型号
Type-A,Type-E,Type-F,Type-DP
Material
stainless steel 316, 304; aluminium, brass, plastic
Size
1/2"-6" or customized
Assemly parts
handles, safety pins, pins, rings
Thread
NPT, BSPP, BSPT etc
Customized support
OEM, ODM, OBM
Workmanship
precision casting and forging
Application
oil, petroleum, water, gas, chemical