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Duplex Check Valves

Duplex Check Valves place pressure-boundary metallurgy at the center of selection, so corrosion, temperature and material-product-form requirements are checked before final configuration.

Manufactured in ChinaInternational project supply
Datasheet-led reviewConfiguration before quotation
Factory / quality evidenceCompany sections
Product Range

Product Range Overview

Duplex Check Valves: this page brings together 36 directly matched configurations, covering designs Swing Check Valve, Dual Plate Check Valve, Axial Flow Check Valve, and Nozzle Check Valve; standards API 6D, API 594, and API 602; materials F51 and F53; classes Class 150, Class 300, Class 600, and Class 900.

Engineering focus

For Duplex Check Valves, compare closure travel, pressure drop, orientation, spring or hinge dynamics and transient response.

Selection basis

Choose Duplex Check Valves when the pressure-boundary material is already fixed by the project. Confirm process chemistry, design temperature, corrosion mechanism, trim compatibility and the exact ASTM/UNS product form before selecting the valve design.

Quotation basis

For a comparable quotation on Duplex Check Valves, send size, quantity, design pressure and temperature, body/trim materials, ends, operation, service fluid and required inspection/documents with the valve list or datasheet.

Send Project SpecificationManufacturing
Available Configurations

Choose the Closest Technical Configuration

Use the configurations below to shortlist the closest technical match for Duplex Check Valves. Open the exact product page to compare material, pressure class, piping interface, sealing, operation and project inspection requirements.

01

API 6D F51 Swing Check Valve Class 150

F51Class 150→02

API 6D F51 Swing Check Valve Class 300

F51Class 300→03

API 6D F51 Swing Check Valve Class 600

F51Class 600→04

API 6D F51 Swing Check Valve Class 900

F51Class 900→05

API 594 F51 Dual Plate Check Valve Class 150

F51Class 150→06

API 594 F51 Dual Plate Check Valve Class 300

F51Class 300→07

API 594 F51 Dual Plate Check Valve Class 600

F51Class 600→08

API 594 F51 Dual Plate Check Valve Class 900

F51Class 900→09

API 594 F53 Dual Plate Check Valve Class 150

F53Class 150→10

API 594 F53 Dual Plate Check Valve Class 300

F53Class 300→11

API 594 F53 Dual Plate Check Valve Class 600

F53Class 600→12

API 594 F53 Dual Plate Check Valve Class 900

F53Class 900→13

API 6D F51 Axial Flow Check Valve Class 300

F51Class 300→14

API 6D F51 Axial Flow Check Valve Class 600

F51Class 600→15

API 6D F51 Axial Flow Check Valve Class 900

F51Class 900→16

API 6D F51 Axial Flow Check Valve Class 1500

F51Class 1500→17

API 6D F53 Axial Flow Check Valve Class 300

F53Class 300→18

API 6D F53 Axial Flow Check Valve Class 600

F53Class 600→19

API 6D F53 Axial Flow Check Valve Class 900

F53Class 900→20

API 6D F53 Axial Flow Check Valve Class 1500

F53Class 1500→21

API 6D F51 Nozzle Check Valve Class 300

F51Class 300→22

API 6D F51 Nozzle Check Valve Class 600

F51Class 600→23

API 6D F51 Nozzle Check Valve Class 900

F51Class 900→24

API 6D F51 Nozzle Check Valve Class 1500

F51Class 1500→25

API 6D F53 Nozzle Check Valve Class 300

F53Class 300→26

API 6D F53 Nozzle Check Valve Class 600

F53Class 600→27

API 6D F53 Nozzle Check Valve Class 900

F53Class 900→28

API 6D F53 Nozzle Check Valve Class 1500

F53Class 1500→29

API 602 F51 Piston Check Valve Class 800 Socket Weld

F51Class 800→30

API 602 F51 Piston Check Valve Class 1500 Socket Weld

F51Class 1500→31

API 602 F51 Piston Check Valve Class 2500 Socket Weld

F51Class 2500→32

API 602 F51 Lift Check Valve Class 800 Socket Weld

F51Class 800→33

API 602 F51 Lift Check Valve Class 1500 Socket Weld

F51Class 1500→34

API 602 F51 Lift Check Valve Class 2500 Socket Weld

F51Class 2500→35

API 6DSS F51 Subsea Axial Check Valve Class 600

F51Class 600→36

API 6DSS F51 Subsea Axial Check Valve Class 900

F51Class 900→

Engineering Focus

For duplex check valves, the core engineering discussion centers on reverse-flow protection, closing response, pressure loss, orientation and transient behavior.

Selection Basis

This range is selected when pressure-boundary metallurgy is a primary engineering decision. Buyers should align the listed alloy or steel grade with process chemistry, design temperature, corrosion mechanism, trim compatibility and the approved material specification.

Manufacturing and Quality Context

YinkeValve manufactures and supplies duplex check valves from China for international B2B projects; the final quotation is based on the purchaser datasheet, valve list or project specification rather than a generic catalogue assumption.

Inquiry Guidance

When requesting duplex check valves, include size, quantity, design pressure and temperature, body and trim materials, end connection, operating method, service fluid and the required inspection or document package so the configuration can be reviewed before pricing.

Configuration Scope

Across Duplex Check Valves, the mapped configurations let a buyer compare Swing Check Valve, Dual Plate Check Valve, Axial Flow Check Valve with F51, F53 across Class 150, Class 300, Class 600. The purpose is to narrow the technical shortlist before dimensions, trim and inspection details are finalized.

Ready to Review Duplex Check Valves?

Send the valve list or datasheet for Duplex Check Valves. YinkeValve can use the stated design conditions to confirm which mapped configuration is technically closest and what project-specific details still need clarification before quotation.

Request Technical Quote