1.Size:1/2 " X1/2",1/2"X3/4 2.Quick-open switch. 3.Brass body,brass handle. 4.Ceramic brass cartridge. Feature:* Working pressure : 0.05 MPa--1MPa.* Working temperature: < 80 °C* Fast 1/4 turn open or closed operation.* Low operation torque.* Each valve individually tested.* Low cost for management,Can supply you very competitive price and be your long partner.* 20 days delivery once confirmed.* ...