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Cryogenic LNG Butterfly valve

LNG Triple Eccentric Metal Seated Cryogenic butterfly valves are suitable for bi-directional flow and bubble tight shut-off at full rated pressure with extended bonnet according to BS 6364, Direct Mount ISO table, adjustable gland packing, one-piece blow-out proof stem, pinned disc and metal seat.

The materials used throughout are austenite stainless steel which maintains its strength at low temperatures. The sealing system is metal seated providing bi-directional bubble tight shut-off.

An extended bonnet design is used to create an insulation gas column between the stem packing and the cold fluid. This design prevents hardening and shrinking of the packing.

Butt-welding ends have a side entry maintenance system that allows replacement of the sealing ring without removing the valves from the pipeline.

Flanged

Side entry design, inspection & maintenance access by removal of up or downstream piping.

Size Range : DN 150 – DN 1100 (6” – 44”)

Pressure Classes : ANSI/ASME 150 LBS, 300 LBS, 600 LBS,

900 LBS and 1500 LBS

Flanged end connections
Side entry
Extended Cryogenic Bonnet (BS 6364)
One piece blow-out proof stem
Direct mount ISO table, no additional brackets required
Adjustable gland packing, can be adjusted without removal of the actuator

Butt-Weld

Side entry design with inspection & maintenance cover for in-line inspection & maintenance access.

Size Range : DN 150 – DN 1100 (6” – 44”)

Pressure Classes : ANSI/ASME 150 LBS, 300 LBS, 600 LBS,

900 LBS and 1500 LBS

Butt-weld end connections
Side entry
Extended Cryogenic Bonnet (BS 6364)
One piece blow-out proof stem
With an Inspection and maintenance cover for in-line access
Direct mount ISO table, no additional brackets required
Adjustable gland packing, can be adjusted without removal of the actuator

Operation

Manual worm gear operation
Single or double acting pneumatic actuator
Hydraulic actuator
Electric motor actuator

Standards : Design and testing in accordance with API 609, API 598 and BS 6364 Valves for Cryogenic Service. Fire Safe approved in accordance with API 607

Materials : Stainless Steel 316, 316L, others on request.

Production Range : Size : DN 150 – DN 1100 (6” – 44”)

Working Pressure : CL150 to CL600 Bar

Working Temperature : -196°C to + 815°C

Pressure Classes : ANSI/ASME 150 LBS, 300 LBS, 600 LBS, Others on request.

Testing

All cryogenic valves are tested in the fully equipped cryogenic in-house testing facilities.