fittings

Stem

Bolt

Gland

Antistatic devices to ensure electrical continuity between the ball, stem and body,to eliminate electrostatic charging during service.

The lower end of stem is designed with an integral collar to be blowout proof, assuring stem sealing at allpressures.

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Double O-ring seal prevent leakage from stem area.

STEM SEAL DESIGN A secondary metal to metal sealing shuts off the valve flow in the eventof soft seat inserts are destroyed by fire. Fire tested to API 607 latest edition.

FIRE SAFE DESIGN

ANTISTATIC DESIGN ANTI-BLOWOUT DESIGN

Stem Gland

Packing

O-ring

Body

Seat

Ball Seat insert

Spring

Ball

Lower Stem

Antistatic fitting

Body

Ball

Lower StemBody

BonnetBonnet

A276-304NBR,EPDN,VITON, etc.NBR,EPDN,VITON, etc.

PTFE,RPTFE,PPL,NYLON,PEEK, etc.

NBR,EPDN,VITON, etc.A276-304

A105

Stainless Steel Low Temp. Steel

Trunnion Mounted Ball TypeSplit Body, End Entry3-piece BodyFull Port for Pigging OperationGear or Actuator Available

Design: API 6D / API 608 / BS 5351Wall Thickness: API 600 / BS 5351Fire Safe: API 607 / API 6FAAntistatic: API 608Face-to-face: ASME B16.10 / API 6DFlange Ends: ASME B16.5 / B16.47Butt-welding End: ASME B16.25Testing: API 598 / API 6D

Features: Applicable Standards:

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L/L1

L2(RF/BW)

(RTJ)

KOLINK VALVE 21

L/L1

L2(RF/BW)

(RTJ)

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