The FIRŠT FMV 131E, 132E and 133E are compact brass valves for use in small
and medium sized heating and cooling installations.
FIRŠT rotary mixing valves are designed for use:
within commercial & domestic heating systems e.g. radiator, underfloor, radiant panel,
mixing circuits, plant room, heat pumps, HVAC systems and in solar heating systems...
Three types of connections are available:
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 42012 | FMV 131E DN15 Rp ½" FFF | 15 | 4 | Rp ½" | 36 | 72 | 56 | 0,48 | |
| 42013 | FMV 131E DN20 Rp ¾" FFF | 20 | 6,3 | Rp ¾" | 36 | 72 | 56 | 0,55 | |
| 42014 | FMV 131E DN25 Rp 1" FFF | 25 | 10 | Rp 1" | 41 | 82 | 56 | 0,64 | |
| 42015 |
FMV 131E DN32 Rp 1¼"
FFF
|
32 | 15 | Rp 1¼" | 47 | 94 | 59 | 1,0 | |
| 42016 | FMV 131E DN40 Rp 1½" FFF | 40 | 25 | Rp 1½" | 53 | 106 | 66 | 1,6 | |
| 42017 |
FMV 131E DN50 Rp 2"
FFF
|
50 | 40 | Rp 2" | 60 | 120 | 68 |
2,3
|
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 42018 | FMV 132E DN15 G ¾" MMM | 15 | 4 | G ¾" | 36 | 72 | 56 | 0,48 | |
| 42019 | FMV 132E DN20 G 1" MMM | 20 | 6,3 | G 1" | 36 | 72 | 56 | 0,55 | |
| 42020 | FMV 132E DN25 G 1¼" MMM | 25 | 10 | G 1¼" | 41 | 82 | 56 | 0,64 | |
| 42021 | FMV 132E DN32 G 1½" MMM | 32 | 15 | G 1½" | 47 | 94 | 59 |
1,0 |
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 42022 | FMV 133E DN20 C 22 mm CCC | 20 | 6,3 | CPF 22 mm | 36 | 72 | 56 | 0,55 | |
| 42023 | FMV 133E DN25 C 28 mm CCC | 25 | 10 | CPF 28 mm | 41 | 82 | 56 | 0,70 |
| Pressure class: | PN 10 |
| Medium: |
water, glycol < 50%
water quality as per VDI 2035 |
| Media temperature: | min. -10°C, max. +110°C |
| Leakage (Δ p=1 bar): | max. 0,5% Kvs |
| Max. diff. pressure: | 1 bar |
| Connections: |
Rp internal thread (EN 10226-1)
G external thread (ISO 228-1) compression fittings (EN 1254-2) |
| Valve body: | Brass, CW617N |
| Shaft and rotor: | Brass, CW617N |
| Bushing: | PTFE |
| O-Rings: |
EPDM,FKM |
