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Leak Proof the pioneer and leading manufacturer of mechanical seals and sealing systems were established in1973.


With the complete range of standard mechanical seals, API 682 seals, sealing systems, and allied products we have an enviable reputation for reliable sealing products. The latest addition to our product range is the 180 bar high-pressure seal ever developed so far in the world. Products:


l API 682 seals

l Concrete Volute pump seals

l Agitated Nutsche filter seals

l Dry Gas seals

I Split seals

l Metal Bellow seals

l Sundyne pump seals

l Turbine pump seals

l Special high pressure seals

l Agitator seals

l API sealing systems

l Segmented carbon sealing rings

l Rotary Joints

l Flexible Graphite gaskets and packing



Faces:- Carbon-R, Carbon-M, Lecrolloy, Ceramic, Tungsten carbide, Silicon carbide, Lecarb.

Secondary seals:- Nitrile, Silicone, EPDM, Viton, Kalrez, PTFE, Flexible graphite.

Hardware:- SS 304, SS 316, Duplex SS, Alloy-20, Hastelloy C, Hastelloy B, Monel, C-42, AM350, Inconel 718.

Springs:- SS 316, Hastelloy C.


Applicable range

• Maximum size manufactured till date 512 mm

• Maximum pressure up to 180 bar

• Maximum temperature +4000 C