The C-3 Coupling is a flexible light weight style which is ideal for fire protection services and other services where low pressure and ambient temperature conditions are expected. For the latest UL/ULC listed, LPCB, VdS and FM Approved pressure ratings versus pipe schedule, see www.asc-es.com or contact your local ASC Engineered Solutions™ Representative. For Listings/Approval Details and Limitations, visit our website at www.asc-es.com or contact an ASC Engineered Solutions™ Sales Representative. Lightweight Flexible Coupling Fig. C-3 SPF/Anvil® Flexible Couplings Material Specifications Housing Ductile Iron conforming to ASTM A536, Grade 65-45-12 Bolts SAE J429, Grade 5, Zinc Electroplated ISO 898-1, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip Heavy Hex Nuts ASTM A563, Grade A, Zinc Electroplated ISO 898-2, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip Coatings Rust inhibiting paint Color: Orange (Standard) Hot Dipped Zinc Galvanized (Optional) Other available options (Example: RAL3000 or RAL9000 Series) For other coating requirements contact an ASC Engineered Solutions Representative. Lubrication Standard Gruvlok Gruvlok Xtreme required for dry pipe systems and freezer applications Gasket Materials Properties as designated in accordance with ASTM D2000 Pre-Lubricated Grade “E” EPDM, Type A Gasket (Violet color code) -40°F to 150°F (Service Temperature Range) (-40°C to 65°C) Recommended for wet and dry (oil free air) pipe fire protection sprinkler systems. For dry pipe systems and freezer applications, Gruvlok Xtreme Lubricant is required. Gasket Type Standard C Style Flush Gap
