EASY MAINTENANCE
Low internal volume reduces waste and makes clean-up easy
Stainless steel bolts resist corrosion and provide positive positioning for easy reassembly

UNIQUE, PATENTED AIR VALVE
Three-way pilot valve for no-stick operation
All parts are replaceable without opening wet body parts
No air-line lubrication required
PRECISION-FITTED PARTS
Long-wearing End Bearings assure positive rod alignment and are easy to replace

PROTECTIVE EXHAUST PORT
Common port for all exhaust prevents vapors in room from attacking air motor seals
Easily submerges for sump or disposal operations sitting idle
RUGGED EXTERIOR CONSTRUCTION
Construction resists corrosion, prevents leakage and ensures clean fluid changes
Aluminum center sections are epoxy coated

FLUID COMPATIBILITY
Housings available in aluminum, stainless steel, ductile iron, polypropylene, groundable acetal or Kynar

POSITIVE SEAL DESIGN
Diaphragm firmly locked in place
Formed bead acts as a positive fluid seal
One thru-hole
HEAVY DUTY DIAPHRAGM PLATES
Positive grip plates virtually eliminate leakage and pull-out,
Preventing costly downtime
LONG LASTING ROD DESIGN
300 Series stainless steel rod designed for long life and corrosion resistance - Even in wet air

EASY ALIGNMENT
Bolted, self-aligning air and fluid sections
CHOICE OF ELASTOMERS
Wide range of seat and ball options ensure fluid compatibility and positive seal for maximum efficiency, long life and better suction liftPackaging & 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: PTFE, 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)