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Home > Products > Respiration valve, Flame arrester > Gravel flame arrester

Description Material Performance Product Size Specifications

Gravel flame arrester is a safety device used to prevent hydrogen flame from spreading out. It is composed of a solid material (a fire element) that can be passed through a gas, with a number of tiny channels or gaps. Asked the fire element in the gap or channel as small as possible, so when the flame entered the flame arrester, fire retardant components are divided into many small fire flow, due to the heat transfer function (gas cooled) and the wall effect, the flame flow quenching