Articles Rubber Neck Gaskets PMTD And The Covers For Them

Rubber Neck Gaskets PMTD And The Covers For Them

With the crossings under the railway roads and highways, other utility facilities, there is a need to protect the main pipelines. Rubber Neck Gaskets PMTD can successfully fulfill this function and provide a reliable sealing between a pipe and the casing.

PMTD Types

The product is manufacture for the pipelines with a diameter of 57 - 1,420 mm. The diameter of the casing is within the range of 219 - 1,720 mm. This protective device can be used in any climatic zones at –40 - +60°С. PMTD can be of the following types:
  • separable cone-shaped (additional label for it is R). It has a truncated cone shape, 2 ring areas and lengthwise cone joint. It is connected with a clay of 88НП and 88СА brands;
  • non-separable cone-shaped (no additional labeling). It is similar to the previous product. It has no joint and is connected with straps;
  • pressed gofferred (additional label for it is GP). Its shape is a gofferred ring. It is connected with zap-straps;
  • cone-shaped with the holes for telecommunication cables (additional label for it is OKS). It is truncated cone-shaped with ring areas. A bend (one or several ones) together with the gasket is considered to be one construction.
It is fixed with zap-straps. Gofferred rubber products PMTD-GP-OKS with a bend are also manufactured.

Cover for a Neck Gasket

To protect the neck gasket from damages, a special protective cover for a fiber glass water-tight neck gasket UZMG is manufactured. Casing and flanges for rubber neck gasket cover are molded from fiber glass saturated with polyester resin; a ring is made from a spiral composite sleeve. When assembled, the ring is glued. The gaskets are made from needle punched non-woven fabric, the zap-straps are made from 12Х18Н9Т steel grade. The fixing is coated with an anti-corrosion substance. The housing is sewn with a synthetic thread on industrial sewing machines. When contacting with oxygen and water, UZMG does not ignite, explode, is eco- and human health - friendly. When stored, direct light, aggressive media and their vapors must be avoided.
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