fire signal butterfly valve
technical parameter
product model: xd371x/zsxdf 7-q
nominal diameter: dn50~dn600(2"~24")
nominal pressure: pn16
working temperature: 0℃~85℃
applicable medium: water and foam mixture
body material: ductile iron
product description
fire signal butterfly valve is an important component in automatic sprinkler system. the worm gear and worm drive drive the shaft and the butterfly plate to rotate to realize opening and closing and control the flow. by rotating the handwheel of the worm gear transmission device, the butterfly plate can achieve the purpose of opening and closing and regulating the flow, and the handwheel is rotated clockwise to close the valve. a micro switch is arranged in the transmission box, which can output the closing and opening signals of the valve and display the different positions of the butterfly plate.
product features
1. small and lightweight, easy to disassemble and maintain, and can be installed in any position.
2. simple structure, compact 90° operation, quick opening and closing.
3. small operating torque, labor-saving and lightweight.
4. to achieve complete sealing, gas test leakage is zero.
5. choose different materials for parts and components, which can be applied to a variety of media.
6. the flow characteristics tend to be straight, and the adjustment performance is good.
7. the number of opening and closing tests is up to tens of thousands, and the service life is long.
the main technical parameters
model | pn ﹝mpa﹞ | test pressure﹝mpa﹞ | proper temperature | applicable media | |
case | seal | ||||
xd371x-10 | 1.0 | 1.5 | 1.1 | ≤80℃ | water, oil, sewage, seawater |
xd371x-16 | 1.6 | 2.4 | 1.76 | ||
material of main parts
no | part name | material | no | part name | material |
1 | body | ductile iron, cast steel | 7 | sealing ring | nbr、epdm |
2 | shaft | sus410/sus316 | 8 | round gasket | sus316/brass |
3 | butterfly | ductile iron spray, stainless steel | 9 | open loop | sus316/brass |
4 | seat | epdm，ptee | 10 | retaining ring | spring steel |
5 | bushing | bronze, ptfe |
main external connection dimensions
dn | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
h | 268 | 287 | 309 | 342 | 376 | 410 | 495 | 565 | 849 | 985 | 1109 |
h1 | 70 | 76 | 86 | 104 | 118 | 132 | 167 | 198 | 239 | 267 | 309 |
l1 | 43 | 46 | 46 | 52 | 56 | 56 | 60 | 68 | 68 | 78 | 102 |
l2 | 32 | 47 | 65 | 91 | 112 | 146 | 194 | 242 | 292 | 325 | 380 |
l3 | 245 | 245 | 245 | 245 | 245 | 245 | 400 | 400 | 400 | 400 | 431 |
ф1 | 152 | 152 | 152 | 152 | 152 | 152 | 300 | 300 | 305 | 305 | 290 |