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Kieback&Peter · Three-way valve
RF65
RF65 is a DN65 grey cast iron three-way flanged mixing valve, PN16, for water and glycol mixes to 120 °C.
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Part numberRF65
Datasheet, PDF
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Specification
Communication
- Connection
- Flanges EN 1092-2 type 21
Environment
- Medium temperature
- 0 to 130 °C (maximum 120 °C at 16 bar)
Performance
- Nominal size
- DN65
- Nominal pressure
- PN16
- Kvs
- 63
- Stroke
- 30 mm
- Characteristic
- Equal percentage A to AB, linear B to AB
- Leakage rate
- Class VI, EN 1349
- Face to face length
- 290 mm
- Flange diameter
- 185 mm
- Closing pressure
- 6.2 bar with MD250/230
Physical
- Housing material
- Grey cast iron EN-JL1040; brass CW614N cone; CrMo steel 1.4122 spindle
- Weight
- 18.8 kg
From the manufacturer's datasheet for RF65.
Overview
RF65 is a three-way control valve with a grey cast iron body, EN 1092-2 flanges, a brass cone and a CrMo steel spindle. It mixes or diverts water and water-glycol mixes in heating, cooling and ventilation circuits. Port A to AB has an equal percentage characteristic and port B to AB is linear. A blank flange (BF) on port B turns it into a two-way valve. The stem seal is a maintenance-free EPDM O-ring pack and seat leakage is class VI to EN 1349. It is operated by the Kieback&Peter MD250 or MF250 actuator (2500 N) with a 30 mm stroke.