RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar

Brand Name RD

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Anti Corrosion Polypropylene Diaphragm Pump


7bar diaphragm pump stainless steel


Polypropylene Diaphragm Pump 340L/Min

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Product Description

RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar


Plastic Diaphragm Pump Advantages:

While outlet pumps and barrel pumps are responsible for emptying containers, plastic diaphragm pump are used for transporting a medium from one location to another. They are among the diaphragm pump types in the highest demand and are used most often in industry. They are also referred to as feed pumps and, depending on type and design, can transport every fluid medium in almost every desired quantity. Since many users often stipulate similar requirements, there are standards that ensure that comparable properties are offered in all pneumatic diaphragm pump.

Plastic Diaphragm Pump Function Description:


A Simple structure,reliable connection ,easy assembly and disassembly.
B Modular design,low air consumption,no dead spots and no need lubrication.
C Enhanced the chamber strength,has long_term durability.
D Bolts connection design,good seal.
E Adopt special grinding machine to process in high roundness and good seal.
F Accurately calculatethe diaphragm moving distance to reduce the force to diaphragm.



Max Working Pressure 120 psi(0.84Mpa, 8.4bar)
Max Flow Rate 118 gpm(446lpm)
Max Reciprocating Speed 200 cpm
Max Suction Height (Dry Sucking) 5m
Max Permitted Grain 0.2 in(5mm)
Max Air Consumption 80scfm(70L/s)
Air Inlet Size 1/2 in.npt(f)
Air Outlet Size 3/4 in.npt(f)
Fluid Inlet Size 1 1/2 in.
Fluid Outlet Size 1 1/2 in.
Net Weight PP pump 16kg; PVDF pump20kg




RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar 0RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar 1

Packing & Shipping:

RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar 2RD40 Anti Corrosion Polypropylene Diaphragm Pump 340L/Min 7bar 3
Our service

* All of the enquiry will be replied within 24 working hours
* Professional air diaphragm pump producer, with design team.
* All of the goods are packed with standard export wooden case (non-fumigation)
* Fast after-service

Company Introduction:


Shanghai Rudi Fluid Conveyor Co.,Ltd is headquartered in Shanyang Town, Jinshan District of Shanghai, with 2 production bases and 3 branches in the mainland of China.

Shanghai Rudi has been awarded as High-Tech Enterprise and Credit Company title in consecutive years

We have strong capability of design, innovation, precision production and tight cooperation with Shanghai universities.

The mainly products are air diaphragm pump and control valves, including: Plastic Diaphragm Pump, Electric Diaphragm Pump, Piston Pump, Powder Pump, Sanitary Pump, Diaphragm Pump with Leakage Detector Controller, Air Diaphragm Regulating Valve, Control Valve, Sequencing Valve and so on products.

The air diaphragm pump and valves have been granted more than 40 patents, including 10 invention patents.Shanghai Rudi participated in setting norms and standards for technical specification for pneumatic diaphragm pumps in petrochemical industry, according to the national standard No.: SH/T 3191-2017. Besides, Shanghai Rudi obtains necessary certificates such as TS.A National Manufacturing License, CE, ATex, ISO9001, SGS and so on certificates.



1. Q: What is MOQ?
A: 1pc for regular product. Samples are available and sample cost can be deducted from future orders.

2. Q: What's the payment?
A: D/P, T/T, Western Union , please confirm with us with exact order.

3. Q: What is the delivery time for air diaphragm pump?
A: Depend on the quantity.

4. Q: What about package for air diaphragm pump?
A: Cartons with foam inside & wooden case.

5. Q: How are the products delivered to us?
A: By International express.

6. Q: How long is the warranty for air diaphragm pump?
A: 1 year warranty. (except wearing parts)

7. Q: Whether the products can be made of different standard?
A: Of course yes. We could produce product according to custom need.