High Pressure Pumps – M series

  • single acting
  • single air drive head
  • Pressures to 2,200 bar (31,900 psi)

MAXIMATOR pumps M series are available as single or double acting with either a single, double or triple air drive head. For air drive pressures from 1 bar (14.5 psi) minimum to 10 bar (145 psi) maximum.

M pumps

  • single acting
  • single air drive head
  • Pressures to 2,200 bar (31,900 psi)

M pumps are single acting types with single air drive head. They are compact lightweight and feature rugged construction.

  • M4 to M12 pumps have aluminium bodies and stainless steel plungers. M22 to M189 have stainless steel bodies and plungers. All M pumps have polyurethane seals with Buna ”N” O-rings, UHMWPE package and Viton O-rings for water service is available as option.
  • All M pumps are standard with bottom inlet, side inlet is available as option.

Options for M series

  • Seal material for oil use (standard pump): Order code: M37 – (L)
  • Seal material for water use: (not available for M …-2/M…-3 and M …-01H types) Order code: M37 – (L)VE / M37D – VE
  • Special seal material to handle special fluids: Order code: See fluid compatibility guide
  • Side inlet for single acting versions: Order code: M37(L) – S / M37(L)VE – S
  • External pilot port modification: (only available for M22 to M189 single acting, single air drive head types) Order code: M37 – DIR
  • Spring return and hand lever attachment: (modification only available for M22 to M189 single acting, single air drive head types) Order code: M37 – 01H
  • Special inlet and outlet ports (i. e. NPT): M37 – NPT
  • Air control unit for M series with filter pressure regulator, control pressure gauge and shut-off valve: Order code: M37 with C1
  • To protect the pump against excessive outlet pressures, an air safety valve can be fitted to the air control unit: Order code: M37 with C1/SVair
    (The outlet pressure has to be indicated.)
  • Other options available on request.
Typei *¹⁾Displ. Vol. ¹⁾
/cm³
Displ. Vol. ¹⁾
/in³
P max. (*)
bar
P max. (*)
psi
Flow
cfm
Flow
l/min
M41:430,501,86405800,5214,81
M81:914,700,909013050,257,07
M121:149,400,5714020300,164,55
M221:284,600,2828040600,082,22
M371:462,800,1746066700,051,36
M721:861,500,09860124700,030,72
M1111:1301,00,061300188500,020,48
M1891:2200,60,042200319000,010,28

i = Pressure ratio
P. max = Discharge
1) Numerical