METER RISERS

Flexible gas risers

Semi-rigid gas risers

 





 


  

 


A series of flexible and semi-rigid gas risers for the natural gas

and LP market.

 

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Technical Information:

RISER CODE:

Defines type of construction of product

 

PE CODE:

Defines the size of O.D. Gas Service being used

 

PF WALL CODE:

Defines the wall thickness of PE gas service being used

 

MPT CODE:

Defines the type of male thread being used to attach riser into meter set or regulator

 

RIGID CODE:

Optional code only used in conjunction with riser code if “RXR” is used. This code defines the amount of rigid pipe to be used

 

FLEX CODE:

Defines the length of flexible hose to be used

 

LINER CODE:

Optional code, only to be used if liner is needed

 

FINISH CODE:

Defines the finish of service head adapter and or rigid riser

 

D.O.T. 192 Certification:

FITTINGS FOR USE ON POLYETHELENE PIPE AND TUBING

GAS DISTRIBUTION SYSTEMS

 

SECTION 1

Chicago Fittings Corporation certifies that all Sealastic Gas Fittings with integral stiffeners manufactured after July 1, 1980, when installed per our installation instructions will meet all requirements under D.O.T. 192.283(b).

 

SECTION 2

Chicago Fittings Corporation certifies that all Sealastic and Tec-Line gas fittings manufactured after July1, 1980, with loose stiffeners manufactured by or approved by Chicago Fittings Corporation for the specific application and installed per our installation instructions will meet all requirements under D.O.T. 192.283(b). However, in cases where we do not approve the stiffener, it is the

responsibility of the operating utility to test as per D.O.T. 192.283(b).

 

A. Material

 

 

A.1 Bodies

 

 

A.1.1 Tubing AISI C1013

A.1.2 Bar AISI C12L14, C1213, C1215

A.1.3 Bar CDA836 85-5-5-5 Bronze

A.1.4 Forging AISI C1213, C12L14, C1215

A.1.5 Casting ASTM A197 Malleable Iron

 

A.2 Nuts

 

A.2.1 Bar AISI C12L14

A.2.2 Bar CDA836 85-5-5-5 Bronze

A.2.3 Casting ASTM A197 Malleable Iron

 

A.3 Retainer Cups

 

A.3.1 Cold Rolled Strip

 

A.4 Seals

 

A.4.1 Seals shall be a Buna-N compounded material that will resist deterioration from age or exposure to air under normal storage conditions. The rubber in the seal shall meet the following specifications:

Color:Jet Black Surface: Nonblooming

Durometer: 75+/-5 Tnsl Strength: 1500psi min.

Elongation: 150% min.

The seal will resist deterioration from impurities normally found in natural gas such as odorants, liquid hydrocarbons, carbon dioxide and water.

 

A.5 Ferrule

 

 

A.6 Insulators, Plastic

 

 

A.7.1 Testing

 

 

B. Torque Recommendation

 

B.1.1 Bottoming Sealastic and Tec-Line Nuts "M" Designation. No measurement of torque or turns required - tighten until nut is metal to metal with shoulder of fitting.

B.1.2 Sealastic and Tec-Line on steel pipe:

 

IPS Size

 

1/2"

3/4"

1"

1-1/4"

1-1/2"

2"

 

Wrench

Length

 

14"

14"

16"

18"

24"

24"

 

In each case, a pull of about 75 lbs should be applied to the end of the wrench. When pipe movement out of the coupling or fitting might occur, proper anchorage of the pipe must be provided.