Casting process: Precision Investment Casting
Casting Metal: Stainless Steel 316, CF8M.
Backup Ring Rate: SDR7, SDR11
Backup Rings castings Size: 2″ to 18″, big size is available too.

backup ring Also named ductile iron convoluted flange or back up ring. IPS bolt ring is designed for HDPE flange adapters.
Mateiral: ductile iron A536 65-45-12 or ASTM A351 CF8M( SS316).
Surface Finish optional for ductile iron Bolt Rings: Red prime paint/Epoxy Coating/E-coating/Glavernizaiton.
Designed per ASME/ANSI B16.5, B16.47 ser. A CL150, B16.1 CL125, AWWA C207 B/D/E.
IPS Bolt Rings
IPS Bolt Rings
Working Pressure: SDR7/ 276PIS.
Flange size: 1 1/2″-24″.

Stainless Steel Backup Rings

Pls contact with us for further details of IPS BOLT RING products.

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Our Services

Sand Casting
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.
Investment Casting
also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance
Shell Casting
Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.
CNC Machining
CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.
CAD Design
Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.
Tools/Mold Design
Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.