Wafer Flangeless Ball Valve

 

Wafer-Style Body: A compact valve body designed for installation between compatible mating pipe flanges, subject to the specified connection and bolting arrangement.
Quarter-Turn Operation: A 90-degree rotation of the ball switches the valve between open and closed positions.
Application-Based Selection: Valve size, pressure rating, body material, seat material, and operating method should match the process medium and working conditions.

 

 

 

Body, Ball and Sealing Structure

• Compact Installation: A short body design can reduce the space required for valve installation compared with some conventional flanged valve designs. Actual space savings depend on the selected model.
• Port Options: Full-port and reduced-port configurations may be specified according to flow requirements and available models.
• Seat Selection: PTFE, reinforced PTFE, PEEK, Devlon, or metal seats may be considered where available, subject to media compatibility, pressure, temperature, and sealing requirements.

Stem and Actuation Options

• Stem Sealing: Stem and packing configurations should be confirmed against the product design and specified operating conditions.
• Manual or Automated Operation: Lever, gear operator, pneumatic actuator, or electric actuator options can be specified according to the available valve configuration.
• Mounting Interface: Confirm the top mounting dimensions and actuator

 

 

Parameter	Specification / Selection Basis
Valve Type	Wafer Flangeless Ball Valve
Nominal Size	Confirm available DN / NPS range
Pressure Rating	Confirm model-specific PN or ASME Class rating
Body Material	Available grades to be confirmed, such as WCB, CF8, CF8M, or duplex stainless steel
Ball and Stem Material	Confirm available grades and material combinations
Seat Material	Confirm available soft-seat or metal-seat options
Port Configuration	Full Port / Reduced Port, where available
Connection Interface	Confirm mating flange standard, dimensions, and bolting arrangement
Face-to-Face Dimension	Manufacturer drawing or applicable dimensional standard
Operating Temperature	Confirm according to seat material, pressure rating, and service conditions
Design Standard	Confirm applicable valve design standard
Testing Standard	Confirm applicable shell and seat test requirements
Fire-Safe Design	Optional only where available and supported by applicable qualification
Operation	Lever / Gear / Pneumatic / Electric, subject to model availability
Documentation	Datasheet, dimensional drawings, material certificates, and test reports as agreed

 

 

Industrial Process Piping: On-off isolation for compatible process fluids when the pressure, temperature, and material requirements are satisfied.

Equipment Skids and OEM Systems: Compact installation for packaged equipment, utility modules, and space-constrained piping assemblies.

Utility Services: Potential use in compressed air, cooling water, and other compatible utility systems, subject to the valve's approved service limits.

 

 

Material and Seat Selection: Specify the process medium, operating pressure, temperature range, and required leakage performance.

Actuation: Provide the required operating method, actuator supply conditions, control signal, and accessory requirements.

Special Requirements: Confirm whether fire-safe qualification, anti-static construction, locking devices, or other project-specific features are required and available.

 

 

Material Traceability: Material certificates can be specified for applicable components, subject to the agreed supply scope and documentation requirements.

Dimensional Inspection: Critical dimensions should be checked against approved drawings and the applicable inspection plan.

Configuration Verification: Body, ball, stem, seat, and operating components should be verified against the approved bill of materials.

 

 

Shell Test: Conducted according to the confirmed inspection standard, test pressure, and acceptance criteria.

Seat Leakage Test: Test method and acceptance limits should be specified according to the applicable standard and required leakage class.

Inspection Records: Available documentation may include dimensional inspection records, material certificates, and pressure or leakage test reports, as agreed before ordering.

 

 

Information for Accurate Quotation

Valve Requirements: Quantity, nominal size, port configuration, pressure rating, and required face-to-face dimensions.

Operating Conditions: Process medium, normal and maximum pressure, minimum and maximum temperature, and operating frequency.

Connection and Materials: Mating flange standard, body and trim materials, seat material, and required leakage criteria.

Operation and Documentation: Manual or actuator operation, actuator specifications, inspection requirements, certificates, and third-party inspection needs.

 

 

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