Cookies
We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
API SPEC 7NRV-ed.1
Specification for Drill String Non-return Valves
Translate name
STANDARD published on 1.7.2020
The information about the standard:
Designation standards: API SPEC 7NRV-ed.1
Publication date standards: 1.7.2020
SKU: NS-1140450
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: American technical standard
Category: Technical standards API
Annotation of standard text API SPEC 7NRV-ed.1 :
API SPEC 7NRV, 1st Edition, July 10, 2006 - Specification for Drill String Non-return Valves
This standard was formulated to provide the minimum acceptable requirements for Drill String Non-return Valve (NRV) equipment. It covers Drill String Non-return Valves, Non-return Valve Subs, Non-return Valve landing nipples, Non-return Valve Equalizing Heads and all components that establish tolerances and/or clearances which may affect performance or interchangeability of the NRV equipment. Non-return Valve Subs, Non-return Valve landing nipples, Non-return Valve Equalizing Heads and NRVs manufactured by different facilities or manufacturers may be supplied as separate items.
We recommend:
Updating of laws
Do you want to be sure about the validity of used regulations?
We offer you a solution so that you could use valid and updated legislative regulations.
Would you like to get more information? Look at this page.
