IBR WCB Check Valve 4 inch Class 150 ASTM A216 WCB

IBR WCB Check Valve 4" Class 150

ASTM A216 Grade WCB · DN100 (4") · ASME Class 150 · Flanged RF · BS 1868 + IBR documentation.

Swing check NRV for IBR steam and boiler feed circuits. Firm offer against size, class, ends and documentation scope — no public rate list on this page.

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Technical summary

Size4" / DN100
Pressure classASME Class 150
Body MOCASTM A216 Grade WCB
EndsFlanged RF ASME B16.5
Design referenceBS 1868 + IBR documentation
TestingAPI 598 (or project equivalent)

IBR documentation package available for registered boiler circuits. Use the IBR enquiry checklist before RFQ.

RFQ checklist

  1. Confirm 4" / DN100 and Class 150 (or alternate class)
  2. End connection (RF / RTJ / BW) and face-to-face preference
  3. Media, design pressure, design temperature
  4. Trim / seat (soft seat vs metal seat)
  5. Operation (lever, gear, actuator)
  6. Documents: 3.1 MTC, GA, IBR pack if applicable

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