Series: CS/CL
Published ranges describe the product platform. Availability and pressure-temperature ratings are confirmed by size, material and configuration.
Non-return valve selection for wellhead systems requires the specified pressure rating and compatible materials.
Protect the specified flow path against reverse flow with a configuration matched to the process conditions.
Review operating flow, installation orientation and reverse differential pressure for check-valve selection.
Forged steel check valves for API 6A upstream systems requiring automatic reverse-flow prevention, selected against flow conditions and project specifications.
Specify the project API 6A requirements, rated working pressure, temperature conditions, material selection, connection interface and inspection scope. Product specification level and performance requirements are confirmed in the quotation; a general API 6A reference does not establish every qualification.
Applicable design standards, material verification, shell-pressure tests and seat-leakage acceptance are defined for the quoted valve. The inspection plan should identify the test conditions, acceptance criteria and required records.
Specify drawings, material certificates, test reports and actuator documents required for the order. Fire-safe, fugitive-emissions, sour-service or special temperature qualifications are included only when specified and supported for the selected configuration.
Define medium, design conditions, connection details, operating duty and required documentation to establish the quoted configuration.
