Nomad NTG-100 4″ Transflo™ AODD Pumps


Metallic – Rubber – TPE-Fitted,

Air-Operated, Double Diaphragm pump:

  • Low cost.
  • High quality double diaphragm pump.
  • Simple to maintain, with a simple, time proven design.
  • Pump and parts interchangeable with Wilden®, but at a lower cost.

Because of the focus on high quality design they are simple to maintain, with readily available replacement parts and fast delivery.

  • Flow rates indicated on the following chart were determined by pumping water.
  • For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump performance curve.  Example: To pump 170 gpm (643.5 lpm) against a discharge pressure head of 60 psig (4.1 bar) requires 60 psig (4.1 bar) and 115 scfm (184.6 Nm3/h) air consumption. (See dot on chart).
  • Caution: Do not exceed 125 psig (8.6 bar) air supply pressure. Teflon Diaphragms: reduce flow by 25%.
Suction & Discharge Size: Flanged 4″ (102 mm) Inlet and Discharge
Porting Location: Center Ported 
Connection Types: ANSI/DIN
Air Inlet & Air Exhaust Size: 3/4
Maximum Flow Rate: 275 gpm (1041 lpm
Maximum Air Supply Pressure: 125 psig (8.6 bar)
Displacement Per Stroke: 1.22 gal (4.62 L)
Minimum Air Inlet Stork N/A
Maximum Particle Size: 1-3/8 (35 mm)
Sound Pressure: N/A
Operating Temperature: Neoprene -17.8° C to 93.3° C 0° F to 200° F,Polyurethane 12.2° C to 65.6° C -10° F to 220° F
Bolted or Clamped: Clamped
Wetted Materials: Aluminum, 316 SS, Ductile Iron
Diaphragm Materials: PTFE, Neoprene, Buna, Viton®, Santoprene®,Viton®, Nordel®, Hytrel® Polyurethane
Air Valve: Brass
Ball Materials: PTFE, Neoprene, Polyurethane
Seat Materials: Neoprene, Polyurethane
O-ring Materials: Neoprene, Polyurethane
Dimensions & Weights
Maximum Height: 32.5
Maximum Width: 32.5
Maximum Depth: 13
Aluminum Weight: N/A
Stainless Steel Weight: N/A
Ductile Iron Weight: 500 lbs (231 kg)
Polypropylene Weight: N/A

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