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TianKang HongJi Medium and High Pressure Metal-Seated Check Valves

TianKang HongJi Medium and High Pressure Metal-Seated Check Valves

The TianKang HongJi Medium and High Pressure Metal-Seated Check Valve is designed for reliable one-direction flow control in demanding hydraulic and instrumentation systems. Featuring a metal-to-metal sealing structure with O-ring support, it ensures excellent sealing performance, long service life, and minimal leakage even under high working pressures up to 60,000 psig. The valve body is manufactured from SS316 stainless steel for corrosion resistance and durability, and uses high-pressure internal threaded ports (9/16") for quick and secure installation. It is widely used in chemical, oil & gas, laboratory, and high-pressure testing applications where compact design and safety are critical.

  • Product Details
Overview

The TianKang HongJi Medium and High Pressure Metal-Seated Check Valve provides reliable one-way flow control for demanding hydraulic and instrumentation systems. Its metal seat with O-ring delivers tight sealing and long service life up to 60,000 psig. Made from SS316 with all you can selected high-pressure threads, it suits chemical, oil & gas, laboratory, and high-pressure testing applications.

 

Technical Specifications

 Type  Medium and High Pressure Metal-Seated  Net Weight  305g (3/8")
 Body Material  SS316  Manufacturing Capacity  1800 pics/Month
 Type of Connection  High-pressure internal thread  Warranty  1 year
 Seal Type  O-ring seal  Manufacturing  Forging and CNC
 Packing  PTFE/Graphite  Available Pressure Up To  10000psig(690bar);15000psig(10350bar);20000psig(1379bar);60000psig(4137bar)
 Media  Liquid, Gas, Steam, Oil  Size Range  1/8"~1"
 Working Temperature  0 °F to 399 °F (-17.8℃~204℃)
 Cracking Pressure  1/3~25psig (0.02~1.7bar)

 

Applications

  • Oil & Gas:Prevents backflow in high-pressure pipelines, compressor outlets, and natural gas systems to protect pumps and critical equipment.
  • Chemical & Petrochemical:Ensures one-way flow in corrosive media pipelines, avoiding contamination and safeguarding reactors and process units.
  • Water Treatment & Supply:Used at pump outlets and distribution networks to stop reverse flow, water hammer, and cross-contamination.
  • HVAC & Cooling:Maintains correct flow direction in chilled/hot water systems, improving efficiency and preventing system backflow.
  • Instrumentation & Automation:Protects transmitters, regulators, and hydraulic/gas control lines from back-pressure damage.
  • Power Generation:Applied in steam and cooling systems to prevent reverse flow that could damage turbines and auxiliary equipment.
  • Pharmaceutical & Food Industries: Provides clean, unidirectional flow in hygienic piping and purified water or gas systems.

 

Ordering Number Description

 

Cracking Pressure and Reseal Pressure

Cracking pressure - the upstream pressure at which the first indication of flow occurs Reseal pressure -the pressure at which there is no indication of flow.

Customization & Technical Support

• E-Mail: overseasales@tiankang.com

Sales Support:

• E-Mail: sales06@tiankanginternational.com

 

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Anhui Tiankang Group was founded in 1974.The company covers an area of approximately 264acres. and has a construction area of 700,000 square meters. lt has more than 6,000 employeesand is a diversified group company spanning multiple industries. Tiankang Group specializes ininstruments and meters, optical cables, medical and pharmaceutical products, intelligent electricaliequipment, and polymer cable trays. Our products are widely used in petrochemicals, power,i transportation, and new energy. The Group holds independent import and export rights and hasibeen recognized for many years among China's Top 500 Manufacturing Enterprises, as well as ai National High-tech Enterprise and National Enterprise Technology Center, with multiple provincialand national honors.    
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