Certificate: UL Listed/ FM Approved

Standard: NFPA 20

Connection: Flanged as ANSI B16.42/ Thread

Pressure rating: Max 250 psi/ 400 psi

Adjustment: 20-200 psi/ 100-300 psi

Centerline Type

Working Pressure: 300PSI(21Bars)

Working Temp: -20degree centigrade~110degree centigrade(-4° F~230° F)

Centerline Type

Working Pressure: 300PSI(21Bars)

Working Temp: -20degree centigrade~110degree centigrade(-4° F~230° F)

U.L. Listed

Working Press. : 300 psi, & 175 Psi

Max.Test Press. : 600 psi & 350 Psi

Working Temp. : 250*F (120*C)

Factory Installed UL Approved Tamper Switch.

Body Ductile Iron, Nylon-11 Coated.

Disc AL-Bronze, Ductile Iron, EPDM Encapsulated

Stem Stainless Steel, Hardened & Tempered

Sizes: 2½", 3", 4", 6" , 8", 10 ", 12"

Alarm Check Valve is of 8 Types:

1.3” Flange/Groove Alarm Check Valve

2.4” Flange/Groove Alarm Check Valve

3.6” Flange/Groove Alarm Check Valve

4.8” Flange/Groove Alarm Check Valve

Grooved pipe fittings Fire Protection Valves

Grooved Piping System

Grooved pipe fittings

Specification:

O.D.: Φ33.7—Φ219.1 (mm)

Wall thickness: 2.75—5.0 (mm)

Anticorrosive: 1. hot galvanized; 2. powder coating; 3.painting

End state: 1.Grooved; 2. Plain end; 3.screwed & socketed

Function: Fire and water supply system in building