According to the market demand, we produce marketable hdpe pipe electrofusion reducer, UPVC Vanstone Flange, poly pipe end caps. We welcome customers from all over the world to negotiate with us. Through technological progress and the application of a series of advanced production management methods, the company has ensured that the company's products are top-quality products. With strict management, strong execution, coordinated teamwork, labor efficiency and per capita efficiency, we have reached the domestic advanced level. We take "hard work, self-improvement, advancing with the times and scientific development" as our enterprise spirit. The company will rely on serious research, responsible and practical attitude, adhering to the scientific research spirit of advancing with the times and pushing out new ideas, constantly complete the renewal of its products, and continue to form the core competitiveness based on the market.

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.

Over the years, we have quickly seized the High Quality HDPE Pipe Fitting Flange Cast Iron Plate Flange market with high quality and perfect services. Now our brand has become a guarantee of strength and quality. We have always implemented the quality marketing strategy, insisted on relying on service and aiming at customer satisfaction, and placed ourselves in a higher and broader development space. The advanced corporate culture concept of the company has set up the spiritual flag of modern development and shaped the soul of modern, which will eventually lead and promote the company to move forward steadily in the established direction.

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