Pipe Coupling · Pipe Connections & Fittings
Gruvlok® 2-piece large diameter standard groove rigid couplingUses standard grooves (conforming to AWWA C-606)No special grooves or grooving tools neededPressures to 350 P.S.I. on cut or roll grooved standard wall pipe with a wall thickness of 0.375"No special fittings neededNo special valves neededUp to 23% less weight than competitive modelsThe Figure 7401-2 Rigidlok Coupling with a Pre-Lubricated Grade “E” EPDM, Type “A” gasket (coupling is easily identified by purple nuts) is intended for use in fire protection systems installed in accordance with NFPA Standard 13 “Sprinkler Systems.”
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