Quick Detail
Design standard: API594
Construction: Wafer Check Valve
Body material: duplex Stainless steel
Disc: duplex stainless steel
Seat: F51
Nominal diameter: 6″ DN150
Pressure: 600LBS
End connection: Wafer
Face to face: DIN3202 ANSI B16.10
Working temperature: -29℃~+425℃.
Test and inspection: API 598.

Product Range
Optional Construction: Single Disc/Double Disc
Optional Ends: Lug, flanged
Optional seal: Metal seat/ Resilient Seat
Available Body Material: Carbon steel/stainless steel/Alloy Steel /SDSS
Available Seat: SS316/SS316L/F51/F53/STL/PTFE/EPDM/NBR/VITON
Available Disc: WCB/LCB/LCC/CF8M/CF8/CF3M/4A/5A
Available spring: SS304/SS316/17-7H/Inconel-750X
Pressure Range: 150LBS-1500LBS , PN10-PN250
Size Range: 2″-48″ DN50-DN1200mm

Performance Feature
1. Small size, light weight, compact structure and convenient maintenance
2. The valve plate adopts dual type, which can close quickly by itself under the elastic force of the spring
3. Due to the quick-closing effect, it can prevent the medium from flowing back
4. The valve body has a small length and good rigidity
5. Safe and convenient, can be used for horizontal and vertical installation.

Application
With different materials, butterfly check valves can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing media, urea and other media.

Optional Construction: Single Disc/Double Disc
Optional Ends: Lug, flanged?
Optional seal: Metal seat/ Resilient Seat
Available Body Material: Carbon steel/stainless steel/Alloy Steel /SDSS
Available Seat: SS316/SS316L/F51/F53/STL/PTFE/EPDM/NBR/VITON
Available Disc: WCB/LCB/LCC/CF8M/CF8/CF3M/4A/5A
Available spring: SS304/SS316/17-7H/Inconel-750X?
Pressure Range: 150LBS-1500LBS , PN10-PN250
Size Range: 2″-48″ DN50-DN1200mm

With different materials, butterfly check valves can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing media, urea and other media.