标准  STD

设计与制造 Design and Manufacture	结构长度 Face to face/ End to end	法兰尺寸   Flange Dimension	对焊连接尺寸Butt welding dimension	压力-温度   Pressure Temperature Lating	试验-检验Inspection and Test
ANSI B16.34 BS1873	ANSI B16.10	ANSI B16.5	ANSI B16.25	ANSI B16.34	API 598

压力试验  Pressure Test

公称压力PN(Lb)NominalPressure	强度试验Shell Test		水密封试验 Water Seal Test		气密封试验       Air Seal Test
	MPa	Lbf/in2	MPa	Lbf/in2	MPa	Lbf/in2
150	3.1	450	2.2	315	0.5-0.7	60-100
300	7.8	1125	5.6	815
600	15.3	2225	11.2	1630
900	23.1	3350	16.8	2440
1500	38.4	5575	28.1	4080
2500	64.6	9367	47.4	6873

主要零件材料及性能 Main Part Materials and Property

体、盖、瓣 Body Cover Disc	阀杆   Stem	密封面Sealing Face	垫片（环）Sealing Shim	填料 Packing	工作温度Working Temperature	适用介质Suitable Medium
WCB	2Cr13	13Cr STL 木体材料 With Body Material 尼龙 Nylon	增强柔性石墨 13Cr/柔性石墨 Enhanced Flexible Graphite 1Cr13/Flexible Graphite SFB-2 08软钢 08 Soft Steal F304 F316 F304L F316L	柔性石墨 增强柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE	≤425	水 蒸汽 油品 Water Steam Petroleum Products
WC1	38CrMoAl 25Cr2MoV				≤425
WC6					≤540
WC9					≤570
C5 C12					≤540
CF8	F304				≤200	硝酸 醋酸 尿素 Nitric acid Acetic acid
CF8M	F316
CF3	F304L
CF3M	F316L