消防（防火）阀门•凸面法兰•螺栓阀盖•
阀盖外阀杆螺纹和支架•实心楔形闸板•B584青铜阀内件
FireProtectionValve•RaisedFaceFlanges•BoltedBonnet•
OutsideScrewandYoke•SolidWedge•B584BronzeTrim
285PSI/19.7Bar非冲击性冷水工作压力-29°C至38°C
285PSI/19.7BarNon-ShockColdWorkingPressureto-20°Fto100°F/-29°Cto38°C
测试规范符合MSSSP-70
TESTINGSPECIFICATIONTOMSSSP-70

	部件 PART	规格说明 SPECIFICATION
1.	阀杆 Stem	青铜ASTM B 371 Bronze ASTM B 371
2.	手轮螺母 Handwheel Nut	青铜ASTM B 584 Bronze ASTM B 584
3.	标志牌 Identification Plate	铝 Aluminum
4.	支架衬套 Yoke Bushing	青铜ASTM B 584 Bronze ASTM B 584
5.	手轮 Handwheel	铸铁ASTM A 126，B级 Iron ASTM A 126 Class B
6.	阀盖帽螺母 Bonnet Cap Nut	钢ASTM A 307 Steel ASTM A 307
7.	阀盖帽 Bonnet Cap	球墨铸铁ASTM A 536 Ductile Iron ASTM A 536
8.	1阀盖 1Bonnet	球墨铸铁ASTM A 395 Ductile Iron ASTM A 395
9.	阀盖帽螺栓 Bonnet Cap Bolt	钢ASTM A 307 Steel ASTM A 307
10.	密封压盖随动件螺母 Gland Follower Nut	黄铜ASTM B 36 Brass ASTM B 36
11.	密封压盖随动件 Gland Follower	球墨铸铁ASTM A 536 Ductile Iron ASTM A 536
12.	填料压盖 Packing Gland	黄铜或铁 Brass or Iron
13.	填料 Packing	编制TFE TFE Braided
14.	密封压盖随动件螺栓 Gland Follower Bolt	钢ASTM A 307 Steel ASTM A 307
15.	后座衬套 Backseat Bushing	青铜ASTM B 584 Bronze ASTM B 584
16.	阀体螺母 Body Nut	钢ASTM A 307 Steel ASTM A 307
17.	阀体螺栓 Body Bolt	钢ASTM A 307 Steel ASTM A 307
18.	楔形闸板销 Wedge Pin	青铜ASTM B 371 Bronze ASTM B 371
19.	阀体 Body	球墨铸铁ASTM A 395 Ductile Iron ASTM A 395
20.	3阀座圈 3Seat Ring	青铜ASTM B 584 Bronze ASTM B 584
21.	楔形闸板表面环 Wedge Face Ring	青铜ASTM B 584 Bronze ASTM B 584
22.	2楔形闸板 2Wedge	球墨铸铁ASTM A 395 Ductile Iron ASTM A 395
23.	阀体垫圈 Body Gasket	合成纤维 Synthetic Fibres
24.	阀杆轴环 Stem Collar	青铜ASTM B 371 Bronze ASTM B 371
25.	润滑脂加油嘴 Grease Fitting	黄油嘴1743B（图中没显示） Alemite 1743B (not shown)