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API Spec 7NRV (R2020)

$72.00 $36.00

Specification for Drill String Non-return Valves, First Edition, Includes Addendum 1 (2019)
standard by American Petroleum Institute, 07/01/2006

Category:

Description

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, G7NRV01C, G7NRV01, G7NRV01C, G7NRV01
Note:
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