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8" Flex Coupler

SKU
RK-D2280
Call customer service for delivery times
MSRP: $41.00 MSRP: $41.00 Pro Price: $29.00

The 8" Groove Coupler Kit is used to join the grooved end of the Deringer or Magnum Shut Off Valve to a grooved pipe connection. Flexible couplings are intended to accommodate controlled movement at the joint.

A flexible coupling allows the expansion, contraction or deflection from center-line within limits established by the coupling interface with the pipe. Couplings are cast of Ductile Iron meeting ASTM A536 Grade 65-45-12 (tensile-yield-elongation).

The 8" Groove Coupler Kit includes:
  • 8" Groove Coupler
  • Closure Bolts
  • Sealing Gasket

Note: This kit is for the 8" Deringer or Magnum Shut Off Valves only.

Groove Coupler Kit

 

  • Nominal Size: 8"
  • Pipe OD: 8.625"
  • Maximum Working Pressure: 500psi
  • Dimension Depth - Length: 9.92" x 12.44" x 2.36"
  • Flange Bolts: 2
  • Bolt/Nut Size: 5/8" x 3 1/8"

8in Backflow Preventer Groove Coupler

One Year Warranty

Backflow Direct warrants its product to be free from defects in material and workmanship under normal operating conditions for a period of one year from the date of original shipment. In the event of such defects within the warranty period, Backflow Direct retains the exclusive right to repair or replace (with a new or newly rebuilt product) the device or offer a full refund of the original purchase price at its sole discretion. Backflow Direct assumes no liability for replacement of inoperative products beyond the warranty period.

THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESS, IMPLIED, OR STATUTORY, INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, STATUTORY OR OTHERWISE.

THE REMEDY ABOVE SHALL BE THE SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. Backflow Direct shall not be responsible for any special, consequential or incidental damages, including without limitation, repair costs or lost profits or property damage as a result of product malfunction or any other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, adverse water conditions or any other circumstances over which Backflow Direct has no control. SOME STATES DO NOT ALLOW THE EXCLUSION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, IN SUCH STATES, THE ABOVE LIMITATIONS MAY NOT APPLY.

This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the products.

To obtain warranty service, contact us for further instructions. When credit is issued it will be at the original purchase price.

 

Product Specific Warranty

1) NRS, OS&Y and/or any Gate Valves utilized as shut off valves on Backflow Direct products are covered by original manufacturer's warranty ONLY.

2) Reduced Pressure Principle Backflow Preventers (RP or RPDA) can and WILL discharge water. NEVER install an RP or RPDA in a location where any amount of discharge from the Relief Valve will cause property damage. For an indoor, pit, vault, mechanical room or enclosure installation of an RP or RPDA an auxiliary drain (SEPARATE AND INDEPENDENT of the Air Gap Assembly) is REQUIRED and MUST be properly sized for the Maximum Relief Valve Discharge Rate corresponding to the system/supply pressure. Backflow Direct shall not be responsible for any special, consequential or incidental damages, including without limitation, repair costs, lost profits, property damage, or any other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, adverse water conditions or any other circumstances, caused by lack of auxiliary drain, location of auxiliary drain or undersized auxiliary drain.

3) Air Gap Assembly will capture and evacuate light water discharge from the Relieve Valve caused by daily fluctuation in system/supply pressure. An Air Gap Assembly will NOT capture and evacuate the Maximum Relief Valve Discharge Rate caused by catastrophic valve or system failure. An auxiliary drain (separate and independent of the Air Gap Assembly) is REQUIRED and MUST be properly sized for the Maximum Relief Valve Discharge Rate. Backflow Direct shall not be responsible for any special, consequential or incidental damages, including without limitation, repair costs, lost profits, property damage, or any other costs resulting from labor charges, delays, vandalism, negligence, fouling caused by foreign material, adverse water conditions or any other circumstances, caused by lack of auxiliary drain, location of auxiliary drain or undersized auxiliary drain.

This warranty shall be invalidated by any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the products.

To obtain warranty service, contact us for further instructions. When credit is issued it will be at the original purchase price.

 

Download Warranty Information