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Weld End

Stainless Steel Weld-End Valves – Socket Weld & Butt Weld

Integraflow supplies a comprehensive range of stainless steel weld-end valves, including socket weld and butt weldtypes, available in 304 (1.4301) and 316L (1.4404) grades, with 3-piece ball valve designs, as well as options across gate, globe, and check valve types, ideal for high-integrity, permanent installations in hygienic, process, and industrial piping systems.

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Weld End

DN8 (1/4" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/4" NB Buttweld (BW)
Suits an outside diameter (OD) of: 13.72mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
Contact us for pricing 0.0 GBP
DN8 (1/4" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/4" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 13.72mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 44.59 44.59 GBP
DN10 (3/8" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/8" NB Buttweld (BW)
Suits an outside diameter (OD) of: 17.15mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 49.42 49.42 GBP
DN10 (3/8" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/8" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 17.15mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 34.65 34.65 GBP
DN15 (1/2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/8" NB Buttweld (BW)
Suits an outside diameter (OD) of: 17.15mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 54.32 54.32 GBP
DN15 (1/2" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1/2" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 21.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 54.04 54.04 GBP
DN20 (3/4" NB) 3PC SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 26.9mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 73.92 73.92 GBP
DN20 (3/4" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3/4" NB Buttweld (BW)
Suits an outside diameter (OD) of: 26.9mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 71.54 71.54 GBP
DN25 (1" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1" NB Buttweld (BW)
Suits an outside diameter (OD) of: 33.4mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 111.37 111.37 GBP
DN25 (1" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 33.4mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 156.10 156.1 GBP
DN32 (1.1/4" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/4" NB Buttweld (BW)
Suits an outside diameter (OD) of: 42.4mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 162.12 162.12 GBP
DN32 (1.1/4" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/4" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 42.4mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 166.53 166.53 GBP
DN40 (1.1/2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NB Buttweld (BW)
Suits an outside diameter (OD) of: 48.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 205.87 205.87 GBP
DN40 (1.1/2" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 1.1/2" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 48.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 205.87 205.87 GBP
DN50 (2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 2" NB Buttweld (BW)
Suits an outside diameter (OD) of: 60.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 344.26 344.26 GBP
DN50 (2" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 2" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 60.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 344.26 344.26 GBP
DN65 (2.1/2" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 2.1/2" NB Buttweld (BW)
Suits an outside diameter (OD) of: 73mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 685.30 685.3 GBP
DN65 (2.1/2" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 2.1/2" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 73mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 660.80 660.8 GBP
DN80 (3" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3" NB Buttweld (BW)
Suits an outside diameter (OD) of: 88.9mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 932.82 932.82 GBP
DN80 (3" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 3" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 88.9mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 958.51 958.51 GBP
DN100 (4" NB) BUTT WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 4" NB Buttweld (BW)
Suits an outside diameter (OD) of: 114.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Butt Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 2,040.71 2040.71 GBP
DN100 (4" NB) SOCKET WELD 3PC FB BALL VALVE LEVER OP. SS 316
Threaded: 4" NB Socket Weld (SW)
Suits an outside diameter (OD) of: 114.3mm
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Socket Weld
Bore: Full Bore
Internals: PTFE Seals

Applications:
Water, Oil & Gas* - Heating and Plumbing, HVAC, Gasses* and Compressed Air, Agricultural Irrigation, Fuel and Oils, Cooling, Marine, Fire Protection Sprinkler Systems, Food & Beverage.

Alternative terminology:
Isolation Valve, Lever Valve, Handle Valve, Shut off Valve, Quarter 1/4 Turn
£ 1,552.11 1552.11 GBP