Ball Valves Β· Wafer Ball Valves
Wafer Type Ball Valves
Wafer ball valves are the wafer-body, compact execution of the ball valve principle: WCB, CF8 or CF8M body and ball with a PTFE seal, DN15 to DN150, at PN16 to PN40 or Class 150 to Class 300, clamped between flanges rather than carried by them. Design and manufacture to ASME B16.34 with wafer ends per ASME B16.5, JISB2212 or DIN2543, and API 598 testing; manual, electric actuated or pneumatic actuated operation.
Part of the Wafer Ball Valves family
Last updated: 2026-11
Specifications
| size range | DN15 to DN150 |
|---|---|
| pressure class | PN16 to PN40 |
| body materials | WCB, CF8, CF8M |
| ball materials | WCB, CF8, CF8M |
| operation | Manual, Electric Actuated, Pneumatic Actuated |
| design standards | ASME B16.34 |
| testing standards | API598 |
| seal materials | PTFE |
| end connection | ASME B16.5, JISB2212, DIN2543 |
Application & selection guidance
Select this execution where envelope weight and space matter - skid packages, machinery, shipboard and compact process modules - and the line already carries mating flanges to clamp the wafer body between. Pick the body family (WCB for general service, CF8/CF8M for corrosive media) against the medium, the class against the line rating, and the end standard (ASME B16.5, JISB2212 or DIN2543) against the mating flange specification.
Frequently asked questions
Why choose a wafer body over a flanged ball valve?
A wafer body is clamped between the line flanges instead of carrying them, so the valve body is much shorter and lighter - the benchmark execution spans DN15 to DN150 in that compact envelope. The trade is that the valve depends on the mating flanges and stud bolts; it cannot be used where a through-bolted body is needed for end-of-line isolation.
Which pressure classes does the wafer execution cover?
The benchmark page declares PN16 to PN40 and Class 150 to Class 300 over DN15 to DN150, with design and manufacture to ASME B16.34 and API 598 test and inspection. Match the class against the line rating and the wafer end standard (ASME B16.5, JISB2212 or DIN2543) against the mating flanges.
How is the valve operated and what materials are offered?
Manual, electric actuated or pneumatic actuated operation per the benchmark page. Body and ball come in WCB, CF8 or CF8M with a PTFE seal - WCB for general service, CF8/CF8M stainless for corrosive media - all within the same compact wafer construction.
Ordering & documentation
Documents
Ask for the documentation set you need with the inquiry β typical items for this execution (material certificates, test reports to the listed inspection standard, dimensional drawings) are confirmed and supplied with the quotation.
Quotation
A quotation-ready inquiry states: nominal size and pressure rating, body and seat material preference, end connection, operation, and the service medium with temperature. Typical values on this page are benchmark reference ranges; the binding values are confirmed at quotation.
Sample & supply
Supply terms, order quantities and lead time are agreed per order β state the destination country and required schedule with the inquiry.
Storage & shipping
Store valves with seats and seals protected from UV, ozone and deformation, keep end-face protectors on until installation, and for elastomer- or PTFE-seated executions avoid prolonged outdoor storage β seat compounds age fastest in direct sunlight and freezing conditions.
Knowledge: selection guides
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