The FIRŠT valves FBV 230C are compact 3-way brass ball valves for use in domestic heating systems, cooling systems, drinking water applications and for use in different heating devices (e.g. heat pumps).
Valves are available in DN 20 – DN 32.
The FIRŠT ball valves FBV 234C,237C,238C,244C are used as diverting or mixing elements for use in heating devices (heat pumps), in HVAC systems, mixing groups, solar heating systems, for sanitary and tap water installations.
Four types of connections are avaliable: internal threads (FBV 234C), union fittings (FBV 237C), external threads (FBV 238C), compression fittings (FBV 244C).
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 50197 | FBV 234C DN20 Rp ¾" FFF | 20 | 9,6 | Rp ¾" | 66 |
|
47 | 0,24 | |
| 50198 | FBV 234C DN25 Rp 1" FFF | 25 | 11,3 | Rp 1" | 81 |
|
51 | 0,35 | |
| 50199 | FBV 234C DN32 Rp 1¼" FFF | 32 | 25 | Rp 1¼" | 92 |
|
58 | 0,55 |
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 50181 | FBV 237C DN20 Rp/R ¾" UUU | 20 | 9,6 | Rp/R ¾" | 72 |
136
|
47 | 0,30 | |
| 50182 | FBV 237C DN25 Rp/R 1" UUU | 25 | 11,3 | Rp/R 1" | 85 |
152
|
51 | 0,44 | |
| 50183 | FBV 237C DN32 Rp/R 1¼" UUU | 32 | 25 | Rp/R 1¼" | 90 |
165
|
58 | 0,70 |
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 50190 | FBV 238C DN20 G 1" MMM | 20 | 9,6 | G 1" | 72 |
|
47 | 0,37 | |
| 50191 | FBV 238C DN25 G 1 ¼" MMM | 25 | 11,3 | G 1 ¼" | 85 |
|
51 | 0,55 | |
| 50192 | FBV 238C DN32 G 1½" MMM | 32 | 25 | G 1½" | 90 |
|
58 | 0,86 |
| CODE | TYPE | DN | Kvs | Connection | A | B | C | Weight (kg) | |
| 50200 | FBV 244C DN20 D22 CCC | 20 | 9,6 | CPF 22mm | 72 |
|
47 | 0,27 | |
| 50202 | FBV 244C DN25 D28 CCC | 25 | 11,3 | CPF 28mm | 65 |
|
51 | 0,41 |
| Nominal pressure: |
PN 32 for general applications |
| Medium: |
drinking water, water, glycol < 50%, non aggressive liquids, water quality as per VDI 2035 |
| Media temperature: |
min. -20°C, max. +125°C
(+150°C only water with glycol solution- short time peaks) |
| Max leakage: | rate B according to EN 12266- 1:2003 |
| Max. diff. pressure: | 6 bar (recommended max. diff. pressure for low noise operation: 2 bar) |
| Connections: |
Rp internal thread (EN 10226-1) R external thread (EN 10226-1) G external thread (ISO 228-1) compression fittings (EN 1254-2) |
| Valve body: | Brass, CW617N |
| Ball | Brass, CW617N |
| Seals: | PTFE, EPDM Perox, FPM |
| Certification: | ACS |
