不锈钢螺纹止回阀

Type：H14W

Subtitle：Threaded Swing Check Valve

Our stainless steel threaded check valve provides automatic backflow prevention in compact piping systems. Manufactured from AISI 304/316 stainless steel, it offers corrosion resistance and maintenance-free operation for liquid and gas applications.

标签：不锈钢止回阀

类别：其他螺纹阀, 旋启式止回阀

工作条件Air conditioning system, 建筑施工, 化工厂, HVAC system

产品概览

主要功能

✔ Threaded Ends (NPT/BSP) - Easy installation without welding/flanges
✔ Swing or Lift Design - Low cracking pressure (0.05-0.1 bar)
✔ Full-Bore Construction - Minimal pressure drop
✔ Stainless Steel Construction - 304/316 SS body, disc, and spring
✔ Bubble-Tight Seal - Metal-to-metal or soft seat options

Comparison with Other Check Valves

特点	Threaded Swing Check	Threaded Lift Check	对夹式止回阀
安装	Threaded	Threaded	Flanged/Bolted
Cracking Pressure	Low (0.05 bar)	Medium (0.2 bar)	Low (0.1 bar)
Pressure Drop	Low	中型	Very Low
维护	None	None	Requires Removal
最适合	General Purpose	High Velocity	Space-Constrained

应用

✔ Water Systems

Pump discharge protection
Boiler feed lines
Irrigation systems

✔ Process Industries

Chemical dosing lines
Compressed air systems
Process media protection

✔ Oil & Gas

Instrument air lines
Small pipeline protection
Fuel transfer systems

中型

燃气, 油类, 水

工作条件

Air conditioning system, 建筑施工, 化工厂, HVAC system, 造纸厂, 制药厂, 水厂

总结

This stainless steel threaded check valve provides reliable backflow prevention in compact piping systems. Its threaded connections simplify installation, while stainless steel construction ensures long service life even in corrosive environments.

产品参数

尺寸范围	¼" to 4" (DN8 to DN100)
压力等级	Class 150 (PN16) / 300 (PN40)
温度范围	-20°C to 200°C (-4°F to 392°F)
Thread Standards	NPT (ANSI B1.20.1) / BSP (ISO 228)
Cracking Pressure	0.05-0.5 bar (model dependent)
座椅类型	Metal
流向	Horizontal/Vertical (Model Specific)