ALPHA2 - Grundfos
4.1 Quick installation tips 5 4.2 Mechanical installation 5 4.3 Changing the power head position 6 4.4 Insulating the pump housing 7 4.5 Electrical connection 8 5. Starting up the product 10 5.1 Venting the pump 10 5.2 First startup 10 6. Product introduction 10 6.1 Product description 10 6.2 Applications 10 6.3 Pumped liquids 11 7 ...
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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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