Flange adaptors machined from extruded hollow bar, there is no voids problem on the taper part.
Full face flange adaptor drilled with holes with different backing ring standard are available.
Smart Joint also offer a full package of backing rings suits with HDPE flange adapters, with material Q235 steel, ductil iron, stainless steel, PP coated-steel, PP fiber.
Long Spigot Flange Stub 
Short Stub End
Full Face flange adaptor 
IPS/DIPS MJ Adaptors
Brand Introduction
We are manufacturer of HDPE pipe, HDPE fittings and fusion machinery since 1992. With around 30 years’ experience in this industry, with innovation and strong team in R&D, smart joint aims to provide a full solution for the PE pipe joints.
We are a fully-fledged ISO certified company. Smart Joint produce a full range of HDPE/PERT fittings in both metric and inch sizes up to 63" and 2000mm.These years, we made great effort in non pressure derating customized large PE fittings development. Products exported to USA, Canada, Latin America, Australia, South Africa, Peru,Asian, and African countries ect.
With watermark,WRAS, NSF ceritificate, products are welcomed by more customers. Rich experience to cooperate with pipe factories, partners for EPC projects and offer a one-stop solution with full packages HDPE joints solutions for the water supply, nuclear power plant, oiling&gas, district heating, mining, water treatment, sea desalination projects ect.
Besides as a joint solution supplier, we have our own construction team, with rich experience in gas, water, piping installation and pipe relining project, we can offer suggestions in how to get the most economic joint solution.
Long Spigot Flange Stub 
Short Stub End
Full Face flange adaptor 
IPS/DIPS MJ Adaptors