【标准】 STD
结构长度Face to face/ End to end
【压力试验】 Pressure Test
Shell Test
Water Seal Test
Air Seal Test
【主要零件材料及性能】 Main Part Materials and Property
STL
木体材料
With Body
Material
尼龙
Nylon
1Cr13/柔性石墨
不锈钢/耐酸石棉
PTFE
齿型垫片
Enhanced Flexible
Graphite
1Cr13/Flexible
S.S/Acid-proof
asbestos
Tooth profile
gasket
硝酸类 醋酸类
强氧化介质 尿素
Water Steam
Petroleum
Products
Nitric acid
Acetic acid