8543 and 8544 Series

 

 

 

 

Fully Internal “Pop-Action” Pressure Relief Valves for Motor Fuel Containers

Info

8543 Series relief valves are designed for use as a primary relief
valve in larger ASME motor fuel containers such as on buses, trucks
and construction equipment.
8544 Series relief valves are designed for use as a primary relief
valve in smaller ASME and DOT motor fuel containers such as on
tractors, lift trucks, cars and taxicabs.

 

 

 

Part
Number

 

 

Container Type

 

Start To
Discharge
Setting PSIG

 

A
Container
Connection
M. NPT

 

B
Overall
Height
(Approx.)

 

C
Height Above
Coupling
(Approx.)

 

D
Hex
Wrenching
Section

 Flow Capacity SCFM/Air****

 

 

Protective
Cap
(Included)

 Accessories
UL
(At 120% of Set Pressure)		 ASME
(At 120% of Set Pressure)		 Pipeaway
Adapter
8544G ASME 250 1” 5 7/16” ⅞” 1 5/16" 1020 936 7544-41G 7544-11A*
8543G 1¼” 1 11/16" 1465 1400 7543-40C 7543-10**
8544T 312 1” 1 5/16" 1282 1158 7544-41 7544-11A
8543T 1¼” 1 11/16" 1990 1731 7543-40C 7543-10**
8544K DOT/ASME 375 1” 1 5/16" 1545*** - 7544-41 7544-11A

* 1” M. NPT outlet connection.
** 1¼” M. NPT outlet connection.
*** Rating also applies to DOT requirements.
**** Flow rates shown are for bare relief valves. Adapters and pipeaway will reduce flow as discussed in forewording information.