Dultmeier Sales will be closed Thursday, November 25th and Friday, November 26th in observance of Thanksgiving

Dultmeier Sales will be closed Friday, December 24th.
Normal operations will resume Monday, December 27th. We wish you and your family a very Merry Christmas!

Dultmeier Sales will be closed Friday, December 31st in observance of
New Year's Day

Dultmeier Sales will be closed Monday, July 5th in observance of Independence Day.
Normal operations will resume Tuesday, July 6th. We wish you a happy 4th of July!!

We are experiencing some technical difficulties on dultmeier.com and apologize for any inconvenience.
If you are running into issues, please phone your order in to 1-888-677-5054

Customer Pickup Orders: to help reduce exposure for our customers and our employees, if you are placing an order for in-store pickup please call in your order ahead of time or place your order online and pre-pay with a credit card. Be sure to let us know when you plan to arrive. We will have your merchandise ready for you and will greet you outside our facility. Thank you for your help!

Back-Up Rings for HDPE Pipe Fittings, 304 Stainless

These 304 stainless-steel back-up rings are designed for use in a variety of pipeline applications, including with HDPE butt fusion flange adapters. Sliding behind the collar of the flange adapter, they allow a variety of actuated valves and other butt fusion transition fittings to be securely installed within the pipeline. Their stainless-steel construction means they have excellent heat, corrosion, and chemical resistance. They bolt to other inline back-up rings or anchoring points. Great for use in countless applications!

Fields of Application:
  • Agriculture and irrigation
  • Water transfer
  • Process Cooling Water
  • Industrial Water Treatment
  • Bulk Water Distribution
  • Fertilizer/chemical transfer
  • Pharmaceutical Manufacturing
  • Pulp and Paper Manufacturing
  • HVAC
  • Mining
  • Landfill
  • Power Generation
  • Semiconductor

Standard Features:
  • Robust mechanical strength
  • High heat resistance
  • High impact resistance at very low temperatures
  • Excellent abrasion, corrosion, and chemical resistance
  • Ease of installation
  • Excellent cost to performance ratio

Item Description Quantity Availability

Unit Price: $26.50/EA


Unit Price: $49.70/EA

In Stock

Unit Price: $84.25/EA

In Stock

Unit Price: $112.00/EA

In Stock

Unit Price: $126.00/EA

Expected to ship
Between 12/8 & 12/21

Unit Price: $172.00/EA