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pump
Identification Code
E.g.: RS 25/6
RS: Screwed-end pump
25/: Connection size
6: Rated shut-off head [m]
Motor Data Single phase motor (EM) 2-(pole)-1~230V, 50Hz
| Item NO. | Rated Power P 2 max. W | Steps/Speed d n 1/p.m |
Power inpt P1 W |
Current I A |
Capacitor μ F/v |
Motor Protect |
| RS25/2 RS30/2 |
9 4 2 |
Max 1900 1600 Eco 1100 |
4649 3034 1921 |
0.21 0.15 0.09 |
1.6/400 | 1 |
| RS25/4 RS30/4 |
22 13 7 |
Max 2000 1650 Eco 1200 |
5668 4048 2732 |
0.28 0.20 0.13 |
2.0/400 | 1 |
| RS25/6 RS30/6 |
37 22 12 |
Max 2200 1900 Eco 1200 |
7799 5675 4105 |
0.41 0.31 0.24 |
2.6/400 | 1 |
Non-overloading motor-No extemal overload control required. Always refer to name plate date.
Technical Data
1. Suitable Fluids
Heating water to VDI 2035
Water/glycol mixtures: max. Mixing ratio 1:1
Hydrate coercions required for mixing ratio above 20%
2.Performance
Speed range: 1100-2200pm
Manual 3-speed control
Fluid temperature range:-10℃-+110℃
Max. Working prossure: 10 bars
3.Ambient Temperature
Permissible up to:40℃
4.Power
Mains power: 1~230V, 50Hz
5.Motor
Degree of protection:IP42
Insulation class: 1
Interference emission: EN 50081-1
Interference resistance: EN 50082-2
6.Construction Materials
Pump body: cast iron
Impeller: GF-PP
Shaft: stainless steel
Bearings: graphite
Scope of supply
Pump incl.2 union washers, packing and O&M manual
Accessories
Union connector fittings, thermal insulation
Mounting Positions
Pump shaft in the horizontal plane, terminal box optionally 3,6,9 or 12o’clock
Pump Equipment
Screwed end single head pump
Manual 3-speed control
Non-overloading single-phase motor
Optional left or right cable entry
Special design versions RS25/4 and RS25/6
Bronze body, 180mm port-to-port
Cast iron body 130 mm port-to-port
Measurement-weights
| Item No. | Rp | G | L0 | L1 | L3 | L4 | a | B1 | B2 | B3 | B4 | Weight ca. kg |
| mm | I'N10 | |||||||||||
| RS25/2 | 1″ | 1 1/2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.4 |
| RS30/2 | 1 1/4″ | 2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.6 |
| RS25/4 | 1″ | 1 1/2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.4 |
| RS30/4 | 1 1/2〞 | 2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.6 |
| RS25/6 | 1″ | 1 1/2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.4 |
| RS30/6 | 1 1/4″ | 2″M | 180 | 97 | 90 | 79 | 33 | 100 | 92.5 | 54 | 73 | 2.6 |
