Ductile Iron Check Valve
Ductile iron DN400 swing check valves with Spring and lever weight
product detail
Quick Detail：
cast iron /ductile iron DN400 check valves with spring lever weight
Design standard: DIN 3202 F6
Body material: Cast iron GG25
Nominal diameter: 6” DN150
Pressure: PN16
End connection: RF. Flange EN1092-1
Face to face: DIN3202 F6 /EN558-1 Series 48
Working temperature: -30℃~+350℃.
Test and inspection: API 598. BC
bonnet cover Check Valve
Connection: Flange ends conform to EN1092-1 PN16
Epoxy powder coated inside and outside 250Microns FBE surface 250Mincrons. ?
Product Range
Available Body Material: Cast Iron GG25, Ductile iron GGG40, GGG50
Available Disc Material: Ductile iron, Bronze
Optional Seat Ring: Brass, Bronze, SS304, SS316, EPDM
Optional Design: DIN /BS/ ANSI with difference Face to face length
Optional Ends: BS4504/EN1092-1 PN16/ ANSI B16.5 RF
Size Range: DN50-DN600 (2”-24”)
Pressure Range: PN10, PN16, PN20(150LBS)
Optional surface color: RAL5002, RAL5015. RAL5005, red, black. Or customized ?
Performance?? ??????????????????
1.Iron Body with welded bronze seat ring.
2.Clear full opening waterway when disc is in fully open position.
3.Operating parts accessible through top opening.
4.Brass bearings support stainless steel hinge pin and pressure sealed with O-rings.
5.Heavy ductile iron clapper arm.
6.Weights or spring lever may be used on either side for these types of check valves.
7.Heavy bronze disc stud is used on all types.
8.Iron discs for metal seated valves have bronze disc rings threaded into place.
9.Epoxy coated interior and exterior for corrosion resistance. ? ?
Application: Pipeline for water, sewage, construction, power station, pump system. ?