结构特点 DESIGN FEATURES1.      结构紧凑，非常坚固，适用于高压高温应用领域。A compact but extremely sturdy design for high pressure-temperature service.2.      实心钨铬钴合金6楔板（备选项），确保较低的磨损和较长的使用寿命。Solid Stellite 6 wedge (optional) ensures low friction and long service life.3.      1500磅级的阀门和用于蒸汽应用领域的阀门，其阀座是通过密封焊接到阀体上的。For Class 1500 valves and for steam service, seats are seal-welded to the body.4.      填料环经过4000 psi高压预压缩，具有完整的密封性能。Packing rings are precompressed to 4000 psi to provide a high integrity seal.5.      焊接阀帽阀门，阀帽经过螺纹旋进，旋进扭矩达到工程扭矩值，阀体阀帽连接是强度-焊接连接，这样具有双重保护防止泄露。（阀体/阀帽螺纹和强度-焊接连接）。For welded bonnet valves, the bonnet is threaded in and torqued to an engineered torque value and the body bonnet joint is strength-welded, offering double protection against leakage. (Body/bonnet threads and strength-weld).6.      全导向楔板减少阀座表面的磨损。Fully guided wedge reduces wear on seating surfaces.7.      可维修的2件式阀杆驱动。Repairable 2-piece stem drive. 通径 SizeinmmA端口PortB端对端End to EndC中心到顶部关闭状态Center to TopClosedD中心到顶部开启状态Center to TopOpenH手轮HandwheelK承插焊接内径SocketWeldBoreL承插焊接深度SocketWeldDepth8001500250045008001500250045008001500250045008001500250045008001500250045001/480.2560.256--2.88733.5089--4.631176.40163--5.131307.10180--2.50643.5089--0.55514.100.38103/8100.2560.256--2.88733.5089--4.631176.40163--5.131307.10180--2.50643.5089--0.69017.530.38101/2150.38100.3590.5013-2.88733.50895.00127-4.631176.401639.00229-5.131307.101809.80249-2.50643.50896.00152-0.85521.720.38103/4200.50130.50130.50130.58153.25833.50895.001277.001785.901506.401639.0022911.823006.631687.101809.8024912.623213.50893.50896.001528.002031.06527.050.50131250.69180.69180.69180.58153.50895.001275.001278.002036.301608.102069.1023111.823007.201828.9022610.0025412.623213.50895.001276.001528.002031.33033.780.501311/4321.25321.25320.96240.88225.001275.2513310.0025411.002797.771979.4023911.3028716.504199.1223110.8027412.5031817.724505.001276.001528.0020312.003051.67542.550.501311/2401.25321.25320.96240.88225.001275.2513310.0025411.002797.771979.4023911.3028716.504199.1223110.8027412.5031817.724505.001276.001528.0020312.003051.91548.640.50132501.50381.50381.50381.20315.2513310.0025410.0025411.002798.5021612.4031512.4031517.0043210.4026414.1035814.1535818.64726.0015210.0025410.0025412.003052.40661.110.6216