Graco Inc.

Husky 3300 Air-Operated Diaphragm Pumps  3 inch Positive Displacement Double Diaphragm Pump

The Husky 3300 has a 3 inch (76.2 mm) connection and is available in aluminum, polypropylene and stainless steel

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The Husky 3300 air-operated diaphragm pump features a stall-free low pulsation air valve which provides a smooth and rapid changeover.

The one-piece center section eliminates leaks and reduces maintenance on the Husky pumps when compared to other diaphragm pumps. 

Benefits of the Husky 3300 double diaphragm pumps

  • Overall improved efficiency (up to 40% more efficient)
  • Highest fluid flow rate in its class
  • Up to 5 times longer diaphragm life compared to other air operated diaphragm pumps
  • Expanded material offering to handle endless applications
  • Offered in ATEX configuration.

Benefits of the Husky 3300 Air Valve

  • Increased Efficiency: Stall-free, low pulsation design provides smooth and rapid changeover for increased efficiency and minimized down time.
  • Modular 4 bolt design: The air valve is externally accessible so it can be serviced quickly and easily without uninstalling the diaphragm pump.
  • Fewer parts: The complete air valve is externally accessible with minimal parts so it can be serviced faster than industry peer air valves.
Overview
Maximum fluid flow
300 gpm (1135 lpm)
Maximum Fluid Discharge Pressure
100 psi (7 bars, 0.7 MPa)
Maximum size pumpable solids
½ in (13 mm)
Fluid displacement per cycle
2.9 g (11 liters)

Husky 3300 Performance

Husky 3300 Performance

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  • Expanded material offering to handle numerous applications
  • Flow rates up to 300 gpm (1,135 lpm)
  • Modular stall-resistant air valve design
  • Complete 3 inch family of diaphragm pumps available in aluminum or polypropylene center sections
  • Heavy-duty construction
  • Faster change over with spring loaded pilot valves

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Husky 3300 Air-Operated Diaphragm Pump
Maximum fluid working pressure
Aluminum or Stainless Steel with Aluminum Center Section
125 psi
0.86 MPa, 8.6 bar
Polypropylene or Stainless Steel with Polypropylene Center Section
100 psi
0.7 MPa, 7 bar
Air pressure operating range**
Aluminum or Stainless Steel with Aluminum Center Section
20-125 psi
0.14-0.86 MPa, 1.4-8.6 bar
Polypropylene or Stainless Steel with Polypropylene Center Section
20-100 psi
0.14-0.7 MPa, 1.4-7 bar
Air consumption
All pumps
90 scfm at 70 psi, 100 gpm
2.5 m³/min at 4.8 bar, 379 lpm
Maximum air consumption*
Aluminum or Stainless Steel with Aluminum Center Section
335 scfm
9.5 m³/min
Polypropylene or Stainless Steel with Polypropylene Center Section
275 scfm
7.8 m³/min
Maximum free-flow delivery*
Standard diaphragms
300 gpm at 125 psi
1135 lpm at 8.6 bar
Standard diaphragms
280 gpm at 100 psi
1059 lpm at 7 bar
Overmolded diaphragms
270 gpm at 125 psi
1022 lpm at 8.6 bar
Overmolded diaphragms
260 gpm at 100 psi
984 lpm at 7 bar
Maximum Pump Speed*
Standard diaphragms
103 cpm at 125 psi
103 cpm at 8.6 bar
Standard diaphragms
97 cpm at 100 psi
97 cpm at 7 bar
Overmolded diaphragms
135 cpm at 125 psi
135 cpm at 8.6 bar
Overmolded diaphragms
130 cpm at 100 psi
130 cpm at 7 bar
Maximum suction lift (varies widely based on ball/seat selection and wear, operating speed, material properties, and other variables)*
Dry
16 ft.
4.9 meters
Wet
31 ft.
9.4 meters
Recommended cycle rate for continuous duty
35 - 50 cpm
35 - 50 cpm
Recommended cycle rate for circulation systems
20 cpm
20 cpm
Maximum size pumpable solids
1/2 in.
13 mm
Fluid flow per cycle**
Standard diaphragms
2.9 gal
11.0 l
Overmolded diaphragms
2.0 gal
7.6 l
Ambient Temperature
Minimum ambient air temperature for operation and storage. NOTE: Exposure to extreme low temperatures may result in damage to plastic parts
32° F
0° C
Noise (dBa)***
Sound Power
99.1 at 50 psi and 50 cpm, 106.1 at 125 psi and full flow
99.1 at 3.4 bar and 50 cpm 106.1 at 8.6 bar and full flow
Sound Pressure
91.5 at 50 psi and 50 cpm 98.2 at 125 psi and full flow
91.5 at 3.4 bar and 50 cpm, 98.2 at 8.6 bar and full flow
Inlet/Outlet Sizes
Fluid inlet - Polypropylene
3 in. ANSI/DIN flange
3 in. ANSI/DIN flange
Fluid inlet - Aluminum
3 in.-8 npt or 3 in.-11 bspt with 3 in. ANSI/DIN flange
3 in.-8 npt or 3 in.-11 bspt with 3 in. ANSI/DIN flange
Fluid inlet - Stainless Steel
3 in.-8 npt or 3 in.-11 bspt
3 in.-8 npt or 3 in.-11 bspt
Air Inlet - all pumps
3/4 in. npt(f)
3/4 in. npt(f)
Wetted parts
All pumps
Materials chosen for seat, ball, and diaphragm options, plus the pump’s material of construction - aluminum, polypropylene, or stainless steel. Aluminum pumps also have carbon-coated steel
Materials chosen for seat, ball, and diaphragm options, plus the pump’s material of construction - aluminum, polypropylene, or stainless steel. Aluminum pumps also have carbon-coated steel
Non-wetted external parts
Polypropylene
stainless steel, polypropylene
stainless steel, polypropylene
Aluminum
aluminum, coated carbon steel
aluminum, coated carbon steel
Stainless Steel
stainless steel, polypropylene or aluminum (as used in center section
stainless steel, polypropylene or aluminum (as used in center section
Weight
Polypropylene
200 lb
91 kg
Aluminum
150 lb
68 kg
Stainless Steel
255 lb
116 kg
Notes
* Maximum values with water as media at ambient temperature. Water level is approximately 3 feet above pump
** Startup pressures and displacement per cycle may vary based on suction condition, discharge head, air pressure, and fluid type.
*** Sound power measured per ISO-9614-2. Sound pressure was tested 3.28 ft (1 m) from equipment.
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