Our company strictly controls the quality, improves the product quality, and sets reasonable price based on the market. PVC Faucet Flanged Tee, UPVC Reducer, PVC Union has been widely praised by customers. Our company will put excellent products on the market and sincerely cooperate with new and old customers with honest service. With the mode of excellent quality and win-win cooperation, adhering to the business philosophy of seeking development through innovation and taking customer demand as our responsibility, we have realized the people-oriented enterprise culture and become the ideal partner of customers. Our pursuit and company intention is usually to 'Always fulfill our purchaser requirements'. We will continue to increase R & D investment, strengthen quality management and improve service quality.

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.

Through active cooperation, strict quality control and perfect after-sales service, customers can enjoy our Hot DIP Galvanized Steel Backing Ring and feel our professionalism at the same time. The company has strengthened the construction of the business management information system, thoroughly unified the product information, and greatly improved the inventory accuracy rate. We take every job in hand seriously and analyze the actual situation deeply and specifically, and we identify problems and find solutions.

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