Product: SOFEDY Air Diaphragm Pump Double Diaphragm Heavy Duty Transfer Pump 1/2" Inlet & Outlet Air Operated Pneumatic for Chemical Industrial 13GPM
Brand: SOFEDY
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. 

 Feature:
 Air-operated double diaphragm pump
 With 1/2 inch inlet and outlet
 1/4 Inch air inlet
 3/32 Inch max diameter suspended solids
 Good abrasion resistance
 Chemical resistance and heat resistance
 Serviceability and environmentally sound
 Perfect for use with water
 Ideal for use with low viscosity petroleum fluids
 Solid construction
 Two years warranty

 Specifications:
 Product: Diaphragm pump
 Type: Double diaphragm
 Operation Type: Air-operated
 Model: QBY-15PP Body Material: Polypropylene
 Inlet Port: 1/2 inch (12.7 mm)
 Outlet Port: 1/2 inch (12.7 mm)
 Air Inlet Size: FNPT 1/4 inch (6.35 mm)
 Max Flow Rate: 2 m3/h (13 GPM)
 Suction: 0-5 m (0-16.4 ft)
 Max Suspended Solids: 2.38 mm (3/32 inch)
 Max Head: 69 m (226.4 ft)
 Max PSI: 100 psi
 Temp. Rating: -20℉ ~ 150 ℉
 Self-Priming Dry: 3 m (10 ft)
 Self-Priming Wet: 4.6 m (15 ft)
 Valve Type: Ball
 Ball Material: Santoprene(R)
 Check Seat Material: Polypropylene
 Manifold Connection: Multiport
 Application: Industrial
 Package Size: 31 x 27 x 21 cm (12.2 x 10.6 x 8.3 inch)
 Gross Weight: 4.14 kg (9.13 lbs)

 Package Content:
 1 x Air-Operated Double Diaphragm Pump QBY-15PP 
1 x Product Manual
【HIGH PERFORMANCE】Good abrasion resistance, chemical resistance, and heat resistance.
【ENVIRONMENTALLY SOUND】Bolted construction for leak-free fluid handling.
【HIGH EFFICIENCY】Motor design delivers optimum air efficiency.
【RELIABILITY】Unbalanced air valve ensures no-stall operation.
【VERSATILITY】Multiple porting options for your application needs.

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