Rubber lined PVDF diaphragm pump QBY-K

Lining rubber PVDF diaphragm pump QBY-K

QBY QBY-K diaphragm pump is double diaphragms model. Also it can be called air operated double diaphragm pump(A.O.D.D pump). Application of this pump is very wide. From normal water, oil to chemical, acids, base, etc by using different diaphragms. Pump has good self-priming function, and may pump high viscosity liquids, foodstuff, etc. It is a very convenient pump in all aspects.

QBY is old model, QBY-K is new pump generation with PVDF, PTFE lined.

Working Principle: Double Diaphragms
Main applications: Oil, Water, Chemical, Foodstuff, etc.
Driver: Air operated (Penumatic)
Power Specs: Air-2-7Bar
Max. permissible fluid temperature: 150°C
Type of connection: Flange, Thread, Quick Coupled.
Installation position: Connect to compressor
Casing/Inner parts material: C.I, S.S, PP, Aluminium /PP, PTFE, PVDF.
Shaft seal type: O-rings in pump
Free passage: 3mm-10mm
Maximum viscosity: 5X104CST
Maximum drive rating: 0.2-0.7mpa (2-7bar)
Maximum caliber: 4 inch (100mm)
Maximum dischrage head: 0.5mpa (5bar)
Flow rate range: 0.8-40 m³/h (13.3-667l/m)

Model Inlet/Outlet caliber Capacity Head Suction Max solids dia Max Air pressure
mm m 3/h m m mm kgf/cm 3
QBY-10 10-10 0.8 50 5 1 2-7
QBY-15 15-15 1 50 5 1 2-7
QBY-25 25-25 2.4 50 7 2.5 2-7
QBY-40 40-40 8 50 7 4.5 2-7
QBY-50 50-50 12 50 7 8 2-7
QBY-65 65-65 16 50 7 8 2-7
QBY-80 80-80 24 50 7 10 2-7
QBY-100 100-100 30 50 7 10 2-7

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