Eccentric Fire Signal Butterfly Valve
Eccentric fire signal butterfly valve
The signal butterfly valve is designed with an eccentric butterfly plate. A cam mechanism is set at the end of the shaft to contact the switch signal. It can effectively provide signals for opening and closing the valve. It can also output signals to connect sound and light facilities and provide sound and light signals. It is generally used for fire protection facilities. For supporting use.
1. Open the electrical switch box cover, connect the core wires of the cable to the corresponding terminals according to the electrical control requirements, seal the cable inlet, and fix the cable to prevent damage to the cable wiring when external forces are involved.
2. When the valve is in the "fully closed" position, turn the closing cam below clockwise until the cam just touches the micro switch (a clicking sound can be heard), and then tighten the screw on the cam to secure the cam.
3. When the valve is in the "fully open" position, turn the upper opening cam counterclockwise and adjust the opening cam using the same method as above.
4. Adjust the limit screw. When the valve is in the "fully closed" or "fully open" position, the limit screw should not just hit the limit plane of the worm gear, but should leave a certain gap, and then tighten the limit Locking nut on screw.
5. Cover the electrical switch box cover. When the valve is in the "fully closed" position, make the pointer of the opening indicator point to the "0" mark on the dial, and tighten the screw to fix the pointer.
The main technical parameters
| DN(mm) | 50~300 | |
| PN(Mpa) | 1.6 | |
| test pressure Ps(MPa) | Strength test | 2.4 |
| Sealing test | 1.76 | |
| Applicable media | Water, oil, sea water | |
| proper temperature | ≤125℃ | |
size
| DN(mm) | L | D1 | D | Z-Φd | H | H0 | A | B | D0 | Wt/kg |
| 50 | 43 | 125 | 165 | 4-18 | 102 | 362 | 200 | 200 | 160 | 15 |
| 65 | 46 | 145 | 185 | 4-18 | 112 | 382 | 200 | 200 | 160 | 17 |
| 80 | 49 | 160 | 200 | 8-18 | 120 | 400 | 200 | 200 | 160 | 19.5 |
| 100 | 56 | 180 | 220 | 8-18 | 137 | 434 | 200 | 200 | 160 | 23 |
| 125 | 64 | 210 | 250 | 8-18 | 162 | 480 | 200 | 200 | 160 | 28 |
| 150 | 70 | 240 | 285 | 8-22 | 174 | 550 | 280 | 280 | 240 | 48 |
| 200 | 71 | 295 | 340 | 12-22 | 207 | 615 | 280 | 280 | 240 | 53 |
| 250 | 76 | 355 | 405 | 12-26 | 242 | 694 | 280 | 280 | 240 | 94 |
| 300 | 83 | 410 | 460 | 12-26 | 284 | 829 | 420 | 520 | 350 | 124 |
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