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        Brass Series 520 Industrial Ball Valves | Parker 
        黄铜520系列工业球阀 | 派克 
        派克工业球阀旨在用于一般用途。球阀可在完全打开或关闭位置使用。阀门的节流可能导致密封件过早失效和/或无法旋转阀门手柄。Parker Industrial Ball Valves are intended for general purpose use. Ball valves may be used in the fully open or closed positions. Throttling of the valve may result in premature seal failure and/or inability to turn the valve handle. 
          
          
          
        黄铜520系列工业球阀具有以下样式:Brass Series 520 Industrial Ball Valves are available in the following styles: 
        V阀V-Valve 
         
        黄铜520系列功能Brass Series 520 Features: 
        锻造黄铜主体Forged brass body 
        镀铬黄铜球Chrome plated brass ball 
        氟碳杆O型圈Fluorocarbon stem o-rings 
        PTFE阀座/密封PTFE seats/seals 
        钢柄Steel handle 
        520-母头/母头NPT端口520-Female/Female NPT ports 
        工作压力:饱和蒸汽高达150 psiWorking Pressure: Up to 150 psi for saturated steam 
        温度范围:-40F至350FTemperature Range: -40F to 350F 
        真空服务达到29英寸汞柱Vacuum service to 29 inches Hg 
         
         
        
          
            Parker V520P | Ball Valves - Brass Series 520 | Female-Female Ports  | 
           
          
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            Ball Valve - Female-Female, Economy 
              Part #: V520P 
            Manufacturer: Parker | 
           
          
            | PART #  | 
            PIPE THREAD (NPT)  | 
            B OCTAGON  | 
            C OCTAGON  | 
            H  | 
            L  | 
            M  | 
            N  | 
            D FLOW  | 
           
          
            | V520P-4  | 
            1/4-18  | 
            .79  | 
            .79  | 
            3.94  | 
            4.83  | 
            1.77  | 
            1.50  | 
            .310  | 
           
          
            | V520P-6  | 
            3/8-18  | 
            .79  | 
            .79  | 
            3.94  | 
            4.83  | 
            1.77  | 
            1.50  | 
            .400  | 
           
          
            | V520P-8  | 
            1/2-14  | 
            .98  | 
            .98  | 
            3.94  | 
            5.10  | 
            2.32  | 
            1.69  | 
            .600  | 
           
          
            | V520P-12  | 
            3/4-14  | 
            1.22  | 
            1.22  | 
            4.72  | 
            5.98  | 
            2.52  | 
            1.97  | 
            .790  | 
           
          
            | V520P-16  | 
            1-11.5  | 
            1.57  | 
            1.57  | 
             4.72  | 
            6.32  | 
            3.19  | 
            2.13  | 
            1.000  | 
           
          
            | V520P-20  | 
            1-1/4  | 
            1.93  | 
            1.93  | 
            6.22  | 
            8.05  | 
            3.66  | 
            2.82  | 
            1.250  | 
           
          
            | V520P-24  | 
            1-1/2  | 
            2.13  | 
            2.13  | 
            6.22  | 
            8.23  | 
            4.02  | 
            3.06  | 
            1.570  | 
           
          
            | V520P-32  | 
            2  | 
            2.69  | 
            2.69  | 
            6.22  | 
            8.58  | 
            4.76  | 
            3.33  | 
            2.000  | 
           
          
            | V520P-40  | 
            2-1/2  | 
            3.35  | 
            3.35  | 
            10.04  | 
            13.11  | 
            6.14  | 
            5.20  | 
            2.520  | 
           
          
            | V520P-48  | 
            3  | 
            3.89  | 
            3.89  | 
            10.04  | 
            13.52  | 
            6.97  | 
            5.51  | 
            3.000  | 
           
         
          
          
         
         
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