RD Diaphragm Pump Features
1/2 in (12.7 mm) center-porting and 3/4 in (19.05 mm) end-porting No seals to leak or fail
Quiet running - Less than 85 dBa with easy-to-use remote mufer capability for even lower noise levels
High ow rates in a small, portable package
Polyethylene & Acetal constructions

RD Diaphragm Pump Typical Applications
Machine lubrication servicing
Drum evacuation
Plating and dip tanks
Water treatment
Typical Fluids Handled
Cleaning uids and detergents
Chemicals
Ceramic glazes
Inks
Solvents and ammables
Acids and bases
Husky 515 Air-Operated Diaphragm Pumps
Maximum Fluid Working Pressure
100 psi
Air Pressure Operating Range
30 to 100 psi
Maximum air consumption
28 scfm
Maximum free-flow delivery
15 gpm
Maximum pump speed
400 cpm
Gallons (Liters) per cycle
0.04
Maximum suction lift (water with buna balls)
15 ft dry, 25 ft wet
Maximum size pumpable solids
3/32 in
Operating Temperature Range*
Minimum, all pumps
40° F
Maximum, acetal pumps
180° F
Maximum, polypropylene pumps
150° F
Maximum, aluminum, stainless steel, PVDF pumps
225° F
Sound power level (measured per ISO standard 96142)
At 70 psi (0.48 MPa, 4.8 bar) at 50 cycles per minute
77 dB(A)
At 100 psig (0.7 MPa, 7 bar) at maximum cycles per minute
95 dB(A)
Sound pressure level (measured 1 m from pump)
At 70 psi (0.48 MPa, 4.8 bar) at 50 cycles per minute
67 dB(A)
At 100 psig (0.7 MPa, 7 bar) at maximum cycles per minute
85 dB(A)
Inlet/Outlet Sizes
Air inlet size
1/4 npt(f)
Air exhaust port size
3/8 npt(f)
Fluid inlet size
1/2 and 3/4 in npt(f)
Fluid outlet size
1/2 and 3/4 in npt(f)
Packaging & Shipping

Our Company

RUDI pump (Shanghai Rudi Fluid Conveyor Co., Ltd. ) is a professional manufacturer of air operated diaphragm pump, with over 20-year manufacturing experience in this field. The company has two production bases, three branch offices, and approx. 120 employees in total, among which there are more than 30 engineers. 

Our pumps have achieved more than 30 patents, CE, ISO9001, SGS certificates. Thanks to the reliable quality, we have won big appraise from our clients all these years. 

The air operated diaphragm pumps manufactured by RUDI use compressed air as power source, and it is the most advanced type of diaphragm pumps in market for the moment. It adopts three-way air pilot valve to achieve real no dead stop and faster reversing. Compared with other traditional domestic pumps, it has larger flow rate, more stable operation, and smaller pulsation. It is widely applied in waste water treatment, chemical industry, petrochemical industry, painting, ceramics, environmental protection, printing and dyeing, etc. to deal with all kinds of corrosive, volatile, flammable, poisonous fluids with particles and high viscosity. 

We have the following materials available, and our engineers will select the most suitable and economical material for you according to your specific working conditions. 

Wetted parts material: PP, PVDF, Acetal, Aluminum alloy, Ductile iron, stainless steel, etc. 

Diaphragm material: Teflon, Santoprene, Viton, Hytrel, Buna-N, etc. 

Available inlet/outlet size: 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 2", 3"

Connection type: 
-Threaded connection: Plastic pumps from 1/4" to 1-1/2", and all metal pumps. 
-Fanged connection: Plastic pumps from 1/2" to 3".

Our Services

*All of the enquiry will be replied within 24 working hours

*Professional pump producer, with design team.

*All of the goods are packed with standard export carton with foam inside & wooden case (non-fumigation)

*Support OEM or ODM

*Fast after-service
FAQ

Q1: Are you a factory or a trading company?

A: Factory

Q2: What're your payments?

A: T/T, Western Union, L/C etc

Q3: What about package?

A: Carton with foam & wooden case

Q4: How about the delivery time?

A: Depend on quantity

Q5: How about the MOQ?

A: Usually, it is 10 pcs for each model

Q6: How about the warranty?

A: One year(except for wearing parts)