Main Products: cooling tower ,centrifugal fan ,axial fan ,industrial fan ,ventilator
Manual volume control damper for ventilaiton systems&parts
Negotiable /Set
Min.Order:20 Sets
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Jinan Shuangyi Environment Engineering Co., Ltd.
Business Type: Manufacturer,Trading Company
Shandong ChinaMain Products: cooling tower ,centrifugal fan ,axial fan ,industrial fan ,ventilatorProduct Details
Manual volume control damper for ventilaiton systems&parts
(Also called air damper,volume control damper, fire smoke damper, round damper,volume damper,fire proof install,fire proof valve and so on)
The functions of fireproof damper
| Name | Model | Function code | Functions | specification | Shape |
| Diacharge fume valve | PYF-1 | SD | DC24V turned on,manual open,hand reset,out put opening signal | ≥200*200 | rectangle |
| PYF-3 | SD | ≥Φ200 | round | ||
| Dischage fume and fireproof valve | PYFH-3 | SFD | DC24V turned on,manual open,hand reset,out put opening signal,turned off when 280 | ≥320*320 | rectangle |
| PYFH-6 | SFD | ≥Φ200 | round | ||
| Long distance contronled discharge fume valve | PYF-4 | BSD | DC24V turned on,long distanced manual open,hand reset,out put opening signal | ≥320*320 | rectangle |
| PYF-8 | BSD | ≥Φ200 | round | ||
| Long distance contronled discharge fume and fireproof valve | PYFH-5 | BSFD | DC24V turned on,long distanced manual open,and long distanced hand reset,out put opening signal,turned off when 280 | ≥320*320 | rectangle |
| PYFH-7 | BSFD | ≥Φ200 | round | ||
| leafy discharge smoke vent | PYK-2 I | SD | DC24V turned on,manual open,hand reset,out put opening signal | ≥250*250 | rectangle |
| PYK-2 II | SD | ||||
| leafy discharge smoke and fireproof vent | PYK-5 I | SFD | DC24V turned on,manual open,hand reset,out put opening signal | ≥250*250 | rectangle |
| PYK-5II | SFD | ||||
| long distanced leafy discharge smoke vent | PYK-3 I | BSD | DC24V turned on,manual open,hand reset,out put opening signal,turned off when 280 | ≥250*250 | rectangle |
| PYK-3II | BSD | ||||
| long distanced leafy discharge smoke and fireproof vent | PYK-4 I | BSFD | DC24V turned on,long distanced manual open,and long distanced hand reset,out put opening signal,turned off when 280 | ≥250*250 | rectangle |
| PYK-4 II | BSFD | ||||
| Plate type discharge smoke vent | PYK-1 | BSD | DC24V turned on,long distanced manual open,and long distanced hand reset,out put opening signal | ≥320*320 | rectangle |
| ≤800*800 | |||||
| discharge smoke window | PYC | BSD | Control center outputs DC24V electrical signal opening,long distanced manual open and hand reset. | ≥250*250 | rectangle |
The performance of fireproof valves series
| Number | Item | construction specfications | ||
| 1 | The thickness of steel body | The length of valve(mm) | thickness of steel(mm) | flange specification |
| ≤630 | 2 | 25 | ||
| 800~1250 | 2 | 30 | ||
| 1600~2000 | 2 | 40 | ||
| 2000 | 50 | |||
| 2 | the temperature of the fuser | the valve shut off once medium temperature arrive 70 | ||
| 3 | impeller blade | 2mm cold rolling steel plate | ||
| 4 | impeller axis | Φ12 cold drawing round steel | ||
| 5 | spindel sleeve | Brass H62 | ||
| 6 | Tension spring | 65MnΦ2 | ||
| 7 | Inspection openging | Φ120 | ||
| 8 | FD,FVD,SFVD the standard of control device | Rating voltage | DC24V | |
| Rating electic current | 0.6~0.8A | |||
| Micromotion swicth | Volume of connection AC380V 3A | |||
| torsional moment of movement | 5~60KG.cm | |||
| movement way | spring | |||
| 9 | wind leakage quantity | In standard condition,the differential pressure is 20Pa,below 5m3/m2.min | ||
| 10 | local resistance coefficient of valve | when opening entirely | ξ=1.91 | |
Welcome to Jinan Shuangyi Environment Engineering Co., Ltd
Pls Feel Free to Contact Me:
Rita Gao
International trade manager
Mob:0086-155 5419 5354
E-mail: cnfrp365 ( at )
Skype: cnfrp369
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