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ALPHA - Grundfos
Dec 11, 2020 · ALPHA circulators must not be used for the transfer of flammable liquids such as diesel oil, gasoline or similar liquids, and must not be used to circulate aggressive liquids such as acid or seawater. In domestic hot water systems, the temperature of the pumped liquid must always be above 122 °F (50 °C) due to the risk of legionella.
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Mechanical shaft seals for pumps
api.grundfos.comThe shaft seal forms a barrier between what is inside the pump and the atmosphere. A pump with a through-shaft is not completely sealed. It is a challenge to the entire pump industry to minimise leakage. There are countless variants of shaft seals, reflecting the diversity of …
GRUNDFOS A WIDE RANGE
api.grundfos.com3 A global business With more than 18,500 employees and an annual production of some 16 million pump units a year, Grundfos is one of the world's leadi ng pump manufacturers.
GRUNDFOS SUBMERSIBLE MOTOR GUIDE
api.grundfos.comThree Phase Power Supply Unbalance For three phase systems a true full 3-Phase Delta {3 pot system} transformer setup is recommended or one true 3 phase transformer. This system, although much better than an open delta 2 pot system, still does not guarantee good balanced power. Load unbalance can still occur on this
CM - Grundfos
api.grundfos.comIf the pump is installed above the liquid level, a non-return valve must be fitted in the inlet pipe below the liquid level. See fig. 4. Self-priming pumps We recommend an opening pressure of the non-return valve which is lower than 0.05 bar. Otherwise, the additional resistance will reduce the suction capability of the pump.
DOSING PUMPS, MEASUREMENT & CONTROL AND …
api.grundfos.comMechanical diaphragm dosing pumps DMX: mechanical diaphragm dosing pumps “Pre-selected Range” up to 765 l/h DMX pre-selected range is the fast lane to reliable, tough ... available in simplex and duplex versions • Integrated pressure relief valve and active diaphragm protection system • Available with ATEX design – certified for EX ...
Circulator pumps - Grundfos
api.grundfos.comEnergy savings High-efficient permanent-magnet motors. Flexibility Suitable for installation in existing systems. Comfort Low-noise operation. Safety Built-in electrical and thermal protection of the pump. User friendliness Simple setting and operation. Type key * Exception: UK version, size 15 = 1 1/2". Performance range Fig. 1 Performance range
GRUNDFOS, DES POMPES DE QUALITE SUR TOUTE LA …
api.grundfos.com8 Caractéristiques techniques Débit : max. 10 m3/h Hmt : max. 12 m Temp. du liquide : -25 °C à +110 °C Pression de service : max. 10 bar Applications
Spare parts CATALOGUE
api.grundfos.com125 1 1 BAQE = standard 0 Bare shaft pump 160 2 3 DAQF 1 0.37 200 3 5 BQQV 2 0.55 250 4 7 BAQV 3 0.75 315 5 8 AAQE 4 1.1 360 7 9 AAQV 5 1.5 400 8 A SNE Packing 6 2.2 500 9 B SNO Packing 7 3 630 C C SNF Packing 8 4 D SKO Packing 9 5.5 E GQQE A 7.5 F GQQV B 11 G BQQE C 15 H AQQE D 18.5 I AQQV E 22 J DQQE F 30 Pump size suction-disch. Code K …
MGE motors - Grundfos
api.grundfos.comThe motors incorporate a PI controller. You can connect the motors to a signal from an external sensor and a setpoint signal enabling control in closed loop. You can also use the motors for an open-loop system in which the setpoint signal is used as a speed control signal. The motors incorporate an operating panel which is available in various ...
GRUNDFOS DATA BOOKLET
api.grundfos.com1. General data 3 Circulator pumps 3 Type key 3 Performance range 3 Applications 4 ... petrol and similar liquids. TM03 8990 4507 TM03 8989 4507 TM03 9890 4507 TM03 9887 4507. ... GRUNDFOS ALPHA2 1 Faults preventing the pump from operating properly (e.g. blocking) are indicated in the display by "- -". ...
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**READ CAREFULLY** Gas Tax Repeal Petition Instructions ...
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GRUNDFOS CIRCULATORS FOR HEATING AND HOT WATER …
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TACO ZONE CONTROLS WIRING GUIDE
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AURORA INDUSTRIAL PRODUCTS
rciusa.netCustom In-Line Circulators Temperature: Up to 225˚F (107˚C) Working Pressure: Up to 175 psi (1207 kPa) • Radially-split body can be left in the line while servicing the pump. Eliminates needless disconnecting of pipes. • Shafts have integral thrust collars, heat-treated to provide long life under severe duty conditions.
Circulators and Isolators, unique passive devices AN98035
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APPLICATIONS - Salmson
www.salmson.comCOMPETITIVE CHANGES • Connection to 3~ 230 V* • Rotor-shaft • The hollow shaft ensures a circulation of water that allows automatic venting and
Nuclear Reactor Types - Stanford University
large.stanford.eduHeavy Water Cooled and Moderated The only design of heavy water moderated reactor in commercial use is the CANDU, designed in Canada and subsequently exported to several countries.In the CANDU reactor, (see Fig 1.2) unenriched uranium dioxide is held in zirconium alloy cans loaded into horizontal zirconium alloy tubes.