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Teryair 2" Polypropylene AODD, MaxFlo Valve - 131 Gpm (496 Lpm)

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72.00 LBS
Max Discharge:
131 Gpm
Air Distribution System:
ADP Advanced System
Air Inlet:
3/4" NPT

Ideal for pumping of agressive fluids like benzyl, acids, sulfates, chlorides, and transformer oils.


Industrial Diaphragm Pump Air Operated Max-Flo 2” Polyproplyene

MAX DISCHARGE - 131 Gpm (496 Lpm)

SIZE, MATERIAL - 2” Polypropylene

WEIGHT - 62 Lbs

AODD Information

Polypropylene pumps are an economical alternative to stainless steel and can be a suitable substitute in a majority of applications. These pumps are usually combined with PTFE, Viton® or SantopremeTM diaphragms. When fitted with these elastomers a Polypropylene pump is ideal for pumping of fluids like benzyl, diacetone, phosphoric acid, ferric sulfate, isopropyl chloride, transformer oils and many other similar fluids. 

PTFE Diaphragm

  • Excellent choice when pumping highly aggressive fluids such as aromatic or chlorinated hydrocarbons, acids, caustics, ketones and acetates.
  • Temperature range +40C to+1040C (+400F to +2200F)

Approvals and Certifications

All Teryair© pumps are CE marked and manufactured under an ISO 9001:2015 Quality system SGS. This pump is not ATEX approved, only Teryair® metallic pumps have this certification.


  • This pump handles viscous fluids, slurries, solid laden fluids, shear sensitive fluids very well.
  • No Priming needed.
  • No Foaming of fluid pumped.
  • No Stall damages.
  • Portable and submergible.


Air Valve Type

  • SDP – MaxFlo

Pump Size

  • 50 – 2”


Material of Construction

  • PP – Polypropylene

Material of Diaphragm

  • T - PTFE

Material of Center Section

  • AL- Aluminum

Bolted or Clamped

  • B – Bolted

Threading on Inlet and Outlet

  • F – Flanged

Technical Data SDP 50PPT 

SDP 50PPT with PTFE fitments

Maximum Discharge 131 gallons/min (496 Liters/min)

Suction Head Dry 13 feet (4 meters)

Suction Head Wet 28 feet (8.5 meters)

Pump Weight 62 Ibs (28 Kgs)

Max Solid Passage 1/4” (6.4 mm)

Air Distribution System SDP MaxFlo, MOC Aluminum, acetal and CFT Seals.

Balls /Seals PTFE

Air Inlet 3/4" NPT

Fluid inlet, Fluid Outlet 2” ANSI Flange


Related Model Numbers:

P800/PKPPP/TNU/TF/PTV, 6662B3-311-C, 5U680, GR653511, PSGA200FPPSSPES70, PD20P-FPS-PAA, DF2966, NPF50, PD20P-FKS-KTT, NDP-50BPE-PP

Related IMPA's:                 

IMPA 591614


Max Discharge:
131 Gpm
Air Distribution System:
ADP Advanced System
Air Inlet:
3/4" NPT
5-Year Limited Warranty