Check valve

Model: H44H, H44Y, H44T1 ～ T8, etc.
Caliber: NPS2 ～ NPS30, DN50 ～ DN750
Pressure: Class150 ～ Class2500, PN20 ～ PN420
Material: carbon steel, stainless steel, alloy steel, duplex steel
Drive: none (automatic)
Applications: Petroleum, chemical, natural gas, petrochemical, coal chemical and other industries

Introduction to American Standard Cast Steel Swing Check Valve

The cast steel swing check valve is suitable for various pipelines of Class150 ～ Class2500 and PN20 ～ PN420 to prevent backflow of the medium in the pipeline. Choose different materials, Xianwo Technology's cast steel swing check valve can be applied to various media such as water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, etc. Cast steel swing check valves are generally flanged or butt welded.

Features of cast steel butt-welding rotary check valve

The flange cast steel swing check valve developed and produced by Xianwo has the characteristics of no external leakage, good sealing performance, low linear vibration and small pressure drop.

National standard application standard of butt-welding swing check valve

Design and manufacturing standards: API 6D, GB / T 12236, BS 1868
Structural length standard: ASME B 16.10, GB / T 12221
Connection flange standard: ASME B 16.5, GB, JB, HG, SH, BS, DIN, JIS, etc.
Test and inspection standards: API 598, GB / T 13927, GB / T 26480, JB / T9092, ISO 5208