The FIRŠT FMV 140 are compact mixing brass valves for use in small and medium sized heating and cooling installations. Valves are available in DN 15 – DN 32.
FIRŠT FMV 140 are manual operated valves designed for use in small and medium sized heating or cooling systems.
One type of connection is available:
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 41166* | FMV 141 DN15 Rp ½" FFF | 15 |
3 |
Rp ½" | 36 | 72 | 45 | 0,41 | |
| 41167 | FMV 141 DN20 Rp ¾" FFF | 20 |
7 |
Rp ¾" | 36 | 72 | 45 | 0,47 | |
| 41168 | FMV 141 DN25 Rp 1" FFF | 25 | 11 | Rp 1" | 41 | 82 | 45 | 0,51 | |
| 41169* | FMV 141 DN32 Rp 1 ¼" FFF | 32 | 15 | Rp 1 ¼" | 47 | 94 | 48 | 0,84 |
| Pressure class: | PN 10 |
| Medium: | water, glycol < 50% |
| Media temperature: | min. -10°C, max. +110°C |
| Leakage (Δ p=1 bar): | max. 0,2% Kvs |
| Max. diff. pressure: | 1 bar |
| Connections: | Rp internal thread (EN 10226-1) |
| Valve body: | Brass, CW617N |
| Shaft and rotor: | Brass, CW617N |
| Bushing: | PTFE |
| O-Rings: |
EPDM,FKM |
