Non Return Valves By Mondal Brothers

Our offered Non Return Valves are mainly used in water line to control the flow of water. It help the water to flow in one direction. It stop the flow automatically when it goes to opposite direction. These type of vales operate automatically there is no need of human effort. These valves generally designed to IS 5312 Part I/2004 PN-1.6 Pr. Rating, standards for dimensions. All materials of construction and constructional features shall be strictly follow as per the need of the customer. The speciality of this product is we attached two additional G.M Bush at the end of both side of Hinge Pin. By that the Products are more Long-lasting. As per our capacity we produce 50MM Dia a 350MM Dia Valves. Our production capacity is 100-150 Piece in a month.

Materials of construction we used in our product :-
A. Body, Bonnet, Door : Cast Iron to IS:210 Gr.Fg.200. Or Ductile Iron.
A. Seat Rings of Body : Leaded Tin Bronze to IS:318 LTB 2. Or S.S. AISI-304
A. Flap Ring(For Metal to Metal) : Leaded Tin Bronze to IS:318 LTB 2. Or S.S. AISI-304
A. Flap Rubber(For Rubber Seated) : Rubber, IS:638 Type-B.
A. Flap Plate(For Rubber Seated) : S.S. AISI-304
A. Hinge Pin : 13% Cr. S.S. AISI-410.
A. Bush : Leaded Tin Bronze to IS:318 LTB 2.
A. Gasket : Rubber, IS:638 Type-B.
A. Bolts & Nuts : Carbon Steel to IS:1367 CL-4.6 & 4.0.

We offer these Non Return Valves at most affordable prices to our precious customers.