AMIT ENGINEERING SYSTEMS

Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


Our Products
 
 

Polypropylene Lined Steel Pipes And Fittings

Pipe & Fitting Specifications
Pipe materials for pipe spools shall conform to one of the material specifications described below in accordance with the customer's piping specifications :
*
Mild Steel Pipes as per IS 1239 Medium/ Heavy duty upto 150 NB & above 150 NB as per IS 3589, 5.00 MM Thick KS D3507 SPP or D3562 SPPS, ERW pipe
*
Carbon steel pipe, ASTM 53 Gr.B or ASTM A106 Gr.B
ERW and seamless pipe, size from 1 to 16
Other required pipe materials such as API pipe, stainless steel or alloy steel pipes would be available to meet service conditions and should be referred to us.
 
Flange Specifications
Flanges confirming to ANSI / BS10 / DIN or any other international standard will be supplied in Mild steel, Carbon steel, Stainless Steel.
Standard flanges are Slip-on type and Lap-joint type flanges and will be provided if requested at the time of making an offer.
PP Liner Specifications

The polymer resin shall meet the STM Standard Specifications and our standard PP liners are unpigmented and natural white color. The colored liners are available if specially requested.

The standard thickness of PP liners are as shown on the table below:

Standard Liner Thickness

Nominal Pipe Size

  Liner Thickness(Min.) 

Inch

Millimeter

Inch

Millimeter

1

25

0.150

3.8

1-1/2

40

0.150

3.8

2

50

0.177

4.5

2-1/2

65

0.177

4.5

3

80

0.177

4.5

4

100

0.209

5.3

5

125

0.236

6.0

6

150

0.240

6.1

8

200

0.283

7.2

10

250

0.283

7.2

12

300

0.283

7.2

 
Fitting Availability
Standard fittings include 90°C Elbow, 45°C Elbow, Reducing 90°C Elbow, Equal Tees, Reducing Tees, Instrument Tees, Concentric Reducers, Eccentric Reducers, Laterals and Cross for 1" (25mm NB) through 8"(200 mm NB) diameter.

Non - standard fittings such as double and triple branch tees, other special shapes are available per the customer's requirements.
Testing and Inspection
All lined pipe and fittings are subjected to 10-15 KV ( SPARK TESTING) non-destructive electrostatic test which is carried out to detect any defects in the liner such as pin holes, porosity, cracks, etc.
According to the customer's request, hydrostatic testing will be carried out at room temperature using clean water.
All lined pipe and fittings are subjected to the visual inspection to detect any defects such as
liner surface cracks, deformation, outside paint coating, etc.
Storage and Handling Requirements
PP lined fittings shall be stored in a shaded area on wooden supports.
Wooden or plastic end protectors are used to protect the PP lined sealing faces of flanged fittings. End protectors should stay in place until immediately prior to installation.
Flange sealing surfaces shall be protected carefully and free from defects to eliminate any leakages when the lined pipe and fittings are assembled at site
Avoid dropping or impacting lined pipe and fittings with heavy objects or storing near high traffic areas..
PLC (HMI) FOR SOFTENING PLANT
AT ESSAR STEEL Ltd. At BLAST
Polyprolene Lined Steel Pipes And Fittings
 
Polyprolene Lined Steel Pipes And Fittings