The FIRŠT FMV H-151 valves with by-pass and pump connection are intended to be used in heating and/ or cooling systems, sanitary applications and distribution groups.
Valves are available in DN 25, with by-pass and pump connection and are rated PN10.
FIRŠT FMV H-151 valves have the running nut for pump connection, the male connection to the manifold and the adjustable bypass on the way back and adjustable parallel dimension (125-90 mm).
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 41182 | FMV H-151 | 25 | 6 | G1 ½" , G1 M, Rp 1 ½" | 58 | 90 | 34 | 0,78 | |
| 41183 | FMV H-151 | 25 | 10 | G1 ½" , G1 M, Rp 1 ½" | 58 | 90 | 34 | 0,78 |
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 41186 | FMV H-151 | 25 | 6 | G1 ½" , G1 M, Rp 1 ½" | 58 | 90 | 125-95 | 1,3 | |
| 41187 | FMV H-151 | 25 | 10 | G1 ½" , G1 M, Rp 1 ½" | 58 | 90 | 125-95 |
1,3
|
| 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. 0,1% Kvs |
| Max. diff. pressure: | 1 bar |
| Connections: |
Rp internal thread (EN 10226-1)
G external thread (ISO 228-1) |
| Valve body: | Brass, CW617N |
| Shaft and rotor: | Brass, CW617N |
| Bushing: | PTFE |
| O-Rings: |
EPDM,FKM |
EQUAL PERCENTAGE FLOW CHARACTERISTIC
Valves allow mixing between two fluids, warm and cold water, to get the desired temperature. The valve is right mounting with adjustable bypass. The bypass can be adjusted up to 50% of the total valve flow.
