Mark V® Flow Switch & Angle Check Valve

New Design for Safe, Steady, and Trouble-Free Automatic Flow Control

  • Controlled pumping rate from the nozzle permits high pumping speeds and delivery control
  • Check valve, as required by weights and measures
  • Combined-unit flow control switch and check valve
  • Reduces hose pressure at idled speed
  • Eliminates damaging surge and shock pressures

Data Sheets:

  • Victaulic inlet and outlet for leak-free connection; threaded version also available
  • Available with electric or air switch
  • Prevents hose reel movement

Part #Model
 09520MK V Air Victaulic X Victaulic
 09521MK V Electric Victaulic X Victaulic

Replacement Parts

Part #Replacement Part
 09555Switch Housing – Air
 09554Switch Housing – Electric
 09556Poppet Valve Assembly & Seal Kit

1/4” gauge port

20 amp normally open electrical switch (electric models only)

Less than 7 P.S.I. pressure drop at 100 G.P.M.

3 P.S.I. cracking pressure at zero flow

Viton poppet seal

No gasoline use





MARK V_Manual

Scully Signal