Inline Sanitary Check Valve, Sanitary 3-piece Check Valve

Reference: SV-3P
Sizes available: 1 1/2" to 8", DN40 to DN200
End connection: butt-welded or 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.
INQUIRY

APPLICATION

AV-3U series inline sanitary check valve is a 3-piece check valve, it is designed for use in process piping installations to prevent reverse flow.

TECHNICAL DATA

Body MaterialAISI 304 or 316L (1.4301 / 1.4404)
Other Steel PartsAISI 304
Seat MaterialSilicone (default)
Seat OptionsEPDM or Viton (FPM)
Max. Working Pressure145psi (10bar)
Cracking Pressure4.35psi (0.3bar) for DN25
2.9psi (0.2bar) for DN32-40
1.45psi (0.1bar) for DN50-100
Working TemperatureEPDM: 14 ~ 248°F (-10 ~ 120°C)
Silicone: -58 ~ 356°F (-50 ~ +180°C)
Viton (FPM): -22 ~ 428°F (-30 ~ +220°C)
Sterilization Temperature150°C (302°F), Max. 20 min
Internal FinishRa 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default.
External FinishRa 16 ~ 32µin (0.4 ~ 0.8µm), Ra 32µin as default.
End Connectionsbutt-welded, sanitary tri-clamp, threaded or others upon request.

DESIGN FEATURES

Design Features

● 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

DIMENSIONAL DRAWINGS

Drawing 5 - Sanitary 3-piece Check Valve, Butt-welded or Threaded Connection

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