HVG MARINE VENTILATION EQUIPMENT 0047

HVG MARINE VENTILATION EQUIPMENT 0047: Round Fire Damper

Application:

The model of fire damper is round shape,and widely used in the air contidioning system or ventilation system for preventing the fire,It can be controled by temperature,take advantage of gravity and spring to close valve. In fire situation,It can be automatically prevent the fire or smoke when the alloy have been fused,The fusing temperature is 280 ℃The fire damper should normal open on
getting compressed air&electrical power,and should be close on loss of compressed air or electirc power.

Feature:

1.Stainless steel construction to prevent fire2.Electirc automatically close the damper
3.The damper will be close when the temperature is 70℃
4.The fusing temperature is 280℃,but the 90℃,110℃,150℃ could be supplied.

Process drawing:

Technical specification:

Available size:

Nom.dia.DN	d 1	D 1	D	No.of bolt holes
100	106	136	155	6
125	131	161	180
150	156	186	205
175	181	211	230	8
200	206	236	255	8
250	256	286	305	12
300	306	336	355
350	356	386	405
400	406	436	455	16
450	460	492	510	16
500	510	542	560	20
600	610	642	660	20
700	710	742	760	24
800	810	842	860	28
900	910	942	960	28
1000	1010	1042	1060	32