Features:
.Design & Manufacture: GB
.Face to Face Dimension: GB

.Flange end confrom to .GB9113,JB79,ANSI B16.5 ,DIN 2501
.Inspect & Test: GB/T13927-92, GB/J9092
.Operation: Manuel
.Size Ranges: 2” to 20”NB
.Pressure Rating: PN64, PN100

Standard Materials Construction:
.Body/Bonnet: Carbon Steel, Stainless Steel etc.
.Lower Cover: Carbons Steel, Stainless Steel etc.
.Seat: 1Cr18Ni9Ti
.Stem: 38CrMoAiA
.Disc: AISI 420, 1Cr18Ni9Ti