Terms of Use

General Infomation G-0005

Procedure of Tightening of Bolts and Nuts for Flanges for Reassembling [1] /[2]


 

The following is the procedure for tightening bolts and nuts for flanges for flowmeters and level meters.

 

1. Applicable types and positions

 

Flowmeters

 

Direct Indicating, metal tube type variable
area flowmeter
A-10□, A-75□
Metal tube type variable area flowmeter M-20□, M-40□, M-31□, M-52□, M-69□, M-74□
Metal tube type variable area flowmeter AM-140□, AM-131□, AM-152□, AM-169□, AM-174□

 

Tightening of upper flanges Assembling of reducers
Tightening of upper flanges Assembling of reducers

 

Level meters

Float type level switch FR-6000
Displacer type level switch FS-100

2. Applicable material

Assembling of level switch and external chamber
Assembling of level switch and external chamber
Flange Carbon steel and/or Stainless steel
Bolts and nuts SS400, SUS304, SNB7/S45C

 

 

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