ROMAC Alpha Restraining Joint
Standard Alpha covers IPS PVC through DI pipe diameters without having to change components. Wide range restrained joint. Installs in about three minutes. Accommodates Ductile iron through IPS PVC pipe diameters. Manufactured in the U.S.A.
WIDE RANGE RESTRAINED COUPLING
CASTINGS: All cast components (end ring, center ring and bolt guide) 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 enhanced corrosion protection.
GASKET: SBR compounded for water and sewer service per ASTM D2000 - classified by UL to meet NSF61, or NBR compounded for water and sewer service in accordance with ASTM D2000 and NSF61 Certified. Other compounds available upon request.
DRAW-HOOK FASTENERS: 304L stainless steel.
RAMP RUNNERS: Reinforced nylon.
BOLT & NUT: 304 stainless steel, 5/8-11 bolt with heavy hex e-coated nut. Fasteners provided with anti-galling protection.
COATINGS: Center ring is Romacoat fusion bonded epoxy. End ring is Romabond Polyester.
WORKING PRESSURE: up to 350 PSI.