Retain Ring Flange is used for heavy wall pipe and has a machined butt end face, along with an annular groove on the outside diameter. It is normally used for very high pressures and larger pipe sizes.
After machining or pipe grooving, the flange is slipped onto the pipe and a retain ring (which consists of a segmented stainless steel ring bound by a spiral wound stainless steel spring) is sprung over the pipe’s outside diameter nesting in the annular groove.
The flanges can be rotated prior to bolting thus eliminating the need to be concerned about the axis of the pipe on which the fitter aligns the flange holes. At times, it also allows the flange cap screws to be installed in more confined spaces. Learn more on how pipe is grooved
Retain Ring Flange system is used for pipe sizes ranging from 1-1/2” through 10” are available for use with pressures up to 6000 psi. The standard connection styles offered conform to SAE Cd 61 (ISO 6162 -1), SAE Cd 62 (ISO 6162-2), ISO 6164 4-bolt flanges along with TMI® 8-bolt, 9-bolt proprietary flanges. Other flange patterns may also be available. TMI has in-house developed portable Grooving machine to meet the required standard of grooving needed for retain ring flange system. Grooving machine operator needs basic training to operate the equipment which will be provided by our installation team. Learn more about the grooving machine
Retain Ring Flange is extensively used in Hydraulic Applications in many industries
Please refer to its applications in
- Automotive Testing
- Locomotive Testing
- Aerospace Testing
- Seismic Testing
- Wind Turbine Testing
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