Stainless Steel Sanitary SMS Complete Union

The stainless steel sanitary SMS complete union is designed to provide secure, hygienic, and detachable connections in sanitary piping systems. It enables two pipes or fittings to be joined while maintaining reliable sealing and smooth internal surfaces, ensuring safe and efficient fluid transfer in hygienic processing environments.

Manufactured from high-quality stainless steel such as SS304 or SS316L, this sanitary union offers excellent corrosion resistance, strong durability, and long service life. The precision-engineered components, including the male part, liner, nut, and sealing gasket, work together to create a tight and leak-proof connection that meets strict sanitary requirements.

The union design allows quick disassembly and reassembly, providing convenient access for cleaning, inspection, and system maintenance. This makes it especially suitable for processing systems that require frequent sanitation and flexible pipeline configuration, widely used in industries where hygiene and reliability are critical.

Product Name
Stainless Steel Sanitary SMS Complete Union

Standard
SMS
DIN11851
DIN11850
3A
ISO / IDF
RJT

Material (Contact Parts)
SS304 (1.4301)
SS316L (1.4404)
Material inspection report provided

Material (Non-contact Parts)
SS304 (1.4301)

Shape Options
Short Union
Long Union
Aseptic Union

Union Parts
Male: Long Male, Short Male
Liner: Normal Liner, Stepped Liner, Expanded Liner
Nut: Round Nut, Hex Nut
Seal: Step Seal, Non-step Seal

Size
1/2" – 12"
DN10 – DN300

Seal Material
Silicone
EPDM
FKM
Buna
PTFE
(All seal materials comply with FDA21CFR177.2600)

Wall Thickness
1.2 mm
1.5 mm
2 mm
2.5 mm
3 mm

Design Pressure
≤ 10 bar (145 psi)

Working Pressure
5 – 8 bar (72.5 – 116 psi)

External Surface Treatment
Ra 0.8 – 1.6 µm (Ra32 – 64 µin)

Internal Surface Treatment
Ra 0.4 – 0.8 µm (Ra16 – 32 µin)

Support
OEM & ODM available

Certificate
ISO 9001
FDA
SGS
CE

Applications

Food processing systems
Beer and beverage production
Chemical processing pipelines
Biological and pharmaceutical processing
Dairy processing equipment
Cosmetic and sanitary fluid transfer systems