Leser rank among the leading manufacturers of safety valves world-wide. The product range comprises a total of 23 valve series, with nominal diameter range DN 10 to 400 - NPS ½" to 16", for applications in all branches of industry.

      Leser safety valves are approved by a large number of inspectorates and classification societies, including TUV, ASME/NB, Stoomwezen, Lloyd's Register, I.S.P.E.S.L.,CBPV1-China, DNV, GL. This ensures their suitability for service world-wide.

      The product range includes full lift safety valves, high pressure valves, clean service valves, PTFE lined valves, change over valves, supplementary loading systems, and valves manufactured to special standards and regulations. Available with flange, flange sealing faces, threaded or special connections which can be supplied to European, American and other standards.

Options include stainless steel bellows, lift stops, test gags, vibration dampers, bursting disc combinations, drain holes, and a variety of valve seats and discs to meet every application