100% COMPLIANT TO DOT 192.281(e) - ASTM F1948 CATEGORY 1 Meeting all requirements of the Category 1 Code of Federal Regulations, Dresser has introduced an enhanced design upgrade of the Style 711 seal & restraining coupling product line. The combination of components on the compression end(s) of the Style 711 product design results in a pressure seal while the metallic gripping mechanism locks the pipe against pull-out providing a complete seal and restraining connection. Insert stiffeners for PE pipe in all SDR sizes commonly used in natural gas piping systems can be furnished by Dresser. Pipe inserts are color-coded to assist with the identification of proper SDR. Style 711 couplings offer the convenience of an assembled stab product, essentially eliminating the component disassembly while helping to ensure proper installation. The Style 711 coupling is supplied with AL-CLADTM epoxy coating as standard. Applied under rigidly controlled factory conditions, this coating offers quality and integrity unlike any field-applied coating.
Our Style 711 Bolted Couplings meet ALL requirements of the CAT 1 Code of Federal Regulations.
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