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Integraflow Store 

Plain Weld End

Integraflow supplies a precision-engineered range of Weld End Hygienic Ball Valves, ideal for fully welded hygienic process systems where cleanability, strength, and sterile sealing are critical. Designed for orbital or TIG weldinginto stainless steel tube, these valves offer a permanent, crevice-free installation for food, beverage, dairy, cosmetic, and pharmaceutical applications.

Made from 316L stainless steel with Ra ≤ 0.8 μm internal surface finishes, these valves ensure hygienic performance in CIP/SIP environments and high-purity process lines.

Key Features:

  • Manufactured from 316L stainless steel

  • Full bore for unrestricted flow

  • Designed with plain weld ends for seamless connection to hygienic tube

  • Weld ends to suit ISO, DIN, ASME BPE, and BS 4825 tube systems

  • Seals in PTFE, EPDM, or Viton – FDA and USP Class VI compliant

  • Sizes from DN10 (1/2”) to DN100 (4”)

  • Available in 2-piece or 3-piece designs

Applications & Benefits:

  • Ideal for permanent installations in hygienic process systems

  • Suitable for CIP/SIP sterilisation and high-temperature cycles

  • No crevices or dead legs – prevents bacterial growth

  • Can be fitted manually or actuated (pneumatic/electric) for automated systems

  • Offered with traceable material certificates and optional electropolish

Common Uses:

  • Cleanroom and biotech pipelines

  • Dairy and food production requiring steam sterilisation

  • Beverage and brewery process control

  • Cosmetic and personal care batching systems

  • Chemical and high-purity liquid handling

Integraflow weld-end hygienic ball valves are in-stockfully traceable, and available for fast UK-wide dispatch. Our team can assist with valve sizingweld prep options, and integration into your hygienic process layout.

0.50" (1/2") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 12.7mm (1/2")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 139.65 139.65 GBP
0.75" (3/4") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 19.05mm (3/4")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 170.24 170.24 GBP
1.00" (1") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 25.4mm (1")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 219.45 219.45 GBP
1.25" (1.1/4") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 31.75mm (1.1/4")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 392.35 392.35 GBP
1.50" (1.1/2") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 38.1mm (1.1/2")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 392.35 392.35 GBP
2.00" (2") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 50.8mm (2")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 545.30 545.3 GBP
2.50" (2.1/2") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 63.5mm (2.1/2")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 1,409.80 1409.8 GBP
3.00" (3") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 76.2mm (3")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 1,646.54 1646.54 GBP
4.00" (4") OD 3PC PLAIN WELD END ECO BALL VALVE LEVER OP SS 316
Suits an outside diameter (OD) of: 101.6mm (4")
Construction: 3 Piece
Body Material: 316 Stainless
Connection: Plain Weld End
Bore: Full Bore
Internals: PTFE Seals

Applications:
Hygienic, Dairy & Sanitary

Alternative terminology:
Isolation Valve, Lever Valve, Shut off Valve, Quarter 1/4 Turn
£ 2,926.00 2926.0 GBP