ISO 5211 Part-turn actuator attachment (F-codes)

Is ISO 5211 still current?

Yes. ISO 5211:2026 is the latest edition MechAtlas found (MechAtlas review: 23 October 2026). Check the publisher for amendments before you specify it.

What it covers

Part-turn actuator attachment (F-codes)

Equivalent and related standards

“Similar” never means interchangeable without an engineering check.

Parts that use ISO 5211

• Ball valve (ISO / EN, related)
  Quarter-turn valve with a drilled ball that opens or closes flow; used for quick tight shut-off.
  Actuator mounting flange.
• Butterfly valve (ISO / EN, related)
  Quarter-turn valve with a rotating disc, used for isolation or flow control in water, air and process lines.
  Actuator mounting flange.

Official source

MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ISO 5211 or the ISO 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

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