Food Grade Check Valve, Union Type, Sanitary Design

Reference: SV-3U
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.

INQUIRY

APPLICATION

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.

TECHNICAL DATA

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.

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