2/2 PILOT OPERATED DIAPHRAGM SOLENOID VALVES 1/2" - 2"
PRESSURE DIFFERENCE REQUIRED FOR VALVE OPERATION
TECHNICAL DATA
- Internal parts: stainless steel
- Seals: NBR, EPDM, FPM
- Fluid temperature: -10°C to +85°C (NBR); +100°C (EPDM, FPM)
- Ambient temperature: +55°C max
- Viscosity: 21 mm2/s max.
- Response time: opening 0.05 - 1 s; closing 0.5 - 4 s
- Voltage: 230, 115, 48, 24 V AC; 24, 12 V DC
- Duty cycle: continuous (ED100%)
- Cycling rate: 10 - 100 cycles/min
- Electrical protection: IP65 (with plug to ISO 6952 / ISO 4400)
Technical data for 2/2 pilot operated diaphragm solenoid valves
Closed when de-energised (NC)

Ports | Orifice size [mm] |
Kv [water l/min] |
Differential pressure [bar] |
Body | Mass [kg] |
Coil type | Model | Order code (click for details) |
Fig. | |
---|---|---|---|---|---|---|---|---|---|---|
min | max | |||||||||
G1/2 | 10 | 20 | 0.3 | 10 | Brass | 0.34 | TM25 | M2401 | 341600 | 1 |
0.5 | TM25 | M2401* | 340002 | |||||||
12 | Brass | 0.42 | TM30 | M24K | 340505 | 2 | ||||
INOX | 0.42 | TM30 | M24N | 386210 | 3 | |||||
G3/8 | 10 | 20 | 0.3 | 10 | Brass | 0.34 | TM25 | M2401 | 341630 | 1 |
12 | Brass | 0.43 | TM30 | M24K | 341505 | 2 | ||||
G3/4-20mm | 18 | 70 | 0.3 | 6 | PA | 0.46 | TM25 | M255C | 352612 | 4 |
G3/4 | 18 | 70 | 0.3 | 6 | PA | 0.46 | TM25 | M255 | 352611 | |
12 | Brass | 0.57 | TM25 | M251 | 350613 | 5 | ||||
16 | Brass | 0.66 | TM30 | M250 | 350510 | |||||
G1 | 25 | 180 | 0.3 | 12 | Brass | 1.1 | TM25 | M261 | 360613 | 6 |
1.2 | TM30 | M260 | 360518 | |||||||
16 | Brass | 1.2 | TM30 | M260 | 360513 | |||||
G6/4 | 40 | 350 | 0.3 | 12 | Brass | 2.3 | TM25 | M271 | 370610 | 7 |
2.4 | TM30 | M270 | 370511 | |||||||
16 | Brass | 2.53 | TM30 | M270 | 370512 | |||||
2.53 | TM30 | M270R** | 370510 | |||||||
G2 | 50 | 630 | 0.5 | 16 | Brass | 4.5 | TM30 | M286 | 390510 | 8 |
*Zero water hammer design
**With regulated shut-off speed
Open when de-energised (NO)

Ports | Orifice size [mm] |
Kv [water l/min] |
Differential pressure [bar] |
Body | Mass [kg] |
Coil type | Model | Order code (click for details) |
Fig. | |
---|---|---|---|---|---|---|---|---|---|---|
min | max | |||||||||
G1/2 | 10 | 20 | 0.3 | 10 | Brass | 0.34 | TM25 | M24NO | 349600 | 1 |
12 | Brass | 0.42 | TM30 | M24KNO | 349516 | 2 | ||||
G3/8 | 10 | 20 | 0.3 | 12 | Brass | 0.42 | TM30 | M24KNO | 349518 | 2 |
G3/4 | 18 | 70 | 0.3 | 12 | Brass | 0.66 | TM30 | M250NO | 359511 | 5 |
G1 | 25 | 180 | 0.3 | 16 | Brass | 1.2 | TM30 | M260NO | 369512 | 6 |
G6/4 | 40 | 350 | 0.3 | 16 | Brass | 2.4 | TM30 | M270NO | 379512 | 7 |
G2 | 50 | 630 | 0.5 | 16 | Brass | 4.5 | TM30 | M286NO | 391510 | 8 |
OPTIONS:
• EEx me II explosionproof coils
• INOX body
• NPT ports
• Other versions on request.
Pressure/time diagram - diaphragm valve closing
1. Ordinary diaphragm valve closing
EXCESSIVE WATER HAMMER

EXCESSIVE WATER HAMMER

2. JAKŠA diaphragm valve closing
NO WATER HAMMER

NO WATER HAMMER
