High Quality Cast Iron Spring Butterfly Check Valve 6 Inch

• Media: Water
• Temperature: Ordinary Temperature
• Material: Cast Iron
• Connection Form: Wafer
• Structure: Butterfly
• Function: Nrvr Silence, Nrvz Silence
• Model NO.: DDCV
• Sealing Form: EPDM/NBR
• Flow Direction: Unidirection
• Standard: GB
• Application: Water Industrial Usage
• Disc/Spring: CF8/SS304
• Size: Dn40-800
• Coating: Epoxy Coated to 300 Microns
• Pressure Rate: Pn10/16
• Body: Ggg40/50
• Stem: Ss420/431
• Seat: NBR/EPDM
• Transport Package: Bubble Bags & Wooden Case
• Specification: DN50~DN600
• Trademark: Walter
• Origin: Suzhou, Jiangsu
• HS Code: 8481300000
• Production Capacity: 6800 Sets Per Month

Product Description

1- Body/Bonnet: GGG40/50
 
2- Stem: SS420/431
 
3- Bolts/Nuts/Spring: SS304
 
4- DISC: CF8
 
5- Epoxy Resin coating internal & external, thickness above 250 micron
 
7- Wafer or Flanged or Lugged
 
8- Work pressure: PN10/16; Size range: 1-1/2" to 32"