Shanghai, China
Business Type:
Manufacturer/Factory & Trading Company
Number of Employees:
Management System Certification:
Terms of Payment:
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service

Diaphragm Pump, Pneumatic Diaphragm Pump, Air Driven Pumps manufacturer / supplier in China, offering Best Price Strong and Durable Air Pump, Spare Parts of Air Operated Diaphragm Pump: Ball (SS/Buna N/ Hytrel/ PTFE/ Viton), Rd80 New Aluminum Alloy 3 Inch Industrial Chemical Resistant Water Diaphragm Pumps and so on.

Diamond Member Since 2009
Audited Supplier

Best Price Strong and Durable Air Pump

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $300-400/ Piece
Port: Shanghai, China
Production Capacity: 9999 PCS
Payment Terms: L/C, T/T, D/P
Material: Plastic
Power: Pneumatic
Valve Body Type: Diaphragm
Function: Intelligent Type, Fluid Transfer
Size: 1"Inch
Weight: 8kg

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Basic Info

Model NO.
RD25 Stainless Steel
Flow Rate
Long Life
One Year (Except for Wearing Parts)
Transport Package
Carton/Wooden Box
HS Code
- Superior air motor,  no leakage and keep strong driving force even use after long time;  
- Double thicken fluid cover than ordinary pump
- Perfect sealing design
- PP material, diaphragms and all sealing parts imported from USA
- Easy maintenance
- Lube free

CE, BV, SGS, CCS, ISO9001, vessel CCS,35 patents

15 years warranty for air motor, 5 years for pump body

Application area: 
Chemical Industry; Coating Industry; Painting Industry; Dye Industry; Pigment and Textile Chemical Industry; Food Industry; Water treatment Industry; Petroleum Industry; Environmental protection Industry; Pharmaceutical Industry
Max working pressure100psi (0.7Mpa,7bar)
Max flow rate40gpm (150lpm)
Max reciprocating speed276cpm
Max suction height5m
Max permitted grain4mm
Max air consumption60scfm(1.7m3/min)
Air inlet size1/2 in.npt
Air outlet size1/2 in.npt
Fliud inlet size1 in.npt
Fliud outlet size1 in.npt
WeightPP pump 8kg;  PVDF pump 10kg
Company Information:
Shanghai Jianglang Fluid Machine Manufacturing 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 Jianglang 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".

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