EN 1171 Cast iron gate valves

Is EN 1171 still current?

Yes. EN 1171:2015 is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.

What it covers

Cast iron gate valves DN 40 to 1000, PN 6 to 25.

Parts that use EN 1171

• Gate valve (Europe (EN), main)
  On-off valve with a wedge or disc that slides across the flow; used fully open or fully closed.
  Grades: PN 6 to PN 25
  Cast iron gate valves, DN 40 to DN 1000.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for EN 1171 or the EN store.

Other valves standards

• API 598 / ISO 5208 / EN 12266-1 Changing
  Valve inspection and pressure testing
• API 526 / 527 / 520 / ISO 4126 Current
  Relief valve dimensions, seat tightness, sizing
• API 594 Current
  Check valves: flanged, lug, wafer and butt-welding
• API 598 Current
  Valve inspection & testing
• API 600 Current
  Steel gate valves
• API 602 / 608 / 609 Current
  Compact gate, ball, butterfly valves
• API 6D Current
  Specification for valves (absorbed RP 6DR)
• ASME B16.10 / EN 558 Current
  Face-to-face dimensions
• ASME B16.34 Current
  Valves — flanged, threaded & welding end
• AWWA C504 Current
  Rubber-seated butterfly valves (water)
• BS 1868 Current
  Steel check valves, flanged and butt-welding, petroleum industry
• EN 16767 Current
  Metallic check valves

All Valves standards →