NDP – 20BS

Max. fluid temperature82 ℃ | 179.6 F

Valve typeBall

Maximum capacity110 liters/min (PTFE Diaphragm 100 L/min)

Port size20 mm | 3/4 "

Air Supply Pressure2 - 7 bar (0.2 - 0.7 MPa)

Discharge Volume per Cycle350 mL, (PTFE Diaphragm 240 mL)

Maximum Cycles per MinuteRubber diaphragm: 195 PTFE diaphragm: 195

Maximum Size Solid2,0 mm or less

Maximum Dry Suction Lift3,0 m

Body materialStainless Steel (316)

Diaphragm materialEPDM (E)
Hytrel® (H)
NBR (N)
Neoprene (C)
PTFE (T)
PTFE/EPDM (TU)
Santoprene (S)
Viton (V)

Air motorMetal pumps standard with aluminum motor Plastic pumps standard with PPG motor

Air motor option Teflon-coated, Electroless Nickel Plated for aluminum motor only

Available kits (Diaphragm / Valve / Wet End Repair / Air Motor / Air Motor Seal)

• NDP-20BSC                         KP20D-MC / K20V-SC / K20-MC-1*/ K20/25-AM / K20/25-AMS
• NDP-20BSE                         KP20D-ME / K20V-SE / K20-ME-1* / K20/25-AM / K20/25-AMS
• NDP-20BSH                         K20D-MH / K20V-SH / K20-MH-1 / K20/25-AM / K20/25-AMS
• NDP-20BSN                         KP20D-MN / K20V-SN / K20-MN* / K20/25-AM / K20/25-AMS
• NDP-20BSS                         K20D-MS / K20V-SS / K20-MS-1 / K20/25-AM / K20/25-AMS
• NDP-20BST                         K20D-MT / K20V-ST / K20-MT-1 / K20/25-AM / K20/25-AMS
• NDP-20BSTU                       K20D-MTU / K20V-ST / K20-MTU-1 / K20/25-AM / K20/25-AMS
• NDP-20BSV                        KP20D-MV / K20V-SV / K20-MV-1* / K20/25-AM / K20/25-AMS

*Only suitable for Air chamber ≥2011 with O-ring groove 

• • Also available for all pump-models: K20/25-AMN (Air Motor Kit Dry Air)

Please note if you have a special pump or add-on, it’s possible you also need a special provided kit. Contact us for your options.