Product Features

1. Compact structure, beautiful shape, reduced diameter channel. Structural features: B.B. or W.B;
2. The sealing surface is made of alloy steel or cemented carbide, the material of sealing pair is reasonable, and the service life is long;
3. The valve disc is conical, and the valve stem is equipped with reverse sealing, which has good sealing performance. The surface of valve rod is nitrided, which has good corrosion resistance and friction resistance. Flexible graphite packing, reliable sealing, flexible operation, small opening and closing torque;
4. Various piping standards and connection forms (such as socket welding, butt welding and threaded connection) can be selected.

Execution Standard

Design spec：JB/T 7746
Face to Face：JB/T 7746
Flange end：HG/T 20592、JB/T 79、GB/T 9113
Test & check：GB/T 26480、GB/T 13927
Pressure-temp：GB/T 12224、JB/T 7746

Performance Parameter

Nominal diameter：NPS1/2"~1½"
Nominal Pressure：Class150～600Lb
Applicable media：Water, oil, steam, nitric acid
Applicable temperature：≤425℃
Main materials：A105、1Cr18Ni9Ti