Specifications for NDP-80
Series Pumps

214 GPM Maximum Capacity  ::  3" Port Size

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NDP-80 Specs, Curves, Drawings (860K)

Bill of Materials

Maintenance Manual (2.7MB)

Port Dimensions

Intake & Discharge Connection

Polypropylene (PPG): 3" ANSI Flange B16.5 #150

Aluminum (ADC-12): 3" ANSI Flange B16.5 #150 (with tapped 3" Female NPT)

Stainless Steel (316): 3" ANSI Flange B16.5 #150 or 3" Female NPT

Cast Iron: 3" Female NPT

Air Inlet

3/4" Female NPT (includes ball valve)

Air Exhaust

1" Female NPT (includes silencer)

Maximum Liquid Temperature*

Diaphragm Material / Temperature

Neoprene: 180°F (82°C)

Buna N: 180°F (82°C)

EPDM: 212°F (100°C)

Hytrel® (TPE) 248°F (120°C)

Santoprene® (TPO) 212°F (100°C)

Viton® fluoroelastomer 248°F (120°C)

Teflon® (PTFE) 212°F (100°C)

*Polypropylene pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material.

Air Supply Pressure (All Models)

20 to 100 PSI (1.4 to 7 kgf/cm²)

Discharge Volume Per Cycle

Rubber diaphragm: 2.25 gallons (8.5 liters)

PTFE diaphragm: 1.0 gallons (3.8 liters)

Maximum Cycles Per Minute

Rubber diaphragm: 95

PTFE diaphragm: 160

Maximum Size Solid

13/32" (10 mm)

Maximum Dry Suction Lift

Rubber-fitted pump capability: 19-feet

Air Motor

Standard: Aluminum

Optional: Epoxy-coated, Teflon®-coated, or Electroless Nickel Plate

Notes: Hytrel®-fitted pumps include Buna N check balls & wetted o-rings. Santoprene®-fitted pumps include EPDM check balls & wetted o-rings.