knife gate valve with iso9001, CE and WRAS certificate high quality and reasonable price

knife gate valve

1.Face to Face: EN 558-1, MSS

2.Flanged ends: DIN 2501, BS 4504, ANSI B16.10

3.Test & Inspection: DIN 3230

4.Operator: handwheel, nut, extension stem, gear operator

5.DN:40-1000mm

body: ductile iron

knife: SS304, SS316

U seat: EPDM/NBR

stem: 2Cr13, SS410, SS304

stem nut: brass