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Product Details

China fire resisting damper manufacturer

(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
Diacharge fume valve	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
Dischage fume and fireproof valve	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
Long distance contronled discharge fume valve	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
Long distance contronled discharge fume and fireproof valve	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
leafy discharge smoke vent	PYK-2 II	SD		≥250*250	rectangle
leafy discharge smoke and fireproof vent	PYK-5 I	SFD	DC24V turned on,manual open,hand reset,out put opening signal	≥250*250	rectangle
leafy discharge smoke and fireproof vent	PYK-5II	SFD		≥250*250	rectangle
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
long distanced leafy discharge smoke vent	PYK-3II	BSD		≥250*250	rectangle
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
long distanced leafy discharge smoke and fireproof vent	PYK-4 II	BSFD		≥250*250	rectangle
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
Plate type discharge smoke vent	PYK-1	BSD		≤800*800	rectangle
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 Shuangyi Environment Engineering Co., Ltd

Pls Feel Free to Contact Me:

Rita Gao

International trade manager

Tel:0086-531-8987 9218

Mob:0086-155 5419 5354

E-mail: cnfrp365 ( at )

Skype: cnfrp369

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