EN 593 Metallic butterfly valves for general purposes

Is EN 593 still current?

Yes. EN 593:2026 is the latest edition MechAtlas found (MechAtlas review: 27 October 2026). Check the publisher for amendments before you specify it.

What it covers

Butterfly valves with any end connection for isolation or control.

Parts that use EN 593

• Butterfly valve (Europe (EN), main)
  Quarter-turn valve with a rotating disc, used for isolation or flow control in water, air and process lines.
  Grades: PN and Class
  Metallic butterfly valves, general purposes (new 2026 edition).

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for EN 593 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 1171 Current
  Cast iron gate valves

All Valves standards →