Fully Welded Ball Valve

Name: Fully Welded Ball Valve
Brand: VTXFLOW

Zero-leakage welded body for buried gas pipeline service.

Ball Valve Series

Fully Welded Ball Valve

With a one-piece fully welded body, this valve has no flange leak paths at all — the choice for buried gas pipelines, district heating and city gas networks where zero external leakage and 30-year maintenance-free life are required.

As part of the VTXFLOW ball valve range, every fully welded ball valve is produced under our certified quality system — from in-house casting and CNC precision machining to 100% pressure and seat-tightness testing before shipment, with EN 10204 3.1 material certificates supplied.

Zero-leakage welded body, no external flanges
Suitable for direct burial — extended stem options
Spring-energized seats compensate for wear
Design life up to 30 years maintenance-free

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Fully Welded Ball Valve — VTXFLOW Ball Valve Series

Technical Specifications

Size Range	1/2" – 40" (DN15 – DN1000)
Pressure Class	ASME 150 – 2500 LB / PN16 – PN160 / 10K – 20K
Body Materials	WCB, CF8, CF8M, CF3, CF3M, Duplex, A105, F304, F316
Design Standards	API 6D, API 608, ISO 17292, DIN 3357, JIS B2071
End Connections	RF, RTJ, FF, BW, SW, NPT

Typical Applications

Oil & gas pipelinesChemical processingPower stationsWater treatmentLNG terminals

How to Order — What to Specify

Size and bore: full bore or reduced bore
Pressure class: ASME 150–2500 / PN16–PN160 / JIS 10K–20K
Body and trim materials (WCB, CF8M, A105, F316, Duplex...)
Seat type: soft (PTFE / RPTFE / PEEK) or metal hard-faced
End connections: RF, RTJ, BW, SW or NPT
Operation: lever, gear, electric or pneumatic actuator
Design standard: API 6D, API 608, ISO 17292 or DIN
Options: fire-safe API 607, NACE MR0175, DBB, stem extension

Every fully welded ball valve is shell and seat tested to API 598 / ISO 5208 before shipment and delivered with EN 10204 3.1 material certificates. PMI, NDE and third-party inspection (SGS / BV) are available on request.

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Interested in the fully welded ball valve? Tell us your size, pressure class, material, standard and quantity — our engineers respond within 24 hours.