Non-return valve / Product notes

Swing check valves

Swing check valves are selected around flow direction, installation position, pressure class, material and the consequences of backflow.

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Information to confirm

A product page should answer the buyer's next question.

Line size and pressure class

Fluid and operating temperature

Horizontal or vertical installation

Body, disc and seat materials

Inspection or test documents required with the order

Reference data / order data

Use the reference column to frame the request.

The reference column describes information found in public manufacturer material. It is not a Hande product rating. The final column shows what must be confirmed by a current drawing, quotation or document package.

FieldPublished referenceHande status

FunctionAutomatic non-return serviceConfirm the required backflow duty

PatternSwing, wafer, lift, ball and dual-plate designs are separate selection routesConfirm current Hande pattern

InstallationFlow direction, straight pipe and pump position affect selectionReview against piping layout

MaterialsCF8M and 316 stainless components appear in published examplesConfirm body, disc, seat and spring

TestingAPI 594 design and API 598 testing are shown in one published reference exampleConfirm the applicable order standard

Evidence and documents

Sources used for the selection framework.

These external documents support the terminology and questions on this page. They are not Hande certificates, test reports or declarations of conformity.

Reference sources reviewed 11 August 2026. Hande-specific data remains pending current documentation.

Specification note: Product imagery is for range reference. Final dimensions, materials, pressure ratings, connections and document scope must be confirmed against the applicable drawing and order specification.

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