Signal butterfly valve
Summarize
An electric signal device which control open and close is installed. We supply power as per 24V, when the valve close 25%, the mistake close signal will be sent by this electric signal device. Then the signal will be transmit to fire protection center.
Capability parameter
Nominal diameter | DN50-60mm |
Nominal pressure | 1.0/1.6/2.5MPa |
Working temperature | -10℃-80℃ |
Seal pressure | 2.0 times nominal pressure |
Body resistance pressure | 1.0 times nominal pressure |
Applicable medium | Water, oil, gas |
Material
No. | Accessory | Material |
1 | Body | Ductile iron, cast steel |
2 | Stem | SUS410/SUS316 |
3 | Disc | Ductile iron plating, stainless steel |
4 | Seat | EPDM\PTFE |
5 | Seat backrest | Phenolic resin |
6 | Bush | Copper, PTFE |
7 | Seal ring | NBR\EPDM |
8 | Gasket | SUS316/copper |
9 | Opening-ring | SUS316/copper |
10 | Retaining ring | Spring steel |
External dimension, connection dimension and weight
A | B | C | D1 | D2 | D3 | D4 | E | F | G | H | I | K | L | φ | a° | weight | |
50 (2″) | 80 | 161 | 42 | 529 | 120 | 23 | 100 | 150 | 60 | 103 | 75 | 41 | 35 | 45 | 150 | 45 | 8 |
65 (2.5″) | 89 | 175 | 45 | 64.5 | 136 | 27 | 120 | 150 | 60 | 103 | 75 | 41 | 35 | 48 | 150 | 45 | 8.7 |
80 (3") | 95 | 181 | 45 | 78.8 | 160 | 18 | 127 | 150 | 60 | 103 | 75 | 41 | 35 | 49 | 150 | 22.5 | 9.1 |
100 (4") | 114 | 200 | 52 | 104 | 185 | 25 | 156 | 150 | 60 | 103 | 75 | 41 | 35 | 55 | 150 | 22.5 | 10.4 |
125 (5″) | 127 | 213 | 54 | 123.3 | 215 | 23 | 190 | 150 | 60 | 103 | 75 | 41 | 35 | 58 | 150 | 22.5 | 12.5 |
150 (6″) | 139 | 226 | 56 | 155.6 | 238 | 25 | 212 | 150 | 60 | 103 | 75 | 41 | 35 | 59 | 150 | 22.5 | 13.3 |
200 (8″) | 175 | 260 | 61 | 202.5 | 295 | 25/23 | 268 | 150 | 60 | 127 | 85 | 63 | 40 | 63 | 200 | 22.5/15 | 22.2 |
250 (10″) | 203 | 292 | 66 | 250.5 | 357 | 29 | 325 | 150 | 60 | 127 | 85 | 63 | 40 | 70 | 200 | 15 | 28.2 |
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