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Welding Chemical Injection

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The Chemical injector and Sampler are the end devices of the chemical injection system or the piping medium sampling system. Periodically injecting chemical inhibitors into the pipeline is the most practical way for minimizing or controlling corrosion, which requires chemical injectors. EMT injection System for easy, reliable access inhibitors can be injected under operating pressure safety.

Basic Data

The mounting types have a 2” flange, 2” farewell access fitting, and 1” NPT welded base.

Operation Temperature: -20℃~150℃

Pressure Rating: 2500 Psi or as Flange Size. (Retractable chemical injectors are 2000 Psi ).

Chemical Injection
Access Fitting Body

Model Table

SI Sampling & Injection Systems

 

Code

Plug Body

 

Pxxx

Type

Material

Sealing Material

 

0

No Request

0

CS

0

No Request

 

1

Hollow Plug Body

1

316SS

1

Viton O-Ring / PTFE Primary Packing

 

2

Solid Plug Body

2

316LSS

2

HNBR

 
  

3

DUPLEX SS

   
 

Code

Injection Nut

 

Nxx

Connection Size

Material

 

0

No Request

0

CS

 

1

1/4″

1

316SS

 

2

1/2″

2

316LSS

 
   

3

DUPLEX SS

 
 

Code

Injection Tube

 

Sxxx-Lx″

Connection Size

Material

Nozzle

Line size(x″)

 

0

No Request

0

CS

0

No Request

The most effective position for injection is generally at the center of the pipe

 

1

1/4″

1

316SS

1

Open

2

1/2″

2

316LSS

2

Quill

    

3

Cap & Core

 

Code

Nipple and Valve(or end Flange)of Tee

 

Txx

Connection Size

Material

 

0

No Request

0

CS

 

1

1/4″

1

316SS

 

2

1/2″

2

316LSS

 

3

3/4″

3

DUPLEX SS

 

4

1″

   

For Example EMT-SI-P221-N12-S122-L4″-T22

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