Ball Check Valve  Technical Specification Threaded ends DN25 to DN80 Flanged ends DN40 to DN400 Threaded type BSP or BSPT Flanged type EN 1092-2 PN10 /16 and Table D ;Table E Maximum working pressure 16 bars Operating temperatures 10°C ~ 80°C  Minimum backpressure for tightness 0.3 bar to 0.5 bar Applications Technical performance Jiangmen Kunxin new Material Technology Co.,Ltd , https://www.plasticskunxinjm.com
Face to Face dimensions for flanged type according to EN-558-1 serie 48 (DIN3202 F6)
Pumping stations for clean, sewage water and loaded or viscous fluids.
Body: 1.5x normal pressure
Flange and Thread ends ball type check valve
Material Specification
Â
NO.
Name
Piece
Material
Remark
1
valve body
1
HT250 QT400
2
valve ball
1
1).Size: DN40~DN400 or Inch 1.5"~16" 2).Working pressure: 1.6Mpa
 Metal+EPDM
3
valve lid
1
HT250 QT400
4
Bolt
2
Stainless steel
5
Rubber ball
1
NBR
 EPDM
Cast Iron Water Ball Check Valve Dn40-400
Model NO.: DSCV-501
Flow Direction: Unidirection
Standard: DIN
Application: Industrial Usage, Water Industrial Usage
Valve Name: Ball Swing Check Valve
Size Range: Flanged End Dn40~Dn400 Screwed End Dn25~Dn80
Working Temperature: -10 Celsius~+80 Celsius
Suitable Medium: Water,Sewage Heavy Thick and Viscous Liquid
Certificated: ISO9001,CE
Trademark: DS
Specification: Quality Grade: CE and ISO9001
Origin: Yantai Shandong China
HS Code: 8481804090
Test
Seat: 1.1x normal pressure