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Hygienic Unions
- RJT Union
  Tri-Clamp Union
  DIN11851 Union - Imperial
  DIN11851 Union - Metric
  SMS Union
  IDF Union
  Ancillary Products
  - Stainless Steel Chain
Hygienic Fittings
- Bends
  Tees
  Special Tees
  Reducing Cones
  - Eccentric Reducing Cone
  - Concentric Reducing Cone
  Hosetail
  Domed End Cap
  - OD Domed End Cap
  - Metric Domed End Cap
  Sprayball
  - 360 Degree Static Sprayball
  BPE - Pharmaceutical Fittings
  Ancillary Products
  - Stainless Steel Chain
Hygienic Strainers
- Pump Protection Y Type Strainer
  90° Product Strainer
  Straight Through Strainer
  Alternative Strainers
  - Weld End Product Y Type Strainer Body Kit
  - Weld End 90° Pump Protection Body Kit
  BSF Mini Strainer
  Element Spares
Hygienic Valves
- BSF Butterfly Valve
  Butterfly Valve Actuation & Control
  Butterfly Valve Spares
  - BSF Butterfly Valve Seals
  - BSF Butterfly Valve Handles
  Tassalini Butterfly Valves
  Non Return Check Valve
  Sanitary 2 Way Ball Valve
  - Weld End Sanitary Ball Valve
  - Tri-Clamp Ferrule Sanitary Ball Valve
  Sanitary 3 Way Ball Valve
  - Weld End L Port 3 Way Valve
  - Weld End T Port 3 Way Valve
  Hygienic Sight Glass
  Diaphragm Valve
  - Weld End Diaphragm Valve
  - Tri-Clamp Diaphragm Valve
  Pressure Relief Valve
  - Weld End Pressure Relief Valve
  - Weld End Pressure Relief Valve (CSE Type)
  Sample Valve
  Air Release / Vent Valve
  - Tri-Clamp Air Release|Vent Valve
Hygienic Tube & Supports
- Hygienic Tube - EN10357
  Seamless Tube - A269
  - Seamless Tube - A269
  Anti Vibration Clips
  Hinged Pipe Clip
  - Hinged Pipe Clip - 1/2" BSP Boss
  Tube Accessories
Flanges
- PN16 Dairy Flange - EN1092-1
  - PN16 F/F Dairy Flange E Thick 316/L - EN1092-1
  - PN16 F/F Dairy Flange E Thick 304 - EN1092-1
  PN16 Flange
  BS10 Flanges
  ASA150 Flanges - ASNI B16.5
  - ASA150 NB RF Slip-On Flange - ASME B16.5
  - ASA150 NB RF Blank Flange - ASME B16.5
  PN16 Backing Flanges
  Flange Gaskets
  Fixings
Sections & Bars
- Box Section
  - Square Box Section (SHS)
  - Rectangular Section (RHS)
  Angle
  - Equal Angle
  Flat Bar
  - Flat Bar
  Round Solid Bar
  - Round Bar
  Box Section Accessories
  - Laser Cut Square End Plates
  - Laser Cut Base Plates
Nominal Bore Pipe & Fittings
- Nominal Bore Pipe - ASTM A312
  - SCH10 Nominal Bore Pipe
  - SCH40 Nominal Bore Pipe
  NB Long Radius Elbows
  NB Equal Tee
  - SCH10 Equal Tee
  - SCH40 Equal Tee
  NB Concentric Cone
  - SCH40 NB Concentric Cone
  - SCH10 NB Concentric Cone
  NB Eccentric Cone
  - SCH10 NB Eccentric Cone
  - SCH40 NB Eccentric Cone
  NB End Caps
  - SCH10 NB End Cap - 316/L
  - SCH40 NB End Cap - 316/L
Metric Tube & Fittings
- Metric Tube
  - Metric Tube - 316|L
  - Metric Tube - 304
  Metric Fittings
BSP Valves & Fittings
- BSP Valves
  BSP 150LB Fittings
  BSP Adaptors
  BSP Strainer
  - BSPP Y Strainer
Adaptors
- BSP Adaptors
  Tri-Clamp Ferrule Ended Cones
  - Tri-Clamp Concentric Cones
  - Tri-Clamp Eccentric Cones
  RJT x Tri-Clamp Adaptors
  - RJT Male x Tri-Clamp Ferrule
  - RJT Female x Tri-Clamp Ferrule
  RJT Adaptors
  RJT x DIN Adaptors
  DIN x DIN Adaptors
Clearance
- Hygienic Fittings
  Nominal Bore Pipe & Fittings
  Flanges
  Hygienic Tube
  BPE/Pharmaceutical Fittings

SMS Union

The SMS union is a close counterpart to the DIN standard, widely used in hygienic process systems. It features a round slotted nut made from 304 stainless steel, with both the weld liner and weld male components manufactured in 316 stainless steel for enhanced durability and corrosion resistance.

Key Components

Nut: 304 stainless steel, round slotted design
Weld Liner & Weld Male: 316 stainless steel
Joint Ring: “L” style, standard in EPDM, with metal detectable EPDM also available

Specifications & Accessories

Size range: 1″ OD to 4″ OD available from stock
Blank liners: 316 stainless steel, stocked
C-Spanners: Suitable for both SMS and DIN unions (1″–4″)
Large 4″ union: Available on request

SMS Complete Union - EPDM Joint Ring

SMS Complete Union - EPDM Joint Ring

SMS Round Slotted Nut

SMS Round Slotted Nut

SMS Weld Male

SMS Weld Liner

SMS EPDM Joint Ring

SMS EPDM Joint Ring

SMS EPDM Metal Detectable Joint Ring

SMS EPDM Metal Detectable Joint Ring

SMS Spanners

SMS Blank Liner

SMS Blank Liner

SMS Hose Liner

SMS Male Ended Hosetail

SMS Male Ended Hosetail

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