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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.
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| Heating & Cooling Devices |
| Jacket for rotorcase cover for heating the pumphead so as to maintain
the pumped media viscosity and reduce risk of any crystallisation/
solidification. This may also be used for cooling purposes when required. |
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| Connections |
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The Series N pump has screwed female BSPT or NPT inlet and outlet
connections with the option on model N1-000L-H07 only, of 1 in (25 mm)
male screwed adaptors.
Comprehensive choice covering:
- Screwed male adaptors to all major standards including BSP,
DIN11851, IAMD/3A, ISS/IDF, RJT, SMS, Tri-clamp and more.
- Flanged male adaptors to all major standards including
ASA/ANSI150, BS4504/DIN2533, BS10E and more.
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| Pumped Media Seals |
Either single mechanical seals or packed glands may be fitted.
Mechanical seals are available with carbon and stainless steel materials
with the alternative of hard faced seal materials such as tungsten
carbide or silicon carbide where application demands. 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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| Stainless Steel Roloid Gear Rotors |
| For applications where the use of PTFE is prohibited the roloid gear
rotors can be supplied in 316 type stainless steel without PTFE
impregnation. |
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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 or
pneumatic powered prime
movers can be fitted. |
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