The Baelz throttle valve, part number 340-2-B-DN 25-PN 16/25-Kvs 9,6 (Best. No. 340-2020), is engineered with a DN 25 size, PN 16/25 rating, and a Kvs value of 9.6. Built with a GJS-400-18-LT (5.3103) chassis and a 10 mm spindle diameter, it operates at temperatures up to max. 240°C with pressure parameters of max. 240°C/19.3 bar and 50°C/25 bar, supporting a max allowable delta p of 16 bar and a 12 mm stroke. This valve is supplied without a drive in its base configuration but pairs with the included linear diaphragm actuator (Best. Reference 373-P21-015) featuring 3 springs at the bottom (373-P21-3-FU-S21-22mm). The actuator requires a control air pressure of 3 bar (max. 6 bar) for ambient conditions of 0 to 80°C and 0 to 70% RH, supporting up to max. 22 mm stroke, and includes a drive stand, coupling (S21), and a plug connection for an 8 mm hose diameter.
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| Manufacturer | Baelz |
|---|---|
| Country | |
| Part number | 340-2-B-DN 25-PN 16/25-Kvs 9,6 |
| Inner Code | 5166995 |
| Product type | Throttle valve with linear diaphragm actuator |
|---|---|
| Best. No. | 340-2020 |
| Material / Chassis | 5.3103 (GJS-400-18-LT) |
| Max. temperature | 240°C |
| Stroke | 12 mm |
| Pressure rating | max. 240°C/19.3 bar - 50°C/25 bar |
| Spindle diameter | 10 mm |
| Nominal size (DN) | 25 |
| Nominal pressure (PN) | 16/25 |
| Kvs value | 9.6 |
| Max. allowable delta p | 16 bar |
| Best. Reference | 373-P21-015 |
| Actuator type | Linear diaphragm actuator |
| Spring configuration | 3 springs at the bottom (373-P21-3-FU-S21-22mm) |
| Ambient conditions | 0... 80°C, 0... 70% RH |
| Required control air pressure | 3 bar, max. 6 bar |
| Max. actuator stroke | 22 mm |
| Hose diameter plug connection | 8 mm |