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.
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.
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