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SAWA - Model LET -Submersible Centrifugal Pump
The submersible centrifugal pump can be used for various liquids in all areas of industry. It is made of corrosionresistant stainless stee 1.4435l and is manufactured for submersion depths of 0.3 m to max. 3 m in a modular system. Its special strength is its application diversity since it can also be used for explosion-hazard liquids in EX zones 1 and 2. The pump is specifically suitable for chemicals, solvents, industrial effluents and alcohols. It is manufactured precisely to customer requirements.
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ATEX zone 1
- pumping of solids-laden media with no risk of clogging
- simple modular design
- sturdy design comprising high-quality stainless steel 1.4435 (316L)
- low lifecycle costs and long service life
- for viscous liquids up to approx. 200 mPas
- sturdy, generously dimensioned slide bearings made of hard carbon or SSiC
- for maximum reliability even for liquids with highly abrasive action, e.g. bearing-free design (up to approx. 0.6 m)
- bearing assembly, sealing and connection facilities etc. are always matched to the specific customer requirements
- Flow rate Q max. 100 m3/h
- Delivery head H up to 50 m
- Temperature range minus 30°C to 100°C
- Viscosity up to max. 200 mPas
Chemicals / industry for: Alcohols, methanol, ethanol, solvents, hydrogen peroxide, deionized water, urea, glycol solutions, biodiesel, condensates, etc.
- submersion depth Every pump is adapted to customer requirements, possible submersion depth down to 3 m.
- ATEX for zones 1, 2, 21 and 22
- intermediate bearing assembly - slide bearings made of hard carbon or SSiC - up to 0.6 m submersion depth bearing-free with continuous shaft
- dome cover with or without dome cover and shape to customer requirements
- flushing of intermediate bearings flushing by means of pumped medium or by externally supplied flushing medium
- shaft sealing radial shaft seal rings or optionally with backto- back mechanical seal with external flushing
- motor protection (mechanical protection) Frequent swivelling of the pump back and forth may cause mechanical damage to the motor. A protective cage may alleviate the situation.