YinkeValve · Engineered Flow Controlsale@yinkevalves.com
Home / Products / Cryogenic CF8M Gate Valve Class 300
Gate Valve

Cryogenic CF8M Gate Valve Class 300

Cryogenic CF8M Gate Valve Class 300 combines Extended Bonnet Gate Valve, CF8M, Class 300, RF / BW and Metal Seat in one defined purchasing configuration. Use it when those core parameters are already fixed by the valve list or piping specification.

API 600Design basis
Class 300Pressure class
CF8MPressure-boundary material
Technical Configuration

Cryogenic CF8M Gate Valve Class 300

DesignExtended Bonnet Gate Valve
StandardAPI 600
Pressure ClassClass 300
Body MaterialCF8M
End ConnectionRF / BW
Seat / SealMetal Seat
Service / Application
OperationHandwheel / Gear
Request Technical QuoteTechnical Documents
Buyer Decision Summary

Why This Exact Configuration Exists

The commercial scope for Cryogenic CF8M Gate Valve Class 300 is controlled by the interaction of body construction, material, pressure class, piping interface, sealing and operation—not by the valve name alone.

Selection reason

Choose Cryogenic CF8M Gate Valve Class 300 when the RFQ specifically calls for Extended Bonnet Gate Valve, CF8M, Class 300 and RF / BW. Isolation behavior is governed by closure geometry, stem/bonnet construction and seating surfaces. The configuration also fixes cryogenic, which changes the purchasing basis compared with a generic gate valve.

What changes technically

For Cryogenic CF8M Gate Valve Class 300, the combined technical effect is cast austenitic stainless steel where corrosion resistance and chloride exposure require review; medium pressure service with heavier flanges, bolting and wall sections than Class 150; and raised-face or butt-weld ends require different flange/gasket or weld-preparation controls. Metal seating shifts the design toward hardfacing/coating, lapping, higher torque and wear control rather than polymer-seat compliance.

What to confirm before quote

Before pricing Cryogenic CF8M Gate Valve Class 300, confirm nominal size and bore, design pressure/temperature, trim and stem/shaft material, the Metal Seat sealing requirement, Handwheel / Gear operating basis, leakage/test acceptance and the final drawing/document package. The product name also identifies cryogenic / LNG temperature service, so the service-specific material, sealing and inspection requirements should be included in the inquiry.

Compared with a nearby configuration

Compared with Cryogenic CF8M Gate Valve Class 150, this configuration changes pressure class (Class 300 instead of Class 150). That difference is what a buyer should verify before treating the two pages as commercially interchangeable.

Design Basis

In Cryogenic CF8M Gate Valve Class 300, the Extended Bonnet Gate Valve construction determines the closure support, body arrangement and maintenance approach. Confirm bore or flow path, body joint, stem/shaft retention, seat support, anti-blowout features where applicable and access requirements against the approved GA.

Pressure-Boundary Material

For Cryogenic CF8M Gate Valve Class 300, the pressure boundary is CF8M. Cast austenitic stainless steel where corrosion resistance and chloride exposure require review. Because this valve is Class 300 with RF / BW, verify the material condition, trim compatibility, bolting and any PMI/NDE or corrosion-control requirement as one package.

Pressure Class and Piping Interface

For Cryogenic CF8M Gate Valve Class 300, the specified rating is Class 300 and the piping interface is RF / BW. Medium pressure service with heavier flanges, bolting and wall sections than class 150. Raised-face or butt-weld ends require different flange/gasket or weld-preparation controls. Final dimensions and pressure-temperature suitability must therefore be checked against the selected material and design temperature, not inferred from class alone.

Seat and Seal Arrangement

For Cryogenic CF8M Gate Valve Class 300, the listed sealing basis is Metal Seat. Metal seating shifts the design toward hardfacing/coating, lapping, higher torque and wear control rather than polymer-seat compliance. Confirm leakage acceptance, pressure/temperature limits and cycling together with the Class 300 loading and the selected Handwheel / Gear operating method.

Operation and Actuation

For Cryogenic CF8M Gate Valve Class 300, operation is Handwheel / Gear. Manual handwheel/gear selection should keep rim pull and operating effort practical at the maximum specified differential pressure. The final operator or actuator basis should use the actual size, maximum differential pressure, Metal Seat friction/seating behavior and required operating or emergency time.

Service Conditions

Cryogenic CF8M Gate Valve Class 300 is explicitly associated with cryogenic / LNG temperature service; confirm the service-specific material, sealing, inspection and qualification requirements in the purchaser specification.

Inspection and Testing

For Cryogenic CF8M Gate Valve Class 300, tie MTC/heat traceability, dimensional inspection, PMI/NDE where specified, shell/seat testing, coating checks, witness points and final records to the approved API 600 datasheet and ITP.

Documents Before Release

The manufacturing release for Cryogenic CF8M Gate Valve Class 300 should reference the approved GA, material/trim schedule, seat/seal definition, operator or actuator data, test scope and required final documentation.

Relevant Product Ranges

CF8M ValvesProduct range→Cryogenic ValvesProduct range→Cryogenic Gate ValvesProduct range→CF8M Gate ValvesProduct range→Class 300 Gate ValvesProduct range→
Cryogenic CF8M Gate Valve Class 150API 600 · Class 150→Cryogenic CF8M Gate Valve Class 600API 600 · Class 600→Cryogenic LCC Gate Valve Class 300API 600 · Class 300→API 600 CF8M Gate Valve Class 300API 600 · Class 300→Cryogenic LCC Gate Valve Class 150API 600 · Class 150→Cryogenic LCC Gate Valve Class 600API 600 · Class 600→API 600 CF8M Gate Valve Class 150API 600 · Class 150→API 600 CF8M Gate Valve Class 600API 600 · Class 600→

Ready to Review Cryogenic CF8M Gate Valve Class 300?

Send the project specification for Cryogenic CF8M Gate Valve Class 300; the quotation can then confirm size-dependent dimensions, trim, sealing, operation, inspection and final documents without changing the defined CF8M / Class 300 basis.

Request Technical Quote