M series

Features high pressure pumps M series

• single acting
• single air drive head
• For operating pressures up to 2,200 bar (31,900 psi)

M pumps in single-acting design are distinguished by their light, compact 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 NBR O-rings, UHMWPE package and FKM 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.