FAP Lined Strainers, Sight Glass & Bellows

We manufacture lined Y-type and basket strainers, lined sight flow indicators and FAP expansion bellows to complete a corrosion-resistant piping system.

Lined Y-type and basket strainers are available from 25 NB to 150 NB, with face-to-face lengths from 160 mm to 480 mm.

Lined sight flow indicators use toughened or borosilicate glass and are available in double window and full view types, from 25 NB to 200 NB.

FAP expansion bellows are made of virgin FAP and are mainly used where vibration, shock and continuous expansion are present. They are available from 25 NB to 250 NB and in various lengths.

Lining options are PFA, FEP, PVDF, HDPE and PP, with a minimum lining thickness of 3 mm. Expansion bellows are lined with FAP.

FAP and PFA are suitable up to 200°C, FEP up to 160°C, PVDF up to 130°C, PP up to 90°C and HDPE up to 70°C.

Y-type strainers and sight flow indicators have bodies in DI, ASTM A216 GR WCB, CF8 or CF8M. Fabricated bodies use IS 2062, ASTM A105, SS304 or SS316 for the flange, and carbon steel or stainless steel for the pipe.

Flange connections are as per ANSI B16.5, #150 or as per customer requirement. Strainers and sight flow indicators are hydraulically tested on the body at 15 kg/cm², and all items are spark tested at 15 KVDC.

Yes. Special finishes, non-standard dimensions and custom requirements can be considered as per your application needs. Please share your drawing or requirement with us.

Choose based on the chemical and its concentration, operating temperature, pressure, line size and connection type. Share your details with us and we will help you select the right lining and product.