- Superior air motor design with no leakage and strong driving force even after long-term use;
- Double-thick fluid cover for enhanced durability compared to standard pumps;
- Excellent sealing system ensures minimal leaks and high efficiency;
- Made with PP material, with diaphragms and all sealing parts imported from the USA;
- Easy to maintain and lube-free operation;
- Designed similarly to Graco (Husky) pumps, allowing for interchangeable spare parts with Graco and Verder.
Diaphragm Pump Certifications:
CE, BV, SGS, CCS, ISO9001, Vessel CCS, and 35 patents certified.
Diaphragm Pump Warranty:
15 years warranty on the air motor, 5 years warranty on the pump body.
Diaphragm Pump Application Areas:
Chemical Industry; Coating Industry; Painting Industry; Dye Industry; Pigment and Textile Chemical Industry; Food Industry; Water Treatment; Petroleum; Environmental Protection; Pharmaceutical Industries.

Type | RD15-SS |
Inlet size | 1/2"; 3/4" |
Outlet size | 1/2"; 3/4" |
Air inlet size | 1/4" |
Suction lift (dry) | 4m |
Max. working fluid pressure | 7bar; 0.7MPa |
Max. flow rate | 50 l/min (3.0m³/h) |
Max. delivery lift | 70m |
Max. grain diameter | 2.5mm |
Weight | 8kgs |
Body material | Stainless Steel |

Our Company
RUDI Pump (Shanghai Rudi Fluid Conveyor Co., Ltd.) is a professional manufacturer of air-operated diaphragm pumps with over 20 years of experience in this field. The company has two production bases, three branch offices, and approximately 120 employees, including over 30 engineers.
Our pumps have received more than 30 patents, along with CE, ISO9001, and SGS certifications. We are known for our reliable quality and have earned great recognition from our customers over the years.
The air-operated diaphragm pumps produced by RUDI use compressed air as a power source and are considered among the most advanced in the market. They feature a three-way air pilot valve for smooth and fast reversing action. Compared to traditional domestic models, these pumps offer higher flow rates, more stable performance, and reduced pulsation. They are widely used in wastewater treatment, chemical, petrochemical, painting, ceramics, environmental protection, Printing, and dyeing industries for handling corrosive, volatile, flammable, and high-viscosity fluids with particles.
We offer a wide range of materials for wetted parts and diaphragms, and our engineers will recommend the most suitable and cost-effective options based on your specific application conditions.
Available Wetted Parts Materials: PP, PVDF, Acetal, Aluminum Alloy, Ductile Iron, Stainless Steel, etc.
Available Diaphragm Materials: Teflon, Santoprene, Viton, Hytrel, Buna-N, etc.
Available Inlet/Outlet Sizes: 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 2", 3"
Connection Types:
- 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 inquiries will be replied within 24 working hours
*Professional pump producer with an experienced design team
*Standard export packaging with foam inside and wooden cases (non-fumigation)
*Support for OEM or ODM orders
*Fast after-sales service
FAQ
Q1: Are you a factory or a trading company?
A: Factory
Q2: What are your payment terms?
A: T/T, Western Union, L/C, etc.
Q3: What about the packaging?
A: Carton with foam and wooden case
Q4: How long is the delivery time?
A: Depends on the order quantity
Q5: What is the MOQ?
A: Usually 10 pieces per model
Q6: What is the warranty period?
A: One year (excluding wearing parts)
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