Non Rising Stem Gate Valve Drawing

Non rising stem gate valve part names.

Non rising stem gate valve drawing.

Drawing 4 12 inch a 2362 all end types 7420 certificate of compliance 2 12 a 2362 resilient wedge gate valves. Designed and manufactured for use in wastewater and sewage applications pratt gate valves are produced in both non rising stem nrs and outside screw yoke os y versions. Fabrication of pipe systems. Non rising stem nrs triple o ring seal stuffing box 2 above the thrust collar and 1 below.

Non rising stem gate valves are recommended when positive shutoff is required and where space is a premium. Symbols for piping arrangements. Knife gate valve with non rising stem and handwheel for wastewater treatment 0 c to 80 c avk lug wafer knife gate valves are bi directional with full and plane bore. The cast iron gate valve features a class 125 flanged flat face end connection for easy installation and accessibility.

You can see the image. Symbols for isometric drawings. The valve disk is threaded internally. Available in sizes 2 through 96 our metal seated solid wedge valves are designed in accordance with awwa c500 standards as well as ansi and astm standards.

The disc travels along the stem like a nut when the stem is rotated. Non rising stem gate valve or insider screw valve. Symbols for heat exchangers on pid. All valves 14 and larger are cast with.

In this type of valve stem threads are exposed to the flow medium. There is no upward movement of the stem in a non rising stem type.