SKU: 72148681606

Alpha Wide Range Restraint Coupling - 6"

Sale price$524.25 Regular price$582.50
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

Alpha Wide Range Restraint Coupling - 6"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.

 

Shipping Notes
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Exchange/Return Notes
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SKU: 72148681606

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4.1 ★★★★★
Based on 1735 reviews
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Angela Felan
Draper, US
★★★★★ 5
Great purchase!
Color: Light Brown, Size: 4
Easy to assemble. Looks great on walls. Durable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 8, 2026
D
Verified Purchase
Dakota's
Fort Morgan, US
★★★★★ 1
Not worth the time
Color: Light Brown, Size: 4
Plastic pieces for the dry wall broke and also created an even bigger hole in the wall. One of the shelves wouldn’t even stay level despite following all instructions. Wood gives you splinters as well since it’s not sanded down.
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Reviewed in the United States on May 6, 2026
M
Verified Purchase
Miah
Whiting, US
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome. The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings. One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐 These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026
T
Verified Purchase
Tyler Kline
Draper, US
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room. Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project. One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely. The rest of the hardware worked fine and once installed the shelves feel solid and hold items well. Pros - Clean modern look - Easy installation - Feels solid once mounted - Good size for books or decor Cons - The small level included isn’t very accurate — use your own level - One of the metal brackets was slightly bent out of the box but straightened out easily Helpful tip: Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely. Final thoughts: For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026
C
Verified Purchase
Coffman, H
Lexington, US
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026

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