SKU: 68285523144

Alpha Wide Range Restraint Coupling - 8"

Sale price$677.25 Regular price$752.50
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Description

Alpha Wide Range Restraint Coupling - 8"Romac Industries, Inc. Alpha Wide Range Restraint Coupling is manufactured in the USA. The Alpha Coupling installs in about three minutes, and accommodates up to 8 degrees of deflection (4 degrees on each end). Use one piece, stab fit installation, covers IPS PVC through DI pipe diameters without having to change components, sizes 4" 16", compatible with ductile iron, cast iron (class A, B, C & D), PVC IPS size (Sch 40, Sch 80 and SDR 21), PVC C900 &

Romac Industries, Inc. Alpha™ Wide Range Restraint Coupling is manufactured in the USA.  The Alpha Coupling installs in about three minutes, and accommodates up to 8 degrees of deflection (4 degrees on each end).  Use one piece, stab-fit installation, covers IPS PVC through DI pipe diameters without having to change components, sizes 4" - 16", compatible with ductile iron, cast iron (class A, B, C & D), PVC IPS size (Sch 40, Sch 80 and SDR 21), PVC C900 & C909 & HDPE (size 4" - 12").  Working Pressure up to 350 psi.  

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.  

Materials:

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. Xylan 1424 coated for superior corrosion resistance. 

Gaskets SBR compounded for water and sewer service per ASTM D2000, classified by UL to meet NSF61 or NBR compounded for water and sewer service per ASTM D2000, NSF61 Certified. Other compounds available upon request.

Draw Hooks - 304L stainless steel.

Ramp Runners - Reinforced Nylon.

Bolts and Nuts - 5/8-11 bolts with heavy hex nuts. E-coated nuts, 304 stainless steel. Fasteners provided with anti-galling protection.

Coatings - Center ring is Romacoat fusion bonded epoxy, NSF 61 Certified. End rings are Romabond polyester.

 

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SKU: 68285523144

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4.1 ★★★★★
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Chorzepa
Houston, US
★★★★★ 5
An excellent book
Format: Hardcover
An excellent book, based on Japanese documents—offering, for the first time, such a detailed account of the first aircraft carrier battle, presented from the Japanese perspective. It covers every Japanese aircraft involved, as well as the fates of their naval aircrews. A must-read for anyone interested in World War II in the Pacific.
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Reviewed in the United States on May 8, 2026
J
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james
Massapequa, US
★★★★★ 5
Excellent book.
Format: Audiobook
History of WWII. Great research.
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Reviewed in the United States on May 21, 2026
L
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LynneC
Belleville, US
★★★★★ 4
Good Book, not Parshall though
Format: Kindle
The author uses more Japanese terms than any similar book that I've read but uses western naming conventions for Japanese people. I don't quite know what to think. Good diagrams.
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Reviewed in the United States on December 12, 2025
R
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Robert K. B
Boise, US
★★★★★ 5
Japanese mindset Coral Sea
Format: Kindle
This book gave me fresh insights to the Battle of the Coral Sea. I feel like I have an idea as to what was going through the Japanese minds. Well written. He make it easy to follow each step of the battle.
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Reviewed in the United States on April 19, 2026
C
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Christine
Louisville, US
★★★★★ 5
A Less Than Famous Battle
Format: Hardcover
Very thorough on a battle that was not as decisive as Midway.
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Reviewed in the United States on May 1, 2026

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