Gas Valve £0.00 Prevents Backward Flows Of Any Liquid Select an option... 50mm Gas Valve (£178.56) 80mm Gas Valve (£185.57) 100mm Gas Valve (£245.40) 150mm Gas Valve (£353.16) Gas Valve quantity Add to cart Category: Product Range Related products Backing Rings and Gaskets £0.00 View product 45Deg Electrofusion Bend £0.00 View product Spool Piece Ductile Iron £0.00 View product