MECHANICAL
GENERAL CATEGORIES
OTHER FUEL VALVES & SWITCHES
355
 
 
CHECK VALVES

Installed on pump intake to prevent loss of pump prime.

355A - 1/2" NPT
355B - 1" NPT
355C - 1-1/2" NPT
 
372
 
FLOW SWITCH

An in-line switch to detect “no fuel” in fuel line.  Several events are
possible, including pump/motor shut down and/or sounding an
alarm.  Closing the switch can be delayed - see option 373 below.

(10 watts)
374
 (Click To Enlarge)
   FUSE-LINK VALVE for Fire Safety

Automatically closes fuel lines when ambient temperature reaches
165 Degrees F.  1" NPT

(ship loose)
 
 
375
 (Click To Enlarge)
   FOOT VALVE (External)

For installation in a main storage tank to prevent loss of supply
pump prime - 1" NPT

(ship loose)
 
 
376
(SAME AS
OPTION #375)
   FOOT VALVE (Internal)

Installed in day tank to prevent loss of return pump prime and for
engine suction - 1" NPT

(ship loose)
379
(Click To Enlarge)
   IN-LINE PRESSURE RELIEF BY-PASS VALVE

Re-routes fuel when line pressure reaches that shown below for
pipe size.

379A - 1"    NPT  @ 50 psi - 20 gpm Max.
379B - 1.5" NPT  @ 50 psi - 40 gpm Max.
379C - 2"    NPT  @ 50 psi - 120 gpm Max.
379D - 2"    NPT  @ 75 psi - 120 gpm Max.
 
380
 (Click To Enlarge)
   PUMP PRESSURE RELIEF VALVE

Pump-Internal pressure relief valve installed in pump housing.
381
 (Click To Enlarge)
   FLAME ARRESTOR

To protect day tank from fire or explosion from exterior ignition
source.  Field installed on top of vent.
(Cut-Away image past rain cover)

(ship loose)
       
369
(Click To Enlarge)
  
CUT-OFF VALVE FOR PUMP SETS

1/4 Turn - used for component isolation in pump sets

369A - 1/2" NPT        
369B - 1" NPT
369C - 1-1/2" NPT
369D -  2" NPT
 
370
    
CUT-OFF VALVE

Manual cut off valve installed in fuel inlet that is primarily used for
gravity-fed day tanks

370A - 1/2" NPT        
370B - 1" NPT           
370C - 1-1/2" NPT
370D -  2" NPT

(ship loose)
 
372R
 
  
For remote signal, add ...
REMOTE SIGNAL PROVISION, FLOW SWITCH  

Components  to provide a  heavy-duty, remote signal of
the Flow Switch (option #372).  Includes dry terminal
contacts for connection of customer supplied device up to
3 amp.
 
373
 
TIME DELAY RELAY

A variable time relay for option 372  w/th reset pump/motor
shutdown (10 amp)