QBK65 aluminium air-operated diaphragm pump with PTFE diaphragms and 2.5" ports

QBK65 Air Diaphragm Pump, Aluminium Body, 280 L/min, 2.5″ Ports

Name: QBK65 Air Diaphragm Pump, Aluminium Body, 280 L/min, 2.5" Ports
SKU: KMN-VALV-0033
Price: 14033.25 ZAR
Availability: InStock

SKU KMN-VALV-0033

A 2.5" air-operated aluminium diaphragm pump for high-volume dewatering and bulk transfer, delivered from Polokwane to all nine provinces.

R14 033,25

Moves up to 280 L/min through 2.5″ ports with compressed air only
Self-priming to 7 m, with PTFE diaphragms and solids up to 8 mm
Aluminium body, maximum discharge pressure 6.9 bar
Air consumption up to 900 L/min, no electrical supply

Delivered by our own trucks in 1 to 3 days. R550 / R950 / R1,450 by order weight. FREE on orders of R20,000 or more with code KH027. Delivery details

Specifications

Flow rate	280 L/min (maximum)
Max head / pressure	6.9 bar discharge, 7 m suction lift
Voltage / phase	N/A (air-operated, no electrical supply)
Power	Compressed air, up to 900 L/min
Inlet / outlet	2.5" / 2.5"
Self-priming	Yes (7 m suction lift)
Duty cycle	N/A (air-operated, no motor)
Fluid compatibility	Fuels, oils, water-based liquids and compatible chemicals, depending on body material
Body / wetted materials	Aluminium body, PTFE diaphragms
Max solids size	8 mm
Viscosity range	1 to under 10,000 cP
Net weight	31 kg
Shipping weight	47 kg
Dimensions	560 × 360 × 770 mm

Description

Overview

The QBK65 aluminium air-operated double diaphragm pump moves up to 280 L/min through 2.5″ ports, powered by compressed air alone. It self-primes to a 7 m suction lift, delivers up to 6.9 bar, passes solids up to 8 mm and carries PTFE (Teflon) diaphragms.

The aluminium body is the cost-effective choice for fuels, oils and water-based liquids, and it keeps the pump light enough to move by hand. For acids or caustic liquids, choose the polypropylene or stainless steel versions instead. Because there is no electric motor, you can run it wherever you have an air line, and it keeps pumping against a closed outlet. Browse more diaphragm pumps, or compare the QBK65 polypropylene diaphragm pump and the QBK50 and QBK65 seal kit.

Key features

Flow of up to 280 L/min through 2.5″ inlet and outlet
Maximum discharge pressure of 6.9 bar, suction lift of 7 m
Self-priming, with solids up to 8 mm and viscosity up to 10,000 cP
Air consumption of up to 900 L/min, no electrical supply
Aluminium body with PTFE diaphragms
2.5″ ports give the highest flow in the QBK range

Where it works

At 2.5″ this is the highest-flow pump in the QBK range, used for dewatering large sumps, bulk tank transfers and moving thick process liquids. Contractors, quarries and treatment works pick it when a 2″ pump is just short of the flow they need. Quarries and civil contractors in Gauteng and the Western Cape use this size for fast sump dewatering.

Fit an air filter and regulator, and match your compressor to the 900 L/min maximum air consumption.

What’s in the box

QBK65 air diaphragm pump
Ask us what fittings and accessories are included with your order

Delivery and warranty

Kamano delivers with its own trucks from Polokwane to all nine provinces in 1 to 3 days. Delivery is free on orders of R20,000 or more (VAT incl.). Below that, the fee follows total order weight: this item ships at 47.0 kg, so expect R950 for loads of 30 to 60 kg. Ask us for the warranty terms on this model.

Questions about this product

What compressor do I need for the QBK65?

The QBK65 uses up to 900 L/min of compressed air at full flow, so size your compressor to deliver at least that at working pressure. A smaller compressor still runs the pump but limits its flow. Fit an air filter and a regulator so you can throttle flow and pressure, and keep air pressure at or below 6.9 bar.

Can the aluminium QBK65 pump diesel and oil?

Yes, aluminium suits diesel, oils and many water-based liquids, and it is lighter and cheaper than stainless steel. Avoid strong acids and caustic liquids, which attack aluminium. For those, choose the polypropylene or stainless steel version. Tell us the liquid and we will confirm the right body before you order.

Do you deliver this pump to Worcester?

Kamano delivers with its own trucks from Polokwane to all nine provinces in 1 to 3 days. At 47.0 kg shipping weight this falls in the 30 to 60 kg band (R950). Delivery is free once your order reaches R20,000 (VAT incl.).

Nationwide delivery from Polokwane

Delivered to all nine provinces in 1 to 3 days

We deliver the QBK65 Air Diaphragm Pump, Aluminium Body, 280 L/min, 2.5" Ports with our own trucks to Johannesburg, Pretoria, Cape Town, Durban, Gqeberha, Bloemfontein, Polokwane, Mbombela, Richards Bay, Tzaneen, East London, Klerksdorp, Stellenbosch and Secunda, and to farms, mines and sites in between. This item ships in the R950 delivery band (30 to 60 kg). Orders of R20,000 or more deliver free with code KH027.

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