Calculator
Please use our calculating tool to calculate Cv values, flow rate and pressure loss in valves. Simply select your medium.
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850
piston valve with sealed armature chamber
| Type | 2/2-way |
| Actuator type | direct acting |
| Nominal width | 15,0 mm - 50,0 mm |
| Pressure range | 0,00 - 25,0 bar (see Table) |
| CT value | 4,5 - 49,0 m³/h |
| Housing Material | red brass, stainless steel AISI 303 |
| Sealing material | NBR, EPDM, FKM |
| Ambient temperature | max. +50°C (min. temperature see media temperature) |
| Medium temperature |
with NBR -20 up to +90°C with EPDM -20 up to +130°C with FKM -10 up to +120°C |
| Connector | G1/2, G3/4, G1, G1 1/4, G1 1/2, G2 |
| Electr. connection | plug acc. DIN EN 175301-803 form A |
| Connection voltage | 230V 50Hz, 24V DC, special voltages |
| Voltage tolerance | ± 10% |
| Power input | coil size-ø 60mm - 30W coil size-ø 70mm - 60W coil size-ø 100 mm - 100W |
| Power-on time | 100% ED |
| Protection class | IP 65 with plug mounted |
| Mounting position | solenoid preferably in upright position |
Tables/Diagrams
Stainless Steel
| DN [mm] | pressure range [bar] | connection | flow rate [m³/h] | weight [kg] |
|---|---|---|---|---|
| 15 | 0 – 16 | G1/2 | 4,5 | 1,8 |
| 20 | 0 – 12 | G3/4 | 8,6 | 2,0 |
| 25 | 0 – 8 | G1 | 13,0 | 2,5 |
| 32 | 0 – 25 | G1 1/4 | 21,0 | 3,0 |
| 40 | 0 – 20 | G1 1/2 | 33,0 | 4,0 |
| 50 | 0 – 15 | G2 | 49,0 | 5,1 |
Red Brass
| DN [mm] | pressure range [bar] | connection | flow rate [m³/h] | weight [kg] |
|---|---|---|---|---|
| 15 | 0 – 16 | G1/2 | 4,5 | 1,8 |
| 20 | 0 – 12 | G3/4 | 8,6 | 2,0 |
| 25 | 0 – 8 | G1 | 13,0 | 2,5 |
| 32 | 0 – 16 | G1 1/4 | 21,0 | 3,0 |
| 40 | 0 – 16 | G1 1/2 | 33,0 | 4,0 |
| 50 | 0 – 15 | G2 | 49,0 | 5,1 |
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