Features and Details
Top-quality double PTFE membranes: The pneumatic double-diaphragm pump is equipped with PTFE diaphragms that are durable, corrosion-resistant, and designed for long-term use. Max. temperature: 66 °C; Max. pressure: 6.9 bar; Max. flow rate: 33.3 L/min; Max. lift: 69 m.
Durable and airtight construction: The pump housing is made of polypropylene with screw connections designed to prevent leaks. The design is durable and corrosion-resistant for long-term use.
Effective pneumatic performance: Inlet/outlet connection size: 12.7 mm; air inlet size: 6.35 mm (FNPT 1/4"). A high-quality O-ring and double-acting seal improve air efficiency and ensure stable operation.
Professional design: Equipped with an external air distribution system and a stainless steel modular air valve. Low pulsation ensures smooth and rapid switching, increasing efficiency and reducing downtime.
Wide range of applications: Suitable for pumping various liquids, including waste oil, alcohol, hydraulic fluid, gasoline, diesel fuel, detergents, and beverages. Widely used in the petroleum, metallurgy, mining, coatings, printing, water treatment, and automotive industries.
QBY4-15 Pneumatic Double-Diaphragm Pump – 33.3 L/min
This pneumatic double-diaphragm pump with a 12.7 mm inlet and outlet ensures efficient and reliable fluid transfer in a variety of industries. Its bolted construction and externally accessible air distribution system ensure convenient operation and maintenance. Widely used in the petroleum, metallurgy, mining, coatings, printing, paper manufacturing, water treatment, and automotive industries.
Key Features
Durable polypropylene housing
The housing is made of polypropylene with screw connections, ensuring a stable, corrosion-resistant, and airtight design. Max. temperature: 66 °C; Max. pressure: 6.9 bar.
Double PTFE Diaphragm Self-priming design with double PTFE diaphragms that are resistant to corrosion and wear. Max. flow rate: 33.3 L/min; Max. lift: 69 m.
Professional pneumatic design. Designed in accordance with international standards for reliable operation. Inlet/outlet connection size: 12.7 mm; air inlet size: 6.35 mm; air nozzle: 8 mm.
Ball Valve Easily accessible ball valves and fluid covers for simple maintenance. An optimized air system ensures efficient, uninterrupted operation.
Capable of pumping waste oil, alcohol, hydraulic fluid, gasoline, diesel fuel, detergents, drinking water, and other liquids.
Specifications
Model: QBY4-15
Housing material: polypropylene
Diaphragm material: PTFE
Inlet connection: 12.7 mm
Outlet connection: 12.7 mm
Air inlet size: 6.35 mm
Air nozzle: 8 mm
Maximum flow rate: 33.3 L/min
Suction head: 0–5 m
Maximum solid particle size: 2.38 mm
Maximum lift height: 69 m
Valve seat material: polypropylene
Package Contents
1 × QBY4-15 Pneumatic Double-Diaphragm Pump
1 × User Manual
Technical Specifications
Model: QBY4-15
Housing material: polypropylene
Diaphragm material: PTFE
Inlet connection: 1/2" (12.7 mm)
Outlet connection: 1/2" (12.7 mm)
Air inlet size: 1/4" (6.35 mm)
Air nozzle: 0.32" (8 mm)
Maximum flow rate: 8.8 GPM (33.3 L/min)
Suction lift: 0–5 m (0–16.4 ft)
Maximum solid particle size: 2.38 mm (3/32")
Maximum lift: 69 m (226.4 ft)
Valve seat material: polypropylene
