low-temperature-butterfly-valves

Low Temperature Butterfly Valves

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Extended bonnet design lifts the packing away from the cold zone. The stem remains sealed while the disc handles cryogenic media. A butterfly valve engineered for pipeline services at temperatures as low as -196°C. LNG terminals, ethylene plants, and air separation units.

These environments cause standard valves to freeze up and fail. The extended bonnet maintains packing temperature above freezing. Ice formation on the stem is eliminated, and seal failure is prevented. Constructed with low-temperature materials and cryogenically tested prior to shipment to verify performance at service temperature.

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Specification

Size: 2″-60″
Pressure: 150LB-2500LB
Body Material: CF8, CF8M, CF3, CF3M, CN7M, LC1, LC2, LC3, LCB, LCC, Monel, 20# Alloys, 4A, 5A, F304, F304L, F316, F316L, LF1, LF2, LF3, LF9, F51, F53, etc.
Seal Material: PTFE, NBR, METAL SEAT
Connection Type: Flanged, Wafer, Lug
Operation: Gear operated, pneumatic, motorized
Face to Face Dimension: ASME B16.10
Flange End Dimension: ASME B16.5
Butt Welded Dimension: ASME B16.25
Design and Manufacture: API 609,BS 6364-1984,SHELL MESC SPE 77/200,MSS SP – 134 – 2018
Test Standard: API 598, API 607, API 6FA, ISO 15848-1-2

 

Features

Suitable for the cryogenic/low temperature service. api 6d ball valve

Test the subzero treatment when the temperature below minus 100 ℃.

Suitable for lowest temperature to minus 196 ℃ environment. forged ball valve

Available with low temperature material as LCB/CF8/CF8M, etc.

Generally with extended bonnet to protect packing normal usage in the low temperature environment. carbon steel gate valves

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