1.Low torque and easy to operate. 2.Compact in structure and design. 3.Strict to the relevant standard ANSI,API,ASME. Nickel Aluminium BronzeASTM B148 C95800 , Bronze ASTM B62 B61, Monel, Titanium, Alloy 20, Inconel, Duplex Stainless Steel, Hastelloy Size Range: DN50 - DN900 / 1" - 18"Design Standard:API 609/BS5155/EN558/DIN3202Pressure Ratings:Class 150End Connection:Wafer LuggedDescription:High ...