Fiberglass Manhole Covers
View Specialized Co. for Plastic Industries (S&M) on TEKEN44Plastic manholes are available with an extension ring. This product is heavy-duty, smooth from inside thus reduces the chances of having insects. The manhole outlets are in different sizes and can be closed with the end cap to accommodate the customer needs. The extension rings come with a sealing ring to guarantee to have no leakages or bad smells coming out of it.
EN 1401-1
Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: Specifications for pipes, fittings and the system
DIN 8061
Unplasticized polyvinyl chloride (PVC-U) pipes - G...
DIN 53457
TESTING OF PLASTICS; DETERMINATION OF THE ELASTIC ...
BS 3505
Specification for Unplasticized Polyvinyl Chloride...
BS 4660
Thermoplastics ancillary fittings of nominal sizes...
BS 5481
Unplasticized PVC Pipe and Fittings for Gravity Se...
ASTM D1785
Standard Specification for Poly(Vinyl Chloride) (P...
ASTM D638
Standard Test Method for Tensile Properties of Plastics
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