There are two different types of stems for gate valves.
Nrs gate valve position indicator.
Non rising stem nrs gate valve with position indicator nfb50pi.
Buried service telescopic extension stem.
The first is the rising system and the second is the non rising system.
Post indicator gate valve awwa c515 di nrs ul fm model 2010 piv 3 24 ul fm post indicator united model 2010 piv awwa resilient seated gate valves offer state of the art design and construction and may be used in a variety of applications for water works and fire protection service.
Series 405 nrs rw nrs flanged gate valves are used in irrigation and water distribution services.
Buried service square extension stem.
Maximum pressure is 200psi 13 8 bar cwp.
The second is employed by the ul fm gate valve 200 psi nrs.
Buried service round extension stems.
Non rising stem nrs gate valve with position indicator nfb50pi.
Our nrs non rising stem gate valves with post flanges are designed to be used in combination with our vertical post indicators.
These non rising stem gate valves are used primarily to control water flow in sprinkler systems.
If you are not familiar with our valve position indicators click here to see our brochure.
Nfb50pi 0200 nfb50pi 0250 nfb50pi 0300 nfb50pi 0400 nfb50pi 0500 nfb50pi 0600 nfb50pi 0800.