Single Screw Pumps | DIAMOND

Progressing Cavity Pumps HS series

Hopper pumps for heavy work in the industrial and environmental sectors

Series with a hopper and an auger feed screw to directly convey the product to the hydraulic section are the ideal solution for pumping viscous, non-flowing substances with a very high solids content.

The HS series features a rectangular hopper with an extended auger feed screw leading to the hydraulic section. The length can be customized based on the application. These pumps are suitable for handling poorly flowing substances with up to 35% dry matter content and high viscosity, provided they do not tend to form bridges or blockages. The auger feed screw includes a special device for joint protection.

The inlet cone allows for a perfect feeding of viscous products containing solids to hydraulic. 

The inlet part is separated to facilitate the replacement of the rotor along with the coupling pins between the screw and the joint. Thanks to two simple screws, the rotor can be quickly replaced, ensuring fast and simplified maintenance

The DHS, JNS, and FHS series are distinguished by the type of pump-to-drive coupling.

Operating ranges

Portata
Flow rate
Up to 520m³/h (2290 US gpm)
Pressioni
Pressure
Up to 48bar (696 psi)
Temperatura
Temperature
from -40°C up to 150°C

Models

Size Model QMAX 2 BAR [m³/h] RPM MAX P MAX [bar]
D020 1L1 4,9 1400 6
D020 05K2 2,5 1400 12
D020 025K4 0,7 800 24
D025 2L1 10 1400 6
D025 1K2 5,1 1400 12
05K4 05K4 1,5 800 24
D025 025K8 0,7 800 48
D030 4L1 14 1000 6
D030 2K2 7,2 1000 12
D030 1K4 2,9 800 24
D030 05K8 1,5 800 48
D040 10L1 22 800 6
D040 4K2 11,5 800 12
D040 2K4 4,2 600 24
D040 1K8 2,4 800 48
D040 16L1 32,5 800 6
D040 8K2 16,8 800 12
D040 4K2EL 11,5 800 18
D060 20L1 39,1 700 6
D060 10K2 17,2 600 12
D060 4K4 7,2 500 24
D060 2K8 4,2 600 48
D060 30L1 46 700 6
D060 16K2 21,5 600 12
D060 10K2EL 17,2 600 18
D120 40L1 65,5 600 6
D120 20K2 31 600 12
D120 10K4 11,7 400 24
D120 4K8 7,3 500 48
D120 60L1 82 500 6
D120 30K2 40,5 500 12
D120 20K2EL 31 600 18
D300 80L1 88 400 6
D300 40K2 45 400 12
D300 20K4 21 400 24
D300 10K8 11,7 400 48
D300 120L1 120 400 6
D300 60K2 64,5 400 12
D300 40K2EL 45 400 18
D400 160L1 161 400 6
D400 80K2 90 400 12
D400 40K4 45 400 24
D400 20K8 19,5 350 48
D400 240L1 261 400 6
D400 120K2 116 350 12
D400 80K2EL 90 400 18
D400 40K2E 45 400 24
D400 20K4E 19,5 350 48
D500 320L1 255 350 6
D500 160K2 142 350 12
D500 80K4 56 250 24
D500 40K8 26 250 48
D500 480L1 368 350 6
D500 240K2 185 350 12
D500 160K2EL 142 350 18
D500 80K2E 56 250 24
D500 40K4E 26 250 48
D600 640L1 540 350 6
D600 320K2 280 350 12
D600 160K4 101 250 24
D600 80K8 51 250 48
D600 960L1 802 350 6
D600 480K2 403 350 12
D6 320K2EL 280 350 18
D600 160K2E 142 250 24
D600 80K4E 56 250 48

Materials

Casing materials

Wide selection of cast iron, alloy, and stainless steel bodies, including corrosion-resistant options for harsh environments.

Coatings
On request, solutions such as fluoropolymers and ceramic coatings to ensure superior performance.

Seal Shaft Materials

Steel and special alloy materials with advanced coatings to ensure long durability and resistance, as well as advanced protective coatings such as ceramic oxides and tungsten carbide.

Optional for coupling rod
Joint protection
Coupling rod with feed screw
Anti-settling impeller
Balanced hydraulic joint
(For details, see the brochure constructive options, equipment and installations)

Materials of Rotors

Stainless steel and special alloy materials with advanced coatings to ensure long-lasting durability and resistance.

Materials of Stators

We offer a wide selection of compound materials for stators, designed to ensure high performance and durability in diverse industrial environments.

Among the available options, we can provide elastomers and special materials, including food-grade compounds and high-performance solutions.

Connections

Flanges and threaded connections for various applications, including food-grade models and high-pressure environments.

Compliant with UNI, DIN, and ASME standards

Sealing Systems

Various types of mechanical seals, both single and double, cartridge-style; also available with flushing solutions in accordance with API standards.

Bases

  • standard Base
  • API 676 Base
  • Base with anti-vibration housing (feet spacer)
  • Base with risers
  • Skid with lifting devices
  • Cart for industrial sector (trolley)
    (For details, see the brochure constructive options, equipment and installations)

Optional

Equipment and optional

  • Stator heating jacket
  • Temeprature probe for dry running protection  (standard in the ATEX version) 
  • Flow switch
  • Industrial flanged Bypass (or with threaded connection)
  • Quench Pot flushing
  • Carter to protect the motorization
    (For details, see the brochure constructive options, equipment and installations)

Variants

DHS Series

DHS Series: the motor is directly coupled to the pump via a flange.

