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TV 4S are used to preheat the return flow to the heat source in order to reduce the risk of condensation. The valves are fitted with a wheel for manual mixing but can easily – and with advantage – be motorised, e.g. with our Thermomatic controls. The scale is graded on both sides, and can be reversed. All important parts can easily be replaced.
Pump flange R40 / 1 1⁄2” Rp can be pre-fitted on special order. It is also possible to combine different connection dimensions.
2,5/4/6/8/10
Turning angle: | 90° |
Pressure class: | PN 10 |
Mediatemperature: | max. (continual) +110°C |
max. (temporary) +130°C | |
min. 0C | |
Torque (at nominal pressure): | < 3 Nm |
Operating pressure: | 1 MPa (10 bar) |
Connections: | Rp (internal thread), EN 10226-1 |
G (external thread), ISO 228/1 | |
Cu (compression fit), EN 1254-2 |