CMD ball check valves are offered in front and side discharge styles. These valves are very popular when even faster shut off response is desired.

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ADVANTAGES OF CMD BALL CHECK VALVES

Our front discharge ball check is our most popular and economical ball check. It has great shutoff characteristics. The ball seats very rapidly at the beginning of the injection stroke. Click here to see a picture of a front discharge assembly.

The side discharge ball check is our fastest shut off ball check valve. It also has excellent self-cleaning characteristics. The plastic flow surfaces are "washed" by the plastic flow so there are no melt stagnation areas. Click here to see a picture of a side discharge assembly.

CMD valves are constructed of high quality H13 tool steel. This steel, while wear resistant, has an exceptional ability to absorb twisting and bending without fracturing. The ball seat is constructed of a high chromium tool steel selected for its high wear resistance. This seat is guaranteed against wear. If it should ever become worn or leak, CMD will replace it without charge.

Plastic flow surfaces are highly polished; the mating surfaces are precision ground for close fit to the screw and barrel.

CMD ball check valves can be purchased with an expandable seal mounted in a groove in the outer sealing surface of the valve. The ring will expand slightly to effectively seal any gap between the valve and the barrel surface caused by barrel wear. The seal ring is highly effective for extending the life of a worn barrel.

For maximum shutoff, CMD offers a special guided ball insert for front discharge style ball check valves. For more information, click here to go to our Specialty and Custom Valves page.

CMD can provide a wide variety of special materials and coatings for increased wear and corrosion resistance. For more information, click here to go to our Specialty and Custom Valves page.

CMD maintains an extensive inventory of ball check valves ready for immediate shipment for same day or next day delivery. CMD's modern manufacturing facilities permit rapid response to special requirements. We specialize in large valves, and valves for hard to find machines.

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