Flanged Silent Check Valves

1.Standard: Conforms to API/DIN 2.Face to Face: ANSI B16.1 3.Flange suitalbe to EN1092-2,ANSI 125/150 4.Material: Cast Iron/Ductile Iron 5.Normal Pressure: PN10/16,ANSI 125/150 6.Size: DN50-DN300 DESCRIPTION Flange according to EN1092-2 PN10/16 Excellent tightness Low head loss Extremely reliable Excellent hydraulic result Simplicity in mounting and use Working pressure: 1.0Mpa/1.6Mpa Pressure test according to standards: API598 DIN3230 EN12266-1 working temperature: NBR: 0℃~+80℃ EPDM: -10℃~+120℃ Medium: Fresh Water, Sea water, all kinds of oil, acid, alkaline liquid etc. MATERIAL LIST
NO. Part Material
1 Guide GGG40
2 Body GG25
3 Axle sleeve TEFLON
4 Spring Stainless steel
5 Seal ring NBR/EPDM/VITON
6 Disc GGG40

DIMENSION

DN(mm) 50 65 80 100 125 150 200 250 300
L (mm) 100 120 140 170 200 230 301 370 410
ΦA(mm) 50 65 80 101 127 145 194 245 300
ΦB (mm) 165 185 200 220 250 285 340 405 460
ΦC(mm) PN10 125 145 160 180 210 240 295 350 400
PN16 125 145 160 180 210 240 295 355 410
n-Φd(mm) PN10 4-19 4-19 8-19 8-19 8-19 8-23 8-23 12-23 12-23
PN16 4-19 4-19 8-19 8-19 8-19 8-23 12-23 12-28 12-28