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Didtek LF2 Low Temperature Resistant Butt Welding Trunnion Ball Valve

The LF2 low-temperature resistant butt-weld ear shaft ball valve is a high-performance industrial valve specially designed for harsh low-temperature working conditions. This product is made of low-temperature forged steel material, featuring excellent sealing performance and reliable low-temperature adaptability. It is widely used in the transportation systems of low-temperature media such as liquefied natural gas and industrial gases.

Model:
Q67F-100L
Brand:
DIDTEK
Code:
TRBV-FTBV-037

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Product Description

Product Parameters

Product Detail

The Didtek LF2 Low Temperature Butt Welding Trunnion Ball Valve is a high-integrity solution specifically engineered for arctic climates and low-temperature industrial processes. Constructed from ASTM A350 LF2 forged carbon steel, this valve ensures exceptional mechanical toughness and impact resistance at temperatures as low as -46℃. The Butt Welding (BW) ends provide a permanent, leak-proof connection that integrates seamlessly into high-pressure pipelines, making it the preferred choice for natural gas transmission and cold-region oil infrastructure where flanged joints are impractical.

Product Parameters

Parameter Name	Parameter
Size Range	DN100
Pressure Range	PN100
Material	LF2
Seal	Soft Seat: RPTFE
Temperature Range	-46°C~350°C
Design According	API6D
Face to Face	ASME B16.10
End Flanges	ASME B16.5
End Connection Type	RF
Fire Safety	API6FA
Inspection and Test	API 598, ASME B16.34
Operate	Worm Gear
Body Type	Split Body
Type of Valve	Trunnion Ball Valve
Suitable Medium	Water, Natual Gas, Oil and some corrosive liquid

Design Description

Premium LF2 Forged Steel: Specifically heat-treated (normalized) to maintain structural integrity and prevent brittle fracture in sub-zero environments.
Leak-Free Butt Weld Design: The BW connection reduces pipeline weight and eliminates potential leak paths associated with bolts and gaskets, ideal for buried service.
Trunnion Mounted Stability: Distributes fluid pressure loads through the trunnion bearings rather than the seats, ensuring low operating torque even in freezing conditions.
Extended Stem (Optional): Available with stem extensions for buried applications, moving the actuator/operator above ground for easier access in snow or ice.
Full API 6D Compliance: Features Double Block and Bleed (DBB), emergency sealant injection, and fire-safe certification (API 607/6FA).