Stainless Steel Threaded Check Valve

Other threaded valves include needle valves, globe valves, check valves and many other types, which are widely used in chemical, petroleum, machinery manufacturing, water supply and drainage and HVAC and other working conditions. Suitable for water, gas, oil and slightly corrosive media, with good sealing performance and corrosion resistance. This kind of threaded valve adopts threaded connection, easy and quick installation, no need for complex welding or flange fittings, especially suitable for small diameter pipeline system. Product features include compact structure, flexible operation, low flow resistance, reliable sealing, suitable for low and medium pressure working conditions. Its advantage lies in easy maintenance, long service life, cost-effective, and can realize the precise cut-off of the medium, flow regulation and backflow prevention function. Other threaded valves have a wide range of applications to meet the diverse needs of different industrial and civil piping systems, and are the ideal choice for high efficiency, safety and reliability.
Stainless Steel Threaded Check Valve

Stainless Steel Threaded Check Valve

Model: H14W
Subtitle:Threaded swing check valve
Our stainless steel threaded check valves automatically prevent backflow in compact piping systems. Made of AISI 304/316 stainless steel, the valves are corrosion-resistant and maintenance-free for liquid and gas applications.

Product Overview

Our stainless steel threaded check valves automatically prevent backflow in compact piping systems. Made of AISI 304/316 stainless steel, the valves are corrosion-resistant and maintenance-free for liquid and gas applications.

Main characteristics

Threaded connections (NPT/BSP) - no welding/flanging required, easy installation

Spin-on or lift-off design - low cracking pressure (0.05-0.1 bar)

Full bore construction - minimum pressure drop

Stainless steel construction - 304/316 stainless steel body, flapper, and spring

Gas-tight seal - metal-to-metal or soft seat available

Comparison with other check valves

specificitiesThreaded Swing Check ValvesThreaded lift check valveClamp-on check valves
mountingwhorl of fingerprintwhorl of fingerprintFlange/bolt connection
Cracking PressureLow (0.05 bar)Medium (0.2 bar)Low (0.1 bar)
pressure droplower (one's head)moderateextremely low
safeguardnot havenot haveNeeds to be removed
most suitablecommon (use)high speedspace constraint

Applicable working conditions

water system
Pump discharge protection
Boiler water supply lines

irrigation system
process industry
Chemical metering lines
Compressed air systems
Process media protection

Oil and gas
Instrument air lines
Small pipe protection
Fuel delivery systems

summarize

This stainless steel threaded check valve provides reliable backflow prevention in compact piping systems. Its threaded connection simplifies installation, and the stainless steel construction ensures long service life even in corrosive environments.

Product Parameters

Nominal diameter¼" to 4" (DN8 to DN100)
Nominal pressureClass 150 (PN16) / 300 (PN40)
temperature range-20°C to 200°C (-4°F to 392°F)
Thread StandardsNPT (ANSI B1.20.1) / BSP (ISO 228)
Cracking Pressure0.05-0.5 bar (depending on model)
Seal Typehard seal
direction of flowHorizontal/Vertical

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