Romac Industries, INC. Alpha

WIDE RANGE RESTRAINT COUPLING

  • Wide range covers DI through IPS PVC pipe diameters without having to change components.
  • One piece, stab-fit installation.
  • Cast components are high strength ductile iron.
  • Working pressure: up to 350 psi.
  • Accommodates 8 degrees of deflection (4 degrees on each end).
  • Manufactured in the U.S.A.
  • Patents Pending.
  • Alpha is currently approved for use on:
    • Ductile iron
    • Cast iron (Classes A and B)
    • PVC IPS size (Sch 40, Sch 80 & SDR 21)
    • PVC C900 and C909

ALPHA Restraint Coupling from Romac Industries, Inc. on Vimeo.

 

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INSTALLATION TIME IS A FRACTION OF OTHER RESTRAINT METHODS

 

Alpha Install

Material Specifications

CASTINGS: All cast components (end rings, center ring and bolt guides) are ductile iron, meeting or exceeding the requirements of ASTM A 536, grade 65-45-12.
GRIPPERS: Ductile (nodular) iron, meeting or exceeding ASTM A 536, grade 65-45-12. Machine sharpened and heat treated.
GASKETS: Nitrile butadiene rubber (NBR) compounded for water and sewer service in accordance with ASTM D2000.
DRAW-HOOK FASTENERS: 304L stainless steel.
RAMP RUNNERS: Reinforced nylon.
BOLTS & NUTS: 304 stainless steel, 5/8-11 bolts with heavy hex e-coated nuts. Fasteners provided with anti-galling protection.
COATINGS: Center ring fusion bonded epoxy in accordance with AWWA C213 and NSF 61 certified. End rings are e-coated epoxy. Grippers are shop coat.
WORKING PRESSURE: up to 350 PSI.

 

Alpha Specs

To Order: Determine the O.D. of the pipes to be coupled, and select coupling size which covers the pipe diameters of both pipe ends. Specify Alpha Catalog Number [shaded number in table above].
Example: To couple 8" DI and 8" IPS PVC Pipe order ALPHA-A-9.10