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AHD/AHS Series Brochure A4

AHD/AHS Series Brochure A4

AHD/AHS Series Brochure A4

Product catalog summary
Overview
The document details Almatec's high-pressure diaphragm pumps, specifically the AHD and AHS series, designed for air-operated double-diaphragm applications. These pumps are made from polyethylene and stainless steel, suitable for high-pressure applications up to 15 bar (218 psig).
Functional Principle
The pumps operate using air-operated double-diaphragm systems with two diaphragms connected by a piston rod. The AHD series includes an internal pressure booster, while the AHS series requires an external booster for high discharge pressures.
Specifications
  • AHD Series: Available in three sizes with capacities of 4, 10, and 20 m³/h (17, 44, and 87 gpm), achieving discharge pressures up to 15 bar with a drive pressure of 7 bar.
  • AHS Series: Available in two sizes, suitable for heavy-duty applications with discharge pressures up to 15 bar, requiring external pressure boosting.
Features & Benefits
  • Corrosion-proof and wear-resistant housing made of polyethylene.
  • Automatic pressure/volume adjustment for filter press feeding.
  • Safe operation without the need for control or safety elements for dry running, overpressure, or speed control.
  • Maintenance-free PERSWING P® air control system.
  • Optional equipment includes pressure boosters, diaphragm monitoring, and stroke counting.
Certifications
Almatec is certified under ISO 9001:2008, ISO 14001:2004, and OHSAS 18001:2007, emphasizing quality management, environmental responsibility, and occupational health and safety.
Applications
The pumps are ideal for filter press feeding, particularly in processes involving chemical waste and sludge. They offer advantages over conventional pumps, such as run dry capability and gentle delivery with attenuated pressure peaks.
Technical Data
The document includes detailed technical specifications, including dimensions, weight, maximum particle size, suction lift, and operating pressures for both AHD and AHS series pumps.
Performance Range
Performance graphs illustrate the relationship between flow rate and total head for various pump sizes and operating pressures.
Performance Data
The document includes flow rate and total head charts for various models, illustrating performance under different pressure conditions. The AHS 25 model with an external booster (special equipment code BO2) is highlighted, indicating potential performance variations with different booster models.
Contact Information
For further inquiries, contact ALMATEC Maschinenbau GmbH, located in Duisburg, Germany. Contact details include phone, fax, and email.
Disclaimer
PSG reserves the right to modify the document's information and illustrations without prior notice. The document is non-contractual and dated October 2018.
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Catalog excerpts

AHD/AHS Series Brochure A4-1

AHD/AHS SERIES Air-Operated Double-Diaphragm Pumps Where Innovation Flows HIGH PRESSURE DIAPHRAGM PUMPS MADE OF PLASTIC AND STAINLESS STEEL AIR-OPERATED DOUBLE-DIAPHRAGM PUMPS CONSTRUCTED OF POYETHYLENE FOR HIGH-PRESSURE APPLICATIONS UP TO 15 BAR (218 PSIG)

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AHD/AHS Series Brochure A4-2

Two Pump Series–One Result AHD internal Series Pump with pressure booster Pump without internal pressure booster The two sizes of the AHS series feature an extremely rugged available in three sizes with housing that is suitable for higher discharge pressures. used for every application under heavy load conditions, from low psig), they can build up discharge pressures variable up to high pressure applications up yields a ratio of drive pressure/ ratio of drive pressure/discharge pressure discharge pressure of more than 1:2. The the corresponding air pressure has to be supplied, typical application...

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AHD/AHS Series Brochure A4-3

AHD & AHS Series at a Glance Features & Benefits • Air-operated double-diaphragm pumps designed for a discharge pressure up to 15 bar (218 psig) • AHD Series (“D“ stands for Duplex) with internal pressure booster • AHS Series (“S“ stands for Simplex) without internal pressure booster, for using with an external booster • Corrosion-proof and wear-resistant housing in solid design made of polyethylene for heavy-duty applications • Double-acting principle of operation • Gentle displacement by compressible drive medium • Maximum capacities of 4, 10 and 20 m³/h (17, 44 and 87 gpm) for AHD pumps resp....

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AHD/AHS Series Brochure A4-4

Special Development for Filter Press Feeding In many industrial processes, substances occur in aqueous muddy form, where the liquid portion must be removed. This can be in production processes, for example in the filtration of edible oils or yeast solutions, but more frequently at the end of a process in waste sludge from various industries from surface finishes to wastewater treatment. The disposal of such sludge is frequently done by compression and drying in a filter press. The AHD Series has been specially developed for feeding filter presses with chemical waste and special sludge. With a...

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AHD/AHS Series Brochure A4-5

Wear Resistant Housing Material & Solid Design All wetted housing parts are made of ultra-high-molecular-weight low pressure polyethylene (PE UHMW) in heavy solid design. PE competes with PP (polypropylene) which is frequently used in the manufacture of pumps. Thermally and chemically speaking, there are virtually no differences between these two. However, the similarity ends where the mechanical properties are concerned: trials based on the sand-slurry method have shown that the abrasion resistance of the PE (upper material sample) is 7 times higher than that of PP (middle material sample) and...

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AHD/AHS Series Brochure A4-6

Spare part kits S for pumps of the AHD/AHS series are compiled for single-shift operation (8 hours per day). These kits ensure that the correct replacement parts are always available in the required quantities. This helps to avoid production stoppages and ensures that the Almatec pumps are always ready for action. Besides, it is cheaper to buy spare parts as a kit than individually. The standard configuration of the suction and discharge ports are according to the illustration: Discharge port to the top, suction port forward. Pump size Dimensions: Width Depth Height Flange connections Air connection...

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AHD/AHS Series Brochure A4-7

Performance Range The following data refer to water at 20°C (68°F) (referring DIN EN ISO 9906). The blue lines state the air consumption in Nm³/min. PSIG mWC Total Head Total Head Total Head 8.8 Flow Rate Flow Rate Flow Rate Total Head Total Head Total Head 22 Flow Rate Flow Rate Flow Rate Flow Rate Flow Rate 17.6 AHS 25 AHS 25 with External Booster AHS 25 with External Booster Flow Rate Flow Rate TotalTotal Head Head Head Total Total Head Total Head Total Head TotalTotal Head Head Head Total Flow Rate TotalTotal Head Head Head Total with External Booster Flow Rate 0 8.8 17.6 26.4 35.2 44 61.6...

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AHD/AHS Series Brochure A4-8

Where Innovation Flows PSG® reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. 10-2018 ALMATEC Maschinenbau GmbH Hochstraße 150-152 47228 Duisburg, Germany Tel: +49 (2065) 89205-0 Fax: +49 (2065) 89205-40 [email protected] almatec.de Copyright © 2018 PSG®, a Dover company

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