产品名称：美标磅级截止阀

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截止阀: J61Y/W不锈钢焊接截止阀,J641H气动截止阀,J941H电动截止阀,J41W美标截止阀,J11W不锈钢螺纹截止阀,J11W丝口截止阀,J41H/W直通式截止阀,J41W不锈钢截止阀,YJ41W氧气截止阀,WJ41H波纹管截止阀,J44H角式截止阀,J44H高压角式截止阀,BJ41W保温截止阀,BJ45H/W角式保温截止阀,NKJ61H/Y真空截止阀,J961H/Y电动焊接截止阀,DJ41Y低温截止阀,DS/J61H水封截止阀

美标磅级截止阀标准：standard
设计与制造 design test and checkup	BS1873 及 ASMEB16.34
检验与试验 flange connect	API 598
端法兰尺寸 face to face	ASME B16.5(磅级)
对焊端尺寸 pressure-temperature class	ASME B16.25
结构长度 face to face dimension acc.	ASME B16.10
压力温度等级 pressure temp. class	ASME B16.34

美标磅级截止阀主要零部件材料：Material of main parts
序号	零件名称	材料 materials
Ordinal number	name of parts	WCB	CF8/304	CF8M/316
1	阀体 body	ASTM A216 WCB	ASTM A351 CF8	ASTM A351 CF8M
2	阀座 seat ring	A105 + 硬质合金	ASTM A351 CF8	ASTM A351 CF8M
3	阀瓣 disc	A216 WCB + 硬质合金	ASTM A351 CF8	ASTM A351 CF9M
4	阀杆 stem	ASTM A182 F6a	ASTM A182 F304	ASTM A182 F316
5	阀瓣盖 disc	ASTM A216 WCB	ASTM A351 CF8	ASTM A351 CF8M
6	螺母 rnu	ASTM A194 2H	ASTM A194 8	ASTM A194 8M
7	螺柱 stad	ASTM A193 B7	ASTM AI93 B8	ASTM A193 B8M
8	垫片 shim	304+ 柔性石墨 graphite	304+ 柔性石墨	316+ 柔性石墨
9	上密封座 back face	ASTM A182 F6a	ASTM A351 F304	ASTM A351 F316
l0	阀盖 bonnet	ASTM A216 WCB	ASTM A351 CF8	ASTM A351 CF8M
1l	填料 packing	柔性石墨 graphite	柔性石墨	柔性石墨
12	圆柱销 cylinder sell	ASTM A36	304	316
13	螺钉 bolt	ASTM A194 2H	ASTM A194 8	ASTM A194 8M
14	填料压套 packing press the set	ASTM A182 F6a	ASTM A182 F304	ASTM A182 F316
15	填料压板 packing press the plank	ASTM A216 WCB	ASTM A351 CF8	ASTM A351 CF8M
16	螺母 nut	ASTM A194 2H	ASTM A194 8	ASTM A194 8M
17	阀杆螺母 stom nut	ASTM A439 D2	ASTM A439 D2	ASTM A439 D2
18	手轮 hand wheel	可锻铸钢 forgeable	可锻铸铁	可锻铸铁
19	螺母 nut	碳钢	碳钢	碳钢

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