Specification for Drill String Non-return Valves, First Edition, Includes Addendum 1 (2019)

Published by	Publication Date	Number of Pages
API	07/01/2006	26

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Category: API

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API Spec 7NRV (R2020) – Specification for Drill String Non-return Valves, First Edition, Includes Addendum 1 (2019)

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.

Product Details

Edition:: 1st
Published:: 07/01/2006
Number of Pages:: 26
File Size:: 1 file , 520 KB
Product Code(s):: G7NRV01, G7NRV01C, G7NRV01, G7NRV01C, G7NRV01, G7NRV01C
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