Food Grade Check Valve, Union Type, Sanitary Design
Sizes available: 1" to 4", DN25 to DN100
End connection: union threaded / threaded
Body & Disc: AISI 304 or 316L, (EN1.4301/EN1.4404)
Seat: EPDM, VMQ (silicone), Viton (FPM)
Max. working pressure: 145psi (10bar)
Cracking pressure: 4.5psi (0.3 bar) for DN25/1", 3 psi (0.2 bar) for DN32/1.25" to DN40/1.5", 1.5 psi (0.1 bar) for DN50/2" to DN100/4".
Temperature range: 14°F ~ 248°F (-10°C ~ 120°C) as default, higher available upon request.
Surface treatment: Ra 32μin (0.8μm) as default, Ra 16μin (0.4μm) as best.
AV-3U series food grade check valve is a union type check valve. The union design makes easy installation and maintenance for use in sanitary process piping to prevent reverse flow.
|Body Material||AISI 304 or 316L (1.4301 / 1.4404)|
|Other Steel Parts||AISI 304|
|Seat Material||Silicone (default)|
|Seat Options||EPDM or Viton (FPM)|
|Max. Working Pressure||145psi (10bar)|
|Cracking Pressure||4.35psi (0.3bar) for DN25|
2.9psi (0.2bar) for DN32-40
1.45psi (0.1bar) for DN50-100
|Working Temperature||EPDM: 14 ~ 248°F (-10 ~ 120°C)|
|Silicone: -58 ~ 356°F (-50 ~ +180°C)|
|Viton (FPM): -22 ~ 428°F (-30 ~ +220°C)|
|Sterilization Temperature||150°C (302°F), Max. 20 min|
|Internal Finish||Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default.|
|External Finish||Ra 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default.|
|End Connections||butt-welded, sanitary tri-clamp, threaded or others upon request.|
● Vertical and horizontal design
● No dead space and crevices
● Fits to sanitary stainless steel tubing
● FDA-approved elastomer materials: EPDM, Silicone, Viton (FPM).
● Sanitary surface finish, available with Ra < 0.4µm or EP (SF1 and SF4)
● A wide selection of different end connections