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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.
Unit of Measure

Specifications

Industry Standards/Certifications

 N/A NSF/ANSI 61

Type

 N/A Lightweight Flexible Coupling

Style

 N/A Grooved

Nominal Size

 N/A 2 1/2 in

Housing Material

 N/A Ductile Iron conforming to ASTM A-536, Grade 65-45-12

Coatings

 N/A Hot Dipped Zinc Galvanized

Gasket Material

 N/A EPDM

Gasket Type

 N/A Flush Gap

Bolt Material

 N/A SAE J429, Grade 5, Zinc Electroplated, ISO 898-1, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip

Heavy Hex Nut

 N/A ASTM A563, Grade A, Zinc Electroplated, ISO 898-2, Class 8.8, Zinc Electroplated followed by a Yellow Chromate Dip

Coupling Bolts Size

 N/A 3/8 x 2 1/4 in

Coupling Bolts Qty.

 N/A 2

Lubrication

 N/A Standard Gruvlok, Gruvlok Xtreme™

Application

 N/A Recommended for wet and dry (oil free air) fire protection sprinkler systems. For freezing conditions, Gruvlok Xtreme™ Lubricant is required.

Min. Service Temperature Range

 N/A -40 ºF

Max. Service Temperature Range

 N/A 230 ºF

Max. Working Pressure

 N/A 300 psi

Max. End Load

 N/A 1948 lb

Range of Pipe End Separation

 N/A 0-1/32 in

Deflection from CL Per Coupling

 N/A 0° 37'

Deflection from CL of Pipe

 N/A 0.13 in/ft

Min. Specified Torque

 N/A 30 lb·ft

Max. Specified Torque

 N/A 45 lb·ft

Product Number

 N/A 0890014483

UPC Code

 N/A 69029199735

Weight

 N/A 1.98 lb