{"id":13593,"date":"2026-07-27T21:52:24","date_gmt":"2026-07-27T13:52:24","guid":{"rendered":"https:\/\/raymonvalve.com\/product\/wafer-butterfly-valve\/"},"modified":"2026-07-29T17:12:54","modified_gmt":"2026-07-29T09:12:54","slug":"wafer-butterfly-valve","status":"publish","type":"product","link":"https:\/\/raymonvalve.com\/de\/product\/wafer-butterfly-valve\/","title":{"rendered":"Zwischenflansch-Absperrklappe"},"content":{"rendered":"
\n
\n
\n
Engineering scope<\/div>\n

Wafer Butterfly Valve selection starts with the service duty<\/h2>\n

A Wafer Butterfly Valve is evaluated for compact quarter-turn isolation or regulation. A disc rotates within the body and piping bore. Offset geometry, seat construction, shaft support, flange interface and actuator torque determine sealing, wear and controllability.<\/p>\n

Before quoting this configuration, close compact installation between flanges with disc-clearance and gasket controls and record all process, mechanical, operating and documentation assumptions.<\/p>\n

\n
\n

Wafer<\/h3>\n

Compact installation between flanges with disc-clearance and gasket controls. Confirm flange type, inside diameter, gasket, bolt arrangement, pipe schedule and removal access.<\/p>\n<\/div>\n

\n

Application envelope<\/h3>\n

Confirm every pressure, temperature, differential-pressure and cycling case for this Wafer Butterfly Valve.<\/p>\n<\/div>\n

\n

Installed interface<\/h3>\n

Verify ends, bore, flow direction, orientation, operator envelope, loads and maintenance access.<\/p>\n<\/div>\n

\n

Order-specific boundary<\/h3>\n

Website content is not tag-level certification. Suitability and supplied scope are established only by the accepted quotation, datasheet and drawing.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n

\n
\n
Specification workflow<\/div>\n

Convert process conditions into an auditable valve specification<\/h2>\n

Record the question, accepted answer and proof so the Wafer Butterfly Valve proposal can be audited across disciplines.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Review area<\/th>\nEngineering question<\/th>\nRequired record<\/th>\n<\/tr>\n<\/thead>\n
Disc and seat geometry<\/td>\nConcentric, double-offset or triple-offset construction must match shutoff and temperature duty.<\/td>\nMake this requirement auditable through the order datasheet, design review and inspection plan.<\/td>\n<\/tr>\n
Piping interface<\/td>\nWafer, lug, flanged or welded bodies require compatible flange dimensions, gaskets and disc clearance.<\/td>\nState the measurable requirement and connect it to a drawing, procedure or test result.<\/td>\n<\/tr>\n
Torque basis<\/td>\nSeating, bearing, packing and hydrodynamic torque must be checked at every operating case.<\/td>\nResolve the open point before release and retain tag-specific evidence in the final dossier.<\/td>\n<\/tr>\n
Flow duty<\/td>\nOn-off, throttling, minimum opening and velocity limits should be stated.<\/td>\nMake this requirement auditable through the order datasheet, design review and inspection plan.<\/td>\n<\/tr>\n
Wafer<\/td>\nConfirm flange type, inside diameter, gasket, bolt arrangement, pipe schedule and removal access.<\/td>\nResolve the open point before release and retain tag-specific evidence in the final dossier.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

A standard title alone is not acceptance. Map its scope, edition and required evidence to the valve tag.<\/p>\n<\/div>\n<\/section>\n

\n
\n
Application boundaries<\/div>\n

Application limits to examine before technical approval<\/h2>\n

Check disc clearance, installation orientation and transient loads; a nominal flange fit does not prove that the disc can open safely. The final decision must cover system interactions, end-of-life loads, degradation and how failure will be detected or contained.<\/p>\n

\n
Complete medium composition, pressure, temperature and flow cases for the Wafer Butterfly Valve<\/div>\n
Isolation\/control\/non-return function, frequency, directionality and measurable shutoff acceptance<\/div>\n
Pressure class, size, end connection, face-to-face and piping-interface requirements<\/div>\n
Body, trim, seat, packing, bolting, lining or coating materials as applicable<\/div>\n
Operator and actuator load basis, safety factor, override, signals, switches, interlocks and package test<\/div>\n
Product, rating, dimensions, ends and test requirements plus special qualification and tag-linked evidence<\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n
\n
Evidence and quality<\/div>\n

Request evidence that matches the supplied design<\/h2>\n

A certificate or report is useful only when its scope traces to the actual tag, materials and configuration. Use the valve standards guide<\/a> to separate product, rating, dimensional, end-connection and test scope.<\/p>\n

\n
\n

Design basis<\/h3>\n

Tag requirements, design review, materials list and approved exception register.<\/p>\n<\/div>\n

\n

Material identity<\/h3>\n

Tag-to-component material mapping with certificates, processing records and identity checks.<\/p>\n<\/div>\n

\n

Inspection and tests<\/h3>\n

Approved ITP, procedures, calibrated instruments, results, witness records and NCR closeout.<\/p>\n<\/div>\n<\/div>\n

A wafer body may not provide independent downstream isolation; piping procedures must reflect the design.<\/p>\n

No statement here is an unqualified certification claim; standards, editions and evidence remain subject to project review.<\/p>\n<\/div>\n<\/section>\n

\n
\n
RFQ checklist<\/div>\n

Information needed for a tag-level technical offer<\/h2>\n

Send tag identity, quantity, fluid, all design and operating cases, line interface, function, flow data, materials, operation, testing, inspection and turnover scope.<\/p>\n

For a Wafer Butterfly Valve, also highlight compact installation between flanges with disc-clearance and gasket controls. List unresolved assumptions as deviations instead of embedding them silently in the offer.<\/p>\n

\n
\n

Turn the datasheet into a clarified quotation basis<\/h2>\n

Share the datasheet, line class and evidence scope so open points and deviations can be resolved before order release.<\/p>\n<\/div>\n

Submit Your Datasheet<\/a>Compare Butterfly Valve Options<\/a><\/div>\n<\/div>\n<\/div>\n<\/section>\n
\n
\n
Related engineering route<\/div>\n

Connect this configuration with family and quality guidance<\/h2>\n
<\/p>\n

Product family<\/h3>\n

Compare the main constructions and selection boundaries in this valve family.<\/p>\n

<\/a><\/p>\n

Project Valve Review<\/h3>\n

Resolve interacting pressure, temperature, corrosion, wear or project risks.<\/p>\n

<\/a><\/p>\n

Testing and inspection<\/h3>\n

Define pressure-test scope, acceptance, instruments, witness points and records.<\/p>\n

<\/a><\/div>\n<\/div>\n<\/section>\n

<\/p>\n