This solution is extremely cost-effective and compact, significantly reducing installation costs and simplifying maintenance. The forces generated by the hydraulic part are supported by the motor. Each motor used has been suitably selected according to strict technical parameters and has been subjected to numerous durability tests under heavy loads.

DHS Series

JHS Series

JHS Series: the motor is connected to the pump input shaft via coupling. This solution represents the best solution in terms of performance and durability. All the forces generated by the pump are absorbed by the bearings in the support. These bearings have a very high load resistance. They are mounted with extreme precision on components of the highest quality. It is the best solution when you want to ensure maximum durability and reliability, while requiring larger installation spaces. The bearing holder we designed is modular and can be retrofitted to a single-block pump of the DHS series. Represents the state of the art in this type of installation.

JHS Series

Serie FHS

Serie FHS. La motorizzazione è accoppiata direttamente alla pompa tramite flangia del modulo supporto cuscinetti F. Questa soluzione è la più versatile in quanto permette l'utilizzo di riduttori con flangia e albero di uscita standard, l'accoppiamento con motori idraulici o pneumatici, mantenendo la semplicità e compattezza della classica soluzione monoblocco ed allo stesso tempo garantendo totale reversibilità e le prestazioni superiori del supporto cuscinetti.
Questo modulo supporto cuscinetti può essere applicato su tutta la serie Diamond e consente una rapida manutenzione del gruppo motorizzazione. Quindi FHSC è sinonimo di modularità e affidabilità con qualsiasi tipo di motorizzazione.

Serie FHS

DHSC series

The motor is directly coupled to the pump by means of a flange. This solution is extremely cost-effective and compact, significantly reducing installation costs and simplifying maintenance. The forces generated by the hydraulic part are supported by the motor. Each motor used has been suitably selected according to strict technical parameters and has been subjected to numerous durability tests under heavy loads.

DHSC series

FHSC Series

The motor is directly coupled to the pump via the flange of the bearing support module. This solution is the most versatile as it allows the use of standard flanged gearboxes and output shaft, coupling with hydraulic or pneumatic motors, maintaining the simplicity and compactness of the classic monobloc solution while guaranteeing total reversibility and superior bearing support performance. 
This bearing support module can be applied to the entire Diamond series and allows for quick maintenance of the motor drive. Therefore FHSC is synonymous with modularity and reliability with any type of motor.

FHSC Series

JHSC Series

The motor is connected to the pump input shaft via coupling. This solution is the best solution in terms of performance and durability. All the forces generated by the pump are absorbed by the bearings in the support. These bearings have a very high load resistance. They are mounted with extreme precision on components of the highest quality. It is the best solution when you want to ensure maximum durability and reliability, while requiring larger installation spaces. The bearing holder designed by us is modular and can be installed later in a pump with monoblock holder of the DH series. Represents the state of the art in this type of installation.

JHSC Series

DHS Series

The motor is directly coupled to the pump by means of a flange. This solution is extremely cost-effective and compact, significantly reducing installation costs and simplifying maintenance. The forces generated by the hydraulic part are supported by the motor. Each motor used has been suitably selected according to strict technical parameters and has been subjected to numerous durability tests under heavy loads. 

DHS Series

JHS Series

The motor is connected to the pump input shaft via coupling. This solution represents the best solution in terms of performance and durability. All the forces generated by the pump are absorbed by the bearings in the support. These bearings have a very high load resistance. They are mounted with extreme precision on components of the highest quality. It is the best solution when you want to ensure maximum durability and reliability, while requiring larger installation spaces. The bearing holder we designed is modular and can be retrofitted to a single-block pump of the DHS series. Represents the state of the art in this type of installation.

JHS Series

HS standard Version

Compared to other H series pumps, which are the basic version, this is undoubtedly a robust and capable pump. This version, featuring a hopper and an auger feed screw leading to the hydraulic section, along with the other HS series models, is the ideal solution for pumping viscous, non-flowing substances with a very high solids content.

The HS series features a rectangular hopper and a wide auger feed screw feeding the hydraulic section. The length can be customized based on the application. It is suitable for pumping poorly flowing substances with up to 35% dry matter content, high viscosity, and no tendency to form bridges. The auger feed screw includes a special joint protection device.

HSC Version with open auger feed screw

Series with hopper an auger feed screw to convey directly the product to hydraulic part, are the ideal machines for pumping viscous and non-flowing, with a very high solids content.
The HSC series are the hopper rectangular version with increased auger feed screw to the hydraulics.
The length is customizable depending on application. Suitable for pumping substances poorly flowing with high viscosity that tend to bridge or block. The auger feed screw can be integrated with a special device for joint protection.

 

HS-R Version

HST Version

HS-B Version (with B module)

Series with a hopper and an auger feed screw feeding into the hydraulic section, these machines are ideal for pumping viscous, non-flowing substances with a very high solids content.

The HSB series is equipped with a rectangular hopper and a wide auger feed screw leading to the hydraulic section. The hopper features the "B" Module, which integrates a special wheel device for feeding the auger, preventing bridge formation and facilitating the flow of plastic or pseudoplastic substances.

It is suitable for pumping non-flowing substances with up to 40% dry matter content that tend to form bridges or blockages, and is particularly effective for products that deform under load (pseudoplastic behavior). The auger also includes a special joint protection device

(SEE THE DEDICATED PAGE)

DETAILED CHARACTERISITICS

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