Natural gas 

inlet 

compressed

 

Valve 

Valve size, 

CV, 

0.62 sp gr 

pressure, 

air pressure,

  designation 

inches 

gpm 

scfh at 1" 

P psig 

psig

 1447-01 

 ½   6.3 

  370  150  60-120

 

1447-0  

 ¾   9.8 

  570  150  60-120

 

1447-1  

1  17.7 

 1030 

150 

60-120

 

1447-2  

1¼  26   

 1510  105 60-120

 

1447-3  

1½  47   

 2720   67 60-120

 1447-4  

2  82   

 4750  45 

60-120

 

1447-5  

2½ 126   

 7300  105  60-150

 

1447-6  

3 186   

10800  75 50-150

Max. fl uid

Actuator

CAPACITIES

SPECIFICATIONS

Maximum fl uid temperature (½" - 2") 

285°F

Maximum fl uid temperature (2½" and 3") 

355°F

Maximum compressed air temperature (½" - 2") 

140°F

Maximum compressed air temperature (2½" and 3") 

175°F

Maximum ambient temperature (½" - 2") 

140°F

Maximum ambient temperature (2½" and 3") 

175°F

Actuator volume (½" - 2") 

7.62 in.

3

Actuator volume (2½" and 3") 

38 in.

3

Body material 

cast bronze

Seal Tefl on
Valve end connection 

NPT

Compressed air connection 

¼" BSP (¼" NPT adpater supplied loose)

Compressed air quality 

Water free, prefer oil free, but can be lubricated

The 1447 Pneumatic Cycle Valve isolates oil, water, or gas in 
industrial applications including air dryers, ovens, furnaces, 
autoclaves, food, and sterilization processes. They are high 
duty cycle on/off  angled globe valves that are primarily used 
on StepFire™ and TwinBed II™ systems. Compressed air opens 
the valve and a spring returns the valve to the original closed 
position.

Product Overview | 1447 Valve

The "Y" pattern valve is operated by a linear piston actuator. 
When the valve is in the normally closed position, the pressure 
is against the valve seat, not the packing. The shaft  seals are 
self-adjusting and protected by a wiper ring against fouling and 
damage. This ensures a tight seal even aft er long periods of 
operation. The fail-safe actuator is maintenance-free and can be 
rotated 360 degrees.

Bulletin 1447

page 2

Catalog Combustion 2021 - Page 1402

Fives Group
FIVES GROUP
FIVES GROUP-FIVES GROUP-1402-1388

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