这些阀门是150磅级和285 PSI CWP，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，OS&Y(外螺纹和轭架)或暗杆，球墨铸铁阀体，青铜阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。填料和垫圈是不含石棉的材料。
　　Valves to be Class 150 and 285 PSI CWP, tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, OS&Y or Non-Rising, Ductile Iron body, bronze trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron. Packing and gaskets to be non-asbestos.
　　可接受的阀门：美国尼伯科F-637-31 (外螺纹和轭架)或F-639-31 (暗杆)
　　ACCEPTABLE VALVES: NIBCO F-637-31 (OS&Y) or F-639-31 (Non-Rising).

　　这些阀门是150磅级和285 PSI CWP，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，OS&Y(外螺纹和轭架)，球墨铸铁阀体，青铜阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。填料和垫圈是不含石棉的材料。
　　Valves to be Class 150 and 285 PSI CWP, tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, OS&Y, Ductile Iron body, bronze trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron. Packing and gaskets to be non-asbestos.
　　可接受的阀门：直截止阀美国尼伯科F-738-31；角截止阀美国尼伯科F-838-31。
　　ACCEPTABLE VALVES: Straight Globe NIBCO F-738-31; Angle Globe NIBCO F-838-31.

　　这些阀门是150磅级和285 PSI CWP，旋启式，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，球墨铸铁阀体，青铜阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。不含石棉的垫圈。
　　Valves to be Class 150 and 285 PSI CWP, shall be swing-type tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, Ductile Iron body, bronze trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron, non-asbestos gasket.
　　可接受的阀门：旋启式美国尼伯科F-938-31；旋启式，配置外杠杆和弹簧/压铁的美国尼伯科F-938-31-BL&S (BL&W)
　　ACCEPTABLE VALVES: Swing-type NIBCO F-938-31; Swing-type with outside lever and spring/weight NIBCO F-938-31-BL&S (BL&W).

　　这些阀门是150磅级和285 PSI CWP，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，OS&Y(外螺纹和轭架)，球墨铸铁阀体，不锈钢阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。填料和垫圈是不含石棉的材料。
　　Valves to be Class 150 and 285 PSI CWP, tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, OS&Y, Ductile Iron body, 316 SS trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron. Packing and gaskets to be non-asbestos.
　　可接受的阀门：美国尼伯科F-637-33 (31阀内件 -- 可选择用于蒸汽应用场合)。
　　ACCEPTABLE VALVES: NIBCO F-637-33 (31 Trim—alternative for steam applications).

　　这些阀门是150磅级和285 PSI CWP，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，OS&Y(外螺纹和轭架)，球墨铸铁阀体，青铜阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。填料和垫圈是不含石棉的材料。
　　Valves to be Class 150 and 285 PSI CWP, tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, OS&Y, Ductile Iron body, bronze trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron. Packing and gaskets to be non-asbestos.
　　可接受的阀门：直截止阀美国尼伯科F-738-31；角截止阀美国尼伯科F-838-31青铜阀内件，仅适用于蒸汽应用。
　　APPLICABLE VALVES: Straight Globe NIBCO F-738-31; Angle Globe NIBCO F-838-31 Bronze Trim for Steam Application ONLY.

　　这些阀门是150磅级和285 PSI CWP，旋启式，按照美国制造商标准化协会的标准测试，法兰，螺栓阀盖，球墨铸铁阀体，316不锈钢阀内件，符合ASTM A 395球墨铸铁的阀体和阀盖。不含石棉的垫圈。
　　Valves to be Class 150 and 285 PSI CWP, shall be swing-type tested in accordance with Manufacturers Standardization Society, flanged, bolted bonnet, Ductile Iron body, 316 SS trimmed, with body and bonnet conforming to ASTM A 395 Ductile Iron, non-asbestos gasket.
　　可接受阀门：旋启式美国尼伯科F-938-33；旋启式配置外杠杆和弹簧/压铁美国尼伯科F-938-33-BL&S (BL&W) (31阀内件 -- 可选择用于蒸汽应用)。
　　ACCEPTABLE VALVES: Swing-type NIBCO F-938-33; Swing-type with outside lever and spring/weight NIBCO F-938-33-BL&S (BL&W) (31 Trim—alternative for steam applications).

　　变成永久性变形的能力 - 扩展，拉伸，或锤锻后在可预估的持续负载下不出现故障的能力。
　　The ability of a material to become permanently deformed—stretched, drawn, or hammered without failure while maintaining an appreciable load.

　　在出现问题前材料单位面积所能承受的极限拉力，例如：磅每平方英寸(PSI)。
　　Measures in force per unit area [i.e. pounds per square inch (PSI)] the ultimate stress that can be withstood by a material in tension prior to failure.

　　在出现永久性变形（塑性变形）前单位面积所承受的最大压力。
　　Measures in force per unit area, the stress at which a material will undergo a permanent change in shape (plastic deformation) in response to an applied force.