Wafer Type with Worm Gear
Design and Manufacture:Ansi/AWWAC509/API609
Face to Face:API 609/Bs5155/Iso 5752/Asme b16.1/Din
Insepction:API609
Size:2-48
Operation:Grear Worm
Temperalure:-10-120
Fire-safe,API607,API6FA&BS EN 12266-2
Material:GG25 GGG40