 |
2, 3, AND 4-PORT THREADED SEAT VALVES PN 16 (2...120 °C)VVZ ... |
|
|
|
|||
|
Path - First page - Products - Balanced pressure water - VVZ |
|||
APPLICATION
Control valves for hot water max. 120 °C or chilled min. 2°C (glycol max. 50%).
FEATURES
-
Brass body.
-
Stainless steel spindle.
-
Brass seat and plug.
-
Threaded connections for flat unions (ISO 228/1).
-
Control:
-
throughport = equal percentage,
-
by pass = linear.
-
-
Control ratio 50 : 1.
-
Let by:
-
throughport ≤ 0,05% Kvs.
-
by pass ≤ 1% Kvs.
-
-
Differential pressure max. for noise limit: 1 bar.
| DN connected | Kvs (1) | Suitable actuators | |||||||||||
| Code | valve males | pipe males | throport m3/h | by pass m3/h | Run mm. | CLV
15.
27 s./mm |
CLV
07.
13.5 s/mm |
CLQ
07./CEQ U07. (4)
14 s/mm |
Data sheet | ||||
| bar (2) | s (3) | bar (2) | s (3) | bar (2) | s (3) | ||||||||
| 2-ports | |||||||||||||
| VVZ 209 | 1/2" | 3/8" | 0.25 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | M 824 | ||
| VVZ 210 | 1/2" | 3/8" | 0.40 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | |||
| VVZ 211 | 1/2" | 3/8" | 0.63 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | |||
| VVZ 212 | 1/2" | 3/8" | 1.0 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | |||
| VVZ 213 | 1/2" | 3/8" | 1.6 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | |||
| VVZ 214 | 1/2" | 3/8" | 2.5 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | |||
| VVZ 218 | 3/4" | 1/2" | 2.5 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | |||
| VVZ 219 | 3/4" | 1/2" | 4.0 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | |||
| 3-ports | |||||||||||||
| VVZ 309 | 1/2" | 3/8" | 0.25 | 0.25 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | M 824 | |
| VVZ 310 | 1/2" | 3/8" | 0.40 | 0.25 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 311 | 1/2" | 3/8" | 0.63 | 0.40 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 312 | 1/2" | 3/8" | 1.0 | 0.63 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 313 | 1/2" | 3/8" | 1.6 | 1.0 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 314 | 1/2" | 3/8" | 2.5 | 1.6 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 318 | 3/4" | 1/2" | 2.5 | 1.6 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | ||
| VVZ 319 | 3/4" | 1/2" | 4.0 | 2.5 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | ||
| 4-ports | |||||||||||||
| VVZ 409 | 1/2" | 3/8" | 0.25 | 0.25 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | M 824 | |
| VVZ 410 | 1/2" | 3/8" | 0.40 | 0.25 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 411 | 1/2" | 3/8" | 0.63 | 0.40 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 412 | 1/2" | 3/8" | 1.0 | 0.63 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 413 | 1/2" | 3/8" | 1.6 | 1.0 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 414 | 1/2" | 3/8" | 2.5 | 1.6 | 5.5 | 3.5 | 150 | 3.5 | 75 | 3.5 | 77 | ||
| VVZ 418 | 3/4" | 1/2" | 2.5 | 1.6 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | ||
| VVZ 419 | 3/4" | 1/2" | 4.0 | 2.5 | 5.5 | 2.5 | 150 | 2.5 | 75 | 2.5 | 77 | ||
-
(1) : Kvs Flow coefficient: Flow in m3/h with valve open and pressure drop of 100 kPa - 100 kPa = 10 mWG = 1 bar
-
(2) : bar Maximum pressure differential (∆p max) permitted by actuator.
-
(3) : sec Time (seconds) necessary for actuator to make the complete valve run.
-
(4) : Actuator with emergency closure.
FLAT UNIONS FOR VVZ ... VALVES
-
Brass. Consist of female nut, male tang and seals.
-
Supplied in packss of 2.
| Code | Female nut (valve) | Male tang (pipe) | Valves VVZ ... | |
| ABMZ 1510/2 | 1/2" | 3/8" | 209 ... 214; 309 ... 314; 409 ... 414. | |
| ABMZ 2015/2 | 3/4" | 1/2" | 218 - 219; 318 - 319; 418 - 419. |
PRESSURE DROP IN SEAT VALVES
