Non Rising Stem Gate Valve Drawing

Non rising stem gate valve or insider screw valve.

Non rising stem gate valve drawing.

Fabrication of pipe systems. 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. All valves 14 and larger are cast with. 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.

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. Non rising stem gate valve part names. Symbols for isometric drawings. There is no upward movement of the stem in a non rising stem type.

Symbols for piping arrangements. Drawing 4 12 inch a 2362 all end types 7420 certificate of compliance 2 12 a 2362 resilient wedge gate valves. The iron body bronze mounted ibbm valve has a bolted bonnet and non rising stem. Non rising stem nrs triple o ring seal stuffing box 2 above the thrust collar and 1 below.

Symbols for heat exchangers on pid. The disc travels along the stem like a nut when the stem is rotated. You can see the image. The protected sealings and high quality materials bring about a great performance and a long service life.

The valve disk is threaded internally. In this type of valve stem threads are exposed to the flow medium.