Joint Restraints (PERMA GRIP) for HDPE (polyethylene) (IPS, C900) with internal stiffener
Each MIDCO HDPE PERMA GRIP Joint Restraint Kit includes:
- One RG unit: one brass grip ring; one epoxy powder coated iron gland
- One gasket for:
- IPS one transition gasket
- C900 one standard MJ gasket
- T-Bolts and nuts zinc plated (quantities vary by pipe size)
- One high grade 304 stainless steel internal stiffener
Stiffeners available in SDRs: 11, 13.5, 17
Individual stiffeners are also available for use with midco joint restraints.
MATL SPECS FOR MIDCO PERMA GRIP COMPONENTS: Glands – ASTM A 536 Grade 65-45-12 Ductile Iron and Epoxy Powder Coated to 4 mil thickness. Series 3000 (Style 30) Grip Ring – C87850 Bronze. Series 4000 (Style 40) Grip Ring – ASTM A 536 Grade 80-55-06 Ductile Iron Heat Treated to 350-400 BHN. T-Bolts and Nuts – ASTM A 242. Internal stiffener 304 stainless steel.
All MIDCO Municipal Products are fully compliant with the California Lead Plumbing Laws, NSF/ANSI 61 Annex G, ANSI Standard 372, the National Lead Free Law, The Safe Drinking Water Act, and Public Law 111-380.
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