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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

NSF/ANSI 61

Type

Lightweight Flexible Coupling

Style

Grooved

Nominal Size

2 1/2 in

Housing Material

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

Coatings

Hot Dipped Zinc Galvanized

Gasket Material

EPDM

Gasket Type

Flush Gap

Bolt Material

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

Heavy Hex Nut

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

Coupling Bolts Size

3/8 x 2 1/4 in

Coupling Bolts Qty.

2

Lubrication

Standard Gruvlok, Gruvlok Xtreme™

Application

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

Min. Service Temperature Range

-40 ºF

Max. Service Temperature Range

230 ºF

Max. Working Pressure

300 psi

Max. End Load

1948 lb

Range of Pipe End Separation

0-1/32 in

Deflection from CL Per Coupling

0° 37'

Deflection from CL of Pipe

0.13 in/ft

Min. Specified Torque

30 lb·ft

Max. Specified Torque

45 lb·ft

Product Number

0890014483

UPC Code

69029199735

Weight

1.98 lb