We combine scientific research and production, thus promoting the progress of science and technology, and opening up the market prospects of our UPVC Ball Valve, HDPE 45 degree tee, hdpe male socket. With the sense of sincere cooperation and the mind of embracing all rivers, we are able to make peace with old and new friends from all walks of life. We grasp the market opportunities, respect the objective laws of the market, work in a pragmatic way, to maximize the benefits of the first standard. Our company strives for survival by quality and development by reputation. The requirements of users are our goal, and the satisfaction of users is our wish. We will, as always, work with you to create brilliance together, and we are sincerely waiting for your visit. We provide customers with professional technical guidance training, installation and debugging, etc. to localize quality after-sales service.

HDPE Fittings, Steel Backup flange, Steel Backing Rings, HDPE backing flange, HDPE backup flange, HDPE slip on flange, GI Backing Rings

HDPE Backup Flange, also called HDPE Backing Flange, are used in conjunction with "HDPE flange adaptor". The steel backup Flange is slipped over the pipe, prior to the stub end being welded on.

The HDPE flange adaptor forms the seal against the nozzle / Valve / flange etc that it is meeting. The HDPE backing flange is free to rotate until such time as it is bolted up.

SUNPLAST HDPE Backup flange can be supplied in diameters ranging from 50mm to 1200mm in PN10 & PN16. They are forged by carbon steel material or stainless steel material, be drilled into EN1092 standard, the HDPE backing flange made by carbon steel can also be coated by PP material or galvanization in surface, to prevent them from rusting.

SUNPLAST keeps mass stock in demand for regular sizes, and customers’ urgent demand & prompt shipment request can be satisfied.

More brief details as below:

Product Specifications

Steel Backup Flange: available from DN50mm ~DN1200mm

Pressure: PN10 & PN16

Material: Carbon steel or Stainless steel

Surface Finish: PP coated or galvanization

Standard: EN1092

EN1092 Standard HDPE backing flange - PN10

(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)

EN1092 Standard HDPE backing flange - PN16

(Noted: the technical data is just for reference, some data may change, if you need exact data, then please contact us directly)

Our Product Range

SUNPLAST is a professional manufacturer of HDPE fittings over 20 years in China, and here in SUNPLAST, all customers can find the best solution of fittings for their pipeline systems.

SUNPLAST HDPE butt fusion fittings can be supplied in a diameter ranging from dn50 to dn800mm in both SDR11 & SDR17, with regular types: HDPE end caps, HDPE reducer, HDPE 90 degree elbow, HDPE 45 degree elbow, HDPE 22.5 degree elbow, HDPE equal tee, HDPE reducing tee, HDPE flange adaptor, G.I. backing rings.,etc

Contact Us

If you have any requirements on HDPE fittings, or any question on our fittings, please contact us freely. SUNPLAST has well trained staff who are available to address your needs and provide technical support to all sectors when needed.

Continuous development and meeting customer needs are our eternal pursuit. In the current global economic integration and increasingly fierce market competition, we will continue to uphold the pragmatic and innovative entrepreneurial spirit to provide customers with high-quality Qingdao Vortex 2015 Backup Flange and services. We attach importance to strengthening our own strategic partner advantages, actively participate in trade cooperation, and have developed long-term solid development and project cooperation with many well-known enterprises and many countries, and established good strategic partnership. We are a company that has been open for many years and we have been operating with good faith and credibility.

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