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QLV
Fittings according to British standard - stubs.
Serrated face stub with solvent weld socket, for use with stubs QLV and flat gaskets QHV/X and QHV/Y (QHV/Y only when coupling to ISO/DIN “ODV and ODB” flanges).
Series of fittings for pipes conveying fluids under pressure with solvent weld and threaded joints according to British Standard.