Features:
.Design & Manufacture: GB
.Face to Face Dimension: GB
.Inspect & Test: GB/T13927-92, GB/J9092 

Flange end conform to ANSI B16.5 ,GB9113 ,DIN2501
.Operation: Manuel
.Size Ranges:
       1/2” to 2”NB (YA & YB)
       1” to 8”NB (Y13X & Y43X)
.Pressure Rating: PN10, PN16

Standard Materials Construction:
YA & YB:
.Body/Bonnet: Alum. Bronze, Stainless Steel
.Spring: Silicon Manganese Steel
.Lever: Alum. Bronze, Stainless Steel
.Diaphragm: NBR/Rubber

Y13X & Y43X
.Body/Bonnet: Iron, Carbon Steel, Stainless Steel
.Inlet/Outlet Flange: Iron, Carbon Steel
.Piston: Bronze, Stainless Steel
.Cylinders: Bronze, Stainless Steel