Rubber Piston Cups

Head seals are a more reliable alternative to the standard o ring backup ring combination they resist twisting.

Rubber piston cups.

They are capable of withstanding relatively high pressures and shock loads. Piston cups seal on their outer lip and are held in place by a follower plate. These are designed for pneumatic or low pressure hydraulic applications. Piston cups can be furnished with or without center holes.

Find v rings u cups piston cups at msc industrial supply serving the metalworking safety and mro industries for over 75 years. Mfp seals also produced a line of double acting piston cups pcd piston cups that replace multi part assemblies. Housings are usually quite simple which makes them economical to install. Piston cups piston cup seals are used on rams or plungers in both hydraulic and pneumatic applications.

Also known as lip seals u cups have a sealing lip on both the inside and outside edges so they can be used for rod and piston sealing. Hi tech seals also stocks edbro and renn piston cups in unique sizes. Moulded cups are a form of automatic packing which are popular as a piston seal for both single and double acting cylinders. Wear rings have high compressive strength and load bearing capabilities.

Standard fabric rubber cups are available in 500 700 and 800 series. To maximize product availability hi tech seals piston cups do not come with a pre cut bolt hole. Rod wipers scrape dirt dust and moisture from the rod preventing contamination inside your cylinder. Ct style piston cups designed for low pressure applications that can withstand pressure up to 150 psi temperatures from 40 f to 220 f and speeds of 3 ft second.

Our machining department is equipped to quickly cut the appropriate hole size for your application. Piston cups are primarily used on piston heads rams and plungers in pneumatic or hydraulic service. To obtain the best results from any style of piston cup it is recommended that the piston properly support the heel of the cup. All seals is a world leader in supply of high quality o rings seals engineered rubber and plastic products which serves the sealing needs of clients since 1958.

Homogeneous rubber is bonded to a metal disc only one part is required the most practical piston cup available. Nitrile fabric reinforced and urethane wear rings. Dapc style double acting piston cups. Rod seals maintain the pressure inside cylinders and prevent fluid from leaking out.