For long-pattern Gate Valves, size range is NPS ½” up to NPS 12”, connections are flanges and welding ends. For short-pattern Gate Valves, size range is NPS 1” up to NPS 18”, connection is welding ends.
For long-pattern Globe Valves, size range is NPS ½” up to NPS 12”, connections are flanges and welding ends. For short-pattern Globe Valves, size range is NPS 2” up to NPS 12”, connection is welding ends. For size range of NPS 2” up to NPS 8”, face-to-face and end-to-end dimensions for Long Pattern and end-to-end dimensions for Short Pattern are similar. In other words, the differential longer and shorter Gate Valves are applicable only for size NPS 10” and NPS 12”.
For long-pattern Swing Check Valves, size range is NPS ½” up to NPS 12”, connections are flanges and welding ends. For short-pattern Swing Check Valves, size range is NPS 2” up to NPS 12”, connection is welding ends. For size range of NPS 2” up to NPS 8”, face-to-face and end-to-end dimensions for Long Pattern and end-to-end dimensions for Short Pattern are similar. In other words, the differential longer and shorter Swing Check Valves are applicable only for size NPS 10” and NPS 12”.
For long-pattern Lift Check Valves, size range is NPS ½” up to NPS 12”, connections are flanges and welding ends. For short-pattern Lift Check Valves, size range is NPS 2” up to NPS 12”, connection is welding ends. For size range of NPS 2” up to NPS 8”, face-to-face and end-to-end dimensions for Long Pattern and end-to-end dimensions for Short Pattern are similar. In other words, the differential longer and shorter Lift Check Valves are applicable only for size NPS 10” and NPS 12”. Lift Check Valve is also known as Piston Check Valve.
For long-pattern Ball Valves, size range is NPS 2” up to NPS 12”, connections are flanges and welding ends. There is no short-pattern specified for Ball Valves.
Reference:
ASME B16.10 - Face-to-Face and End-to-End Dimensions of Valves.
Table 6 – Class 2500 Steel Flanged and Buttwelding End Valves, Face-to-Face and End-to-End Dimensions.
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