HM – Piston Diaphragm Pumps
Reliable pumping of abrasive Media
ABEL HM Pump Series
The ABEL HM pump series has been specifically developed for operations with increased flow rates combined with high operating pressures, even in continuous operation. They thus convince with increased performance, reliable functionality and especially low operating and maintenance costs. The ABEL HM is available with 2, 3 or 4 diaphragms – in ABEL short form: HMD, HMT, HMQ.
Robust and durable Design
The ABEL HM Pumps are equipped with pre-formed diaphragms that do not stretch or deform during operation. A regulating-valve installed on the hydraulic side of the unit monitors not only the front diaphragm, but also the rear diaphragm position.
Our concept of diaphragm monitoring, which provides a high service life, is the main reasons for the reliability and durability of this pump series. The ABEL HM is therefore particularly advantageous when working with very difficult media. In conjunction with our decades of design experience, we are able to set new standards for pumping technology and equipment, that are regarded as the market leader by many industries around the world.
Housing
- Nodular cast iron
- Stainless steel
- Rubber lined
- Polypropylene
Valve Type
- Ball Valve
- Cone Valve
- Reverse Valve
Applications
- Tailings/Sludge/Fluid Transfer
- Filter Press Feed
- Autoclave Feed
- Rotary Kiln Feed
- Gland Seal Water
- Spray Dryer Feed
- Thickener Underflow
- Mine Dewatering
- Mine Backfilling
HMD – Piston Diaphragm Pumps
Medium Flow Rates
The double-acting pump (HMD) is suitable for applications up to 90 m³/h (400 GPM) and 10 MPa (1450 psi). In this performance range, typical applications are the feeding of filter presses and spray dryers and the transport of various media. If required, the HMD is also available in ATEX design.
Proven and versatile in Use
The pumped media can be chemical, galvanic, ceramic or other sludges produced in industrial processes. The HMD is also used in wastewater treatment plants, to convey municipal wastewater and sludge. When utilized as a filter press feed pump with a pressure sensor control, this piston diaphragm pump is very energy efficient, has a long service life and a high operational capacity.
The HMD has been an integral part of ABEL’s pump range for years and has more than proven itself, so that today there are far more than 1000 HMD pumps in the field.
HM Operation Principle
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HMQ – Piston Diaphragm Pump
Efficient handling of High Flow Rates
The ABEL HMQ has 4 preformed diaphragms and thus is designed for higher performance ranges than the HMD and HMT. The HMQ come to the fore when large volumes (up to 410 m³/h – 1805 GPM) of abrasive materials need to be transferred under high-pressure (up to 25 MPa – 3625 psi) conditions. This applies in particular to slurries with a high mineral content, such as in mining.
The best Choice for Mining Applications
From tailings management and mine dewatering to backfilling, the ABEL HMQ is used successfully in mining. Mines around the world rely on an ABEL piston diaphragm pump in their production process because of its reliability and safety against failures. In combination with the ABEL Smart Pump Assistant, operators can even increase reliability and safety, as the monitoring system makes predictions and thus acts preventively. Failures can be reduced to a minimum with the SPA and maintenance becomes more plannable.
Short Payback Period
The initially higher investment costs of an ABEL HMQ piston diaphragm pump compared to other pump systems, soon redeem themselves in a relatively short time. The main reasons for this amortization are the reduced energy costs, increased operating time and lower maintenance costs based on experience.
HMT – Piston Diaphragm pump
For more demanding Pump Applications
The piston diaphragm pump for more extreme pumping applications up to 210 m³/h (905 PM) – up to 25 MPa (3625 psi). High operating pressures in connection with increased flow rates place particularly high demands on the pump. When abrasive materials with an increased SC-content are present, many industrial partners decide on an ABEL HMT.
