MT/T 662-2007
Spraying nozzle for shearer-Outlet diameters and connecting threads (English Version)

Standard No.

MT/T 662-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Coal

Latest

MT/T 662-2007

Replace

MT/T 662-1997

Scope

This standard specifies the size of the nozzle diameter, the type and size of the connecting thread for spray dust suppression of drum shearers. This standard applies to the threaded nozzles (hereinafter referred to as nozzles) used for spraying dust reduction on drum shearers.

MT/T 662-2007 Referenced Document

• GB/T 192-2003 General purpose metric screw threads--Basic profile
• GB/T 193-2003 General purpose metric screw threads--General plan
• GB/T 196-2003 General purpose metric screw threads--Basic dimensions
• GB/T 197-2003 General purpose metric screw threads--Tolerances
• GB/T 2516-2003 General purpose metric screw threads--Limit deviations
• GB/T 7307-2001 Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads

MT/T 662-2007 history

• 2007 MT/T 662-2007 Spraying nozzle for shearer-Outlet diameters and connecting threads
• 1997 MT/T 662-1997 Spraying nozle for shearer.Outlet diameters and connecting threads