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3-Way Regulating Ball Valve With Male Thread PN40
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Product Description
How energy efficiency is improved
Efficiency means precise control and working with minimum leakage
Features
- 3-way regulating ball valve for continuous control of cold and hot water in closed circuits
- As a control unit in combination with valve actuators AKM105(S), 115(S) and AKF112, 113(S)
- Control contour integrated directly in the ball
- Control passage characteristic can be set to linear or quadratic with SUT rotary actuator
- Low torque due to collar mounted on O-ring
- Spindle with large sliding surface and PTFE ring
- Ball valve with male thread as per ISO 228-1 G..B
- Body made of DZR (dezincification-resistant) cast brass
- Spindle made of DZR brass with PTFE glide ring
- Ball made of DZR brass, chrome-plated and polished surface
- Spindle seal with double O-ring made of EPDM
- Strainer and screw fitting available as accessories
- Water quality as per VDI 2035
- French drinking water approval ACS
Technical Details
| Parameters | |
| Nominal pressure: | 40 bar |
| Kvs value, mixing passage: | -10...-30% through the control passage |
| Valve characteristic, control passage: | Equal-percentage |
| Valve characteristic, mixing passage | Linear |
| Control ratio of ball valve: | 500:1 |
| Control ratio with actuator: | Approx. 50:1 |
| Ambient conditions | |
| Operating temperature: | -10...130 °C, no condensation |
| Operating pressure: | Liquids: 40 bar (-10...50 °C),35 bar (130 °C), Gases: 20 bar |
Overview
| Type | Nominal diameter | Connection ISO 228-1 | Kvs value | Weight |
| BKRA015F340 | DN 15 | G 1" B | 1.6 m³/h | 0.41 kg |
| BKRA015F330 | DN 15 | G 1" B | 2.5 m³/h | 0.41 kg |
| BKRA015F320 | DN 15 | G 1" B | 4 m³/h | 0.41 kg |
| BKRA015F310 | DN 15 | G 1" B | 6.3 m³/h | 0.45 kg |
| BKRA020F320 | DN 20 | G 1¼" B | 4 m³/h | 0.52 kg |
| BKRA020F310 | DN 20 | G 1¼" B | 6.3 m³/h | 0.4 kg |
| BKRA025F310 | DN 25 | G 1½" B | 10 m³/h | 0.75 kg |
| BKRA032F310 | DN 32 | G 2" B | 16 m³/h | 1.2 kg |
| BKRA040F310 | DN 40 | G 2¼" B | 25 m³/h | 1.84 kg |
| BKRA050F310 | DN 50 | G 2¾" B | 40 m³/h | 2.83 kg |