National

Grooved Coupling And Fittings , Threaded Fittings, Stainless Steel Threaded Fittings, Ball Valve Manufacturer in Coimbatore.

Grooved Pipe Coupling Manufacturers

National offers Ball Valves with innovative features and a reliable production engineering to meet he demanding requirements of the intended applications. All wetted parts are produced from investment castings thru in house lost wax process foundry. All valves are tested under pressure.

Product Features

• Broader Range
• Quarter turn for ease of operation with the handle indicating valve position.
• Double spring washers to compensate for normal wear and temperature variations on stem sealing.
• Compact-design
• Safe blow-out proof stem
• Smooth two-way flows
• Floating ball designed to seal on the down stream side against a resilient seat
• Wiping action of the seat design cleans foreign material off seat and ball and assures leak tight…

Grooved Fittings For Fire Fighting System

The National Brand pipe fittings threads are machined according to the highly accurate American or British standards. It is difficult to label either type thread for fittings as more desirable in practice. The National Brand can deliver fittings with either parallel or taper threading upon client specifications or requirements. Elaborate chamfering of the threaded end allows the pipe fitting to be attached to the pipe easily and smoothly. Breakage around the joint is exceedingly rare.

In addition to threaded fittings, we can also offer fittings for socket weld applications in 90 O Elbow, 45 O Elbow, Tee, Crossed, Caps, Reducing Tee, Reducing Elbow, Union and Couplings. …

Grooved Pipe Fittings Manufacturer

National fittings has been a manufacturer of components for grooved piping system with innovative design, economical production practices, acceptable quality controls and service oriented marketing to the international markets. ‘National’ brand grooved products are well accepted in most countries.

National Grooved piping system is reliable and is faster to install than welding, threading or flanging, resulting in lowest installed cost. It can be adopted to suit standard pipe with cut grooves or standard and light wall pipe with rolled grooves. Triple sealing of the C-shaped pressure responsive gasket is made from specially compounded rubbers with low compression set property. Couplings perform equally well under pressure and vacuum. Couplings with Tri-seal gaskets are highly suitable for higher vacuum service and dry systems subject to freezing. Couplings are available for flexible and rigid system. …