ALPHA2 - Grundfos
8.1 Elements on the control panel 13 8.2 Display 13 8.3 Setting the pump 13 8.4 Selection of control mode by application 13 8.5 Pump control 14 8.6 Pump performance and operating mode selection 15 9. Fault finding the product 16 10. Technical data 18 10.1 Operating conditions 18 11. Disposing of the product 19 Prior to installation, read this ...
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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 …
ALPHA - Grundfos
api.grundfos.comDec 11, 2020 · 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. The temperature of the hot water source must not be high enough to cause burns or scalding.
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 ...
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