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| Pump Overload Protection |
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For essential overload protection to protect pump, drive unit and also
limit pressure build up within associated process equipment.
Pressure relief valve - supplied as an integral part of the pump and
not requiring any external pipework. The design is such that the valve
mechanism is isolated from the pumped media. Mechanical or
pneumatic operation is available for both pressure/safety and cleaning
bypass.
Pump Protection Unit (PPU) - supplied as an alternative to mechanical
relief valves. Incorporating micro-controller technology the PPU detects
and reacts to changes in load conditions.
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| Surface Finish & Coatings |
| To enhance standard surface finish or for hygiene purposes, the
pumphead and rotors may be electro polished. For abrasive applications
the stainless steel pumphead and rotors may be supplied with a
tungsten carbide coating or other surface hardening treatment to
increase wear resistance. |
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| Interchangeable Rotors |
| Mathematically defined profile and precision manufacture ensure
interchangeability of rotors with sealed involute splines giving accurate
position, location and positive rotor drive.
Option of bi-lobe rotors in stainless steel for handling products
containing large delicate solids, or bi-lobe rotors manufactured from
non-galling alloy for increased efficiencies. Elastomeric tri-lobe rotors
can also be offered where the application dictates. |
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| Pumped Media Seals |
| The optimum primary seal can be chosen to match the pumped media
and duty conditions. Single or double mechanical seals include flushed
or aseptic variants. For arduous duties hard faced seal materials such as
tungsten carbide or silicon carbide can be used. Packed glands offer a
simple, low cost, and easy to maintain controlled leakage sealing
arrangement.
Pumped media wetted elastomers are EPDM, NBR, FPM all FDA
conforming or PTFE for chemical applications. |
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| Heating & Cooling Devices |
| These are primarily used for heating the pumphead so as to maintain
the pumped media viscosity and reduce risk of any crystallization/
solidification. They may also be used for cooling purposes when
required. |
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| Connections |
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Comprehensive choice covering:
- Screwed male connections to all major standards including BSP,
DIN11851, IMDA/3A, ISS/IDF, NPT, Rdg, RJT, SMS, Tri-clamp
and more.
- Flange connections to all major standards including ASA/ANSI150,
BS4504/DIN2533, BS10E and more.
- Enlarged diameter and rectangular ports for handling very high
viscosity products.
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| Motorized Pump Units |
Pumps may be supplied fully motorized with fixed or variable
speed drives including appropriate control systems if required,
mounted on either mild or stainless steel baseplates.
In addition to electric motor drives, hydraulic,
pneumatic, diesel or gasoline powered prime
movers can be fitted. |
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