35Gpm Pneumatic Dual Diaphragm Pump Air-Operated Waste Oil Transfer Pump 120PSI

Pneumatic Diaphragm Pump Air-operated Double Diaphragm Pump 1" Inlet Outlet & Inlet Petroleum Fluids 35 Gpm Max 120psi Aluminum Black

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G组主图OT-MLLCR-3067

High-quality Diaphragm Pump

This Air-operated Double Diaphragm Pump Is Constructed with High-quality Aluminum with Good Abrasion Resistance, Chemical Resistance, and Heat Resistance. It Is Perfect for All Your Needs in Every Industry.

Sealed Ball Valve

Easy Access to Ball Checks and Fluid Caps for Maintenance and Repairs. Motor Design Delivers Optimum Air Efficiency. "Unbalanced" Air Valve Ensures No-stall Operation.

Conveying Materials

Perfect for Use with Water. Ideal for Use with Low Viscosity Petroleum Fluids Including Diesel, Kerosene, Motor Oil and some Waste Oil.

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Manifold Connection: Single
Valve Type: Ball
Ball Material: Acetal
Check Seat Material: Polypropylene
Diaphragm Material: Nitrile
Package Size: 35 X 26 X 23 Cm (13.78 X 10.24 X 9.06 Inch)
Gross Weight: 9.86 Kg (21.74 Lbs)
Package Content:
1 X Air-operated Double Diaphragm Pump
1 X Product Manual
Specifications:
Product: Diaphragm Pump
Type: Double Diaphragm
Operation Type: Air-operated
Model: Qby4-25l
Body Material: Aluminum
Inlet Port: 1 Inch (25 Mm)
Outlet Port: 1 Inch (25 Mm)
Air Inlet Size: Npt 1/2 Inch (12.7 Mm)
Average Air Consumption: 38 Cfm
Max Flow Rate: 9 M3/H (35 Gpm)
Suction: 0-5 M (0-16.4 Ft)
Max Suspended Solids: 3 Mm (1/8 Inch)
Max Head: 84 M (275.59 Ft)
Max Psi: 120 Psi
Max Temp.: 150 ℉
Self-priming Dry: 3 M (10 Ft)
Self-priming Wet: 4.6 M (15 Ft)

Warning: Can Not Use for Corrosive Liquid.

A Diaphragm Pump (Also Known As a Membrane Pump) Is a Positive Displacement Pump That Uses a Combination of the Reciprocating Action of a Rubber, Thermoplastic or Teflon Diaphragm and Suitable Valves on Either Side of the Diaphragm (Check Valve, Butterfly Valves, Flap Valves, or Any Other Form of Shut-off Valves) to Pump a Fluid.

All-bolted Construction

This Diaphragm Pump Is Constructed with All-bolted Construction for Leak-free Fluid Handling. Mounting Brackets for Convenient Installation.

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  • Application:
    Perfect for Use with Water. Ideal for Use with Low Viscosity Petroleum Fluids Including Diesel, Kerosene, Motor Oil and some Waste Oil.
    Warning!
    Can Not Use for Corrosive Liquid.
  • Feature:
    Brand New with Top Quality
    Air-operated Double Diaphragm Pump
    With 1 Inch Inlet and Outlet
    1/2 Inch Air Inlet
    1/8 Inch Max Diameter Suspended Solids
    Perfect for Use with Water
    Ideal for Use with Low Viscosity Petroleum Fluids
    Solid Construction
Working Principle:
In the Pump Two Symmetrical Working Chamber Each Equipped with a Diaphragm, the Center Link Will Be Integrated into One.compressed Air from the Pump Inlet into the Valve, Through the Valve Body to Introduce Compressed Air into One of the Chamber to Promote Movement of the Diaphragm Chamber, While the Other Chamber Gas Emissions. Once the End of the Stroke Is Reached, the Gas Distribution Mechanism Automatically Introduces Compressed Air into the Other Working Chamber to Push the Diaphragm in the Opposite Direction so That the Two Diaphragms Move Back and Forth in Unison.
 
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Fees such as import duties, taxes are not included in the item price or shipping costs. These charges are the buyer's responsibility.
Shipping:
 
2-9 working days to: USA
 
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    • We maintain high standards of excellence and strive for hundred percent customer satisfaction. Feedback is very important to us. We hope that you contact us immediately before you give neutral or negative feedback, so that we can address your concerns. It is impossible to address issues if we do not know about them!
 
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Your satisfaction is our ultimate goal. We work hard to earn your trust and future business. Our certified technicians have tested each item before shipping. The unit comes with 1 year limited warranty on all manufacturing defects.
a) If you receive a defective item, you may return it or ask for a discount. Please contact us within 14 days after you receive the package.
b) What you returned must be intact and in its original packaging as re? u. Customer is responsible for shipping costs of the returned item.
c) We will cover the cost of shipping back t with the shipping rate indicated in the registration page. We will send you a new unit or refund the full payment you paid.
Thank you.
Business Hour
Business Hour: Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
Monday To Friday: 8:30 AM to 5:00 PM (Beijing China time)
Due to time zones, our reply to your questions may not be immediately. But within above working time, we will reply your email within 24 hours. If it's non-workdays, please kindly be patient and wait till Monday.
Please contact us with ebay message.
Please feel free to contact us if you have any questions.
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On Jun 14, 2026 at 19:57:06 PDT, seller added the following information:

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