Ductile iron style 77 standard flexible clamp coupling
Ductile iron style 77 standard flexible clamp coupling Introduction :
Housing: Ductile iron conforming to ASTm A-536, grade 65-45-12. Ductile iron conforming to ASTm A-395, grade 65-45-15, is available upon special request. Housing Coating: orange enamel. •Optional:Hot dipped galvanized and others. Coupling gasket: (specify choice*)† •Grade“E”EPDM(All other sizes) EPDM (Green color code). Temperature range –30°F to +230°F/–34°c to +110°c. Recommended for hot water service within the specified temperature range plus a variety of dilute acids, oil-free air and many chemical services. uL classified in accordance with ANSI/NSF 61 for cold +86°F/+30°c and hot +180°F/+82°c potable water service. NoT RecommeNDeD FoR PeTRoLeum SeRVIceS. • Grade“T”nitrile Nitrile (orange color code). Temperature range –20°F to +180°F/–29°c to +82°c. Recommended for petroleum products, air with oil vapors, vegetable and mineral oils within the specified temperature range. Not recommended for hot water services over +150°F/+66°c or for hot dry air over +140°F/+60°c. * Services listed are General Service Recommendations only. It should be noted that there are services for which these gaskets are not recommended. Reference should always be made to the latest Victaulic Gasket Selection Guide for specific gasket service recommendations and for a listing of services which are not recommended. NOTE: Additional gasket styles are available. Contact Victaulic for details. bolts/nuts: Heat-treated plated carbon steel, trackhead meeting the physical and chemical requirements of ASTm A-449 and physical requirements of ASTm A-183. •optional bolts: ASTm F-593, Group 2, Type 316 stainless steel oval neck track bolts. •optional nuts: ASTm F-594, Group 2, Type 316 stainless steel heavy hex nuts with galling resistant coating. † Supplemental lubricant is recommended for services installed at or continuously operating below 0°F/–18°c.
Ductile iron style 77 standard flexible clamp coupling Dimension :