Pipe Flanges Replaceable Seal System 89 Important Characteristics We now produce and market an innovative range of pipe flanges for fluid systems. Designed for pressures up to 450 bar, flow rates up to 20000 l.p.m. and pipe sizes between 20 and 220 mm outside diameter. They are specifically aimed at the steel, oil, gas and food industries where ease of maintenance features are economically attractive. Seal replacement downtime has been found to be reduced by more than 400%. The ease of maintenance feature involves the ability to remove the seal, which is supported within a special retaining element, and replace it without fully disconnecting or moving the mating flange or runs of pipework as it is typically the case with the standard DIN and CETOP flanges found in heavy pipework systems. There are no comparable products at the high flow end of the range. The flange design has considerable commercial potential in areas where the cost of downtime is very high, such as in offshore industry. The flange can be supplied in any steels to suit the environment including 080M15 (standard), stainless or exotic alloys. As an alternative to tightening the flanges using traditional studs and nuts they can be supplied with a bolt tensioning system that utilizes a hand operated jacking system which enable pre-tensioning of two or more studs at one time, thus alleviating the need for large torque wrenches, spanners etc. which become a big problem when space is at a premium. Designed for pressures up to 450 bar Flow rates up to 20000 lpm Pipe sizes between 20 and 220 mm. Coupling flanges also available Specifically aimed at the steel, oil, gas and food industries where ease of maintenace features are particularly economically attractive.
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