Boiler house Feedtank ancillaries
2
Limiting conditions The system is designed for pumping water up to 100 °C from an atmospherically vented tank. Maximum ambient temperature 80 °C.
Selection A system is selected based on circulating approximately 20% of the feedtank contents. Gross feedtank contents litre (kg)
Recirculating feedwater spray systems
Designation
Speed setting
£ 3 000
RFS1
1
3 000 to 6 000
RFS1
2
6 000 to 8 000
RFS1
3
8 000 to 10 000
RFS2
2
10 000 to 30 000
RFS2
3
2.1 6
How to order Example: 1 off Spirax Sarco RFS1 recirculating feedwater spray system.
Dimensions/weights (approximate) in mm and kg M10 For details of the M10 isolating valve refer to separate literature. Fig 12 For details of Fig 12 Y-type strainer refer to separate literature. Spray nozzle A specially designed stainless steel nozzle for distributing the recirculated feedwater within the flash condensing deaerator head. Screwed 1" BSP taper male. Kv = 6.65. RP type pump Three speed induction rotor. BSP union suction and discharge connections. Single phase 240 V, 50 Hz. System pump type Connection Input power watts Weight kg RP1 1" BSP Union 40 to 100 2.5 RP2 1¼" BSP Union 85 to 100 2.5
Spray nozzle
140
28
RP1 type pump
133
75 55
32
RP2 type pump
130
82 52
TI-P401-08 EMM Issue 4
Page 2 of 3
RFS1 and RFS2 Recirculating Feedwater Spray Systems
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