background image

  Model F4FR Concealed Sprinkler                                                                                                                                       SIN RA0212

Technical Specifications

  

Style:

 

Concealed Pendent

  

Threads:

 

1/2” NPT or ISO 7-R1/2

  

Nominal K-Factor:

 

5.6 (80 metric)

  

Max. Working Pressure:

 

175 psi (12.1 bar)

  

Min. Spacing:

 

6 ft (1.8 m)

Material Specifications

  

Operating Element:

 

Glass Bulb

  

Sprinkler Frame:

 

Brass Alloy

  

Cap:

 

Bronze Alloy

  

Sealing Washer:

 

Titanium, PTFE Coated

  

Load Screw:

 

Brass

  

Deflector:

 

Brass

  

Cup:

 

Brass

Sprinkler Finishes 

  

Brass (Unfinished)

Sensitivity 

  

Quick-Response

Sprinkler Temperature Ratings

   

135

°

F (57

°

C)

   155

°

F (68

°

C)

Cover Plate Temperature Ratings

   

135

°

F (57

°

C)

Cover Plate Finishes

 

 (See Table B)

Sprinkler Wrenches

  Model G4

Listings and Approvals

 

 cULus Listed

Model F4FR Sprinkler Components and Dimensions

Figure 1

Bulletin 002
September 2020

Page 2 of 3

www.reliablesprinkler.com

Reviews: