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.

Non rising stem gate valve drawing.

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. Symbols for isometric drawings. In this type of valve stem threads are exposed to the flow medium. Non rising stem gate valve part names.

Non rising stem gate valves are recommended when positive shutoff is required and where space is a premium. You can see the image. 2300 series resilient wedge gate valves form 12661 installation preparation checklist form 11624. The disc travels along the stem like a nut when the stem is rotated.

The iron body bronze mounted ibbm valve has a bolted bonnet and non rising stem. Non rising stem gate valve or insider screw valve. There is no upward movement of the stem in a non rising stem type. 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.

The protected sealings and high quality materials bring about a great performance and a long service life. Fabrication of pipe systems. Symbols for heat exchangers on pid. 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.

All valves 14 and larger are cast with. Non rising stem nrs triple o ring seal stuffing box 2 above the thrust collar and 1 below.