3A ASME SS316L Sanitary Spring Check Valve for Diary | Xiamen Sanitary Valve Group Co.,Ltd

Basic Info.

Gasket	PTFE/NBR/FPM
Connection Type	Weld, Clamp, Thread, Flange
Polish	Internal 0.5 Micrometer
Transport Package	Carton/Plywood Case
Specification	CE, 3A, FDA, ISO
Trademark	DONJOY
Origin	Wenzhou, Zhejiang, China
HS Code	8481804090
Production Capacity	100, 000PCS/Year

Product Description

CHECK VALVE
INTRODUCTDonjoy specializes in manufacturing and exporting valve,pump,fitting for over 20 years with good quality and pretty competitive price. Products are with 3A,CE,FDA cetification and production management is according to ISO9001-2008. With advanced technology,excellent quality and perfect after-sales service system, has been assessed as the national high-tech enterpries,the provincial famous trademark, the trocincial science and technology enterprises,innovative enterprises,patent model enterprises,R&D center,AAA credit enterprises. APPLICATIONCheck valve is for prevents the fluid from flowing back and ensures to flow in only one direction.It can be used to prevent the flow less from returning avoid pipe hammering.It is used in the food processing, beverage,wine,oil,cosmetics,pharmaceutical and chemical industries.OPERATION PRINCIPLESThe valve open when the pressure of the fluid exceeds the pressure to spring, when the two pressure are equalised,the valve close.A stronger counter pressure also makes the valve close. SPECIFICATION

Product name	Sanitary Check Valve with Middle Clamp
Body Material	AISI 304 or 316L (1.4301 / 1.4404)
Seat Material	Silicone (default)
Seat Options	EPDM or (FPM)
Max. Working Pressure	145psi (10bar)
Cracking Pressure	4.35psi (0.3bar) for DN252.9psi (0.2bar) for DN32-401.45psi (0.1bar) for DN50-100
Working Temperature	EPDM: 14 ~ 248°F (-10 ~ 120°C)Silicone: -58 ~ 356°F (-50 ~ +180°C)(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.

3A Hygienic Butt-Weld Ends Reflux Valve Prevent Backflow

Design Features

1.Vertical and horizontal design2.No dead space and crevices3.Fits to sanitary stainless steel tubing4.FDA-approved elastomer materials: EPDM, Silicone, (FPM).5.Sanitary surface finish, available with Ra < 0.4µm or EP (SF1 and SF4)6.A wide selection of different end connections

Connection: Clamped, welded and threaded,flanged etc. Packaging Details: Bubble pack for each valve.Outside packing is by carton or plywood case.

3A ASME SS316L Sanitary Spring Check Valve for Diary

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