SY/T 5525-1992
Rotary Drilling Equipment Upper and Lower Kelly Plug Valves (English Version)

Standard No.

SY/T 5525-1992

Language

Chinese, Available in English version

Release Date

1992

Published By

Professional Standard - Petroleum

Status

Be replaced 2010-05

Replace By

SY/T 5525-2009

Latest

SY/T 5525-2020

Scope

This standard specifies the type, specifications and main dimensions, technical requirements, test methods, inspection rules, marking, packaging and transportation of kelly plug valves. This standard applies to manual kelly plug valves.

SY/T 5525-1992 history

• 2020 SY/T 5525-2020 Oil and gas drilling equipment rotary drilling equipment upper and lower kelly plug valves
• 2009 SY/T 5525-2009 The upper and lower kelly cock of the rotary equipment on drilling industry
• 1992 SY/T 5525-1992 Rotary Drilling Equipment Upper and Lower Kelly Plug Valves