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Fully Welded Trunnion Ball Valve with Companion Flanges

Didtek Fully Welded Trunnion Ball Valve with Companion Flanges is a high-integrity safety solution designed for natural gas transmission, district heating, and industrial pipeline networks.

Model:
QW347-20316Ti
Brand:
DIDTEK
Code:
FWBV-FWBV-011

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Fully Welded Ball Valve with Flanges API 6D Trunnion Ball Valve Buried Service Welded Body Gas Pipeline Valve Ball Valve with Companion Flange Kit Zero Leakage Fully Welded Valve Manufacturer

Product Detail

Product Parameters

Parameters

Application & Function

Product Detail

The Didtek Fully Welded Trunnion Ball Valve with Companion Flanges is a high-integrity safety solution designed for natural gas transmission, district heating, and industrial pipeline networks. Its monolithic fully welded body construction eliminates potential external leak paths common in bolted designs, ensuring maximum operational safety. This model comes as a complete package including companion flanges, gaskets, and bolting, ensuring a perfect match and immediate readiness for field installation. It is exceptionally rugged, maintenance-free, and ideal for buried service applications. A-11-DIDTEK-Fully-Welded-Trunnion-Ball-Valve-with-Companion-Flanges

Product Parameters

Parameter Name	Parameter
Size Range	12''
Pressure Range	150LB
Material	316Ti
Seal	Soft Seat: Hydrogenated Nitrile Butadiene Rubber
Temperature Range	-196°C~800°C
Design According	API6D
End to End Dimension	ASME B16.10
End Flanges	ASME B16.5
End Connection Type	RF
Fire Safety	API607
Inspection and Test	API 598
Operate	Worm Gear
Body Type	Full Welded Ball Valve
Type of Valve	Trunnion Ball Valve
Suitable Medium	Water, Natual Gas, Oil and some corrosive liquid

Design Description

Fully Welded Integrity: The unibody welded construction replaces bolted joints, resulting in a lighter, more compact design with zero external leakage risk.
Companion Flange Package: Supplied with matched companion flanges, gaskets, and high-strength bolts, ensuring seamless integration and eliminating the hassle of secondary sourcing.
Trunnion Mounted Stability: Internal shafts absorb line pressure loads, ensuring low operating torque and preventing uneven seat wear for a longer service life.
Double Block and Bleed (DBB): Fully compliant with API 6D, featuring independent bi-directional sealing and cavity relief for safe on-line integrity testing.
Buried Service Readiness: Optional stem extensions are available for underground installation, bringing operation, lubrication, and venting to the surface.
Fire Safe & Anti-Static: Certified to API 607 / API 6FA fire safety standards, with built-in anti-blowout stems and anti-static devices for maximum protection.

Parameters

Brand	DIDTEK
Structure	Full Welded Ball Valve
Material	Aluminum-magnesium series anti-rust aluminum alloy
Type	Forged Ball Valve
Test	100% quantity tested before delivery
Guarantee	18 months after shipments and 12 months after installed
Delivery	15 - 60 days
Sample	Sample Available by Didtek Valve
Color	Customer request
Packing	Plywood Case
MOQ	1 Set
Certificate	API6D, CE, UKCA, ISO9001, TS, EAC, ISO15848, TA-LUFT, API607, API6FA etc.
Place of Origin	Zhejiang, China (Mainland)
Delivery Detail	Shipped in 15-30 days after payment
Port	Shanghai Or Ningbo
Payment Terms	L/C,D/A,D/P,T/T, Western Union

Application & Function

Gear Operator Free Forged LF2 Top Entry Ball Valve are widely utilized in demanding environments due to their superior material properties:

Natural Gas Transmission: Serving as main-line isolation valves or core components in compressor stations.
City Gas & District Heating: The maintenance-free design is perfect for underground gas grids and hot water distribution.
Regulation & Metering Stations: Pre-matched companion flanges allow for rapid, reliable connections to filtering and metering skids.
Oil & Petrochemical Storage: High-security piping systems handling flammable, explosive, or hazardous media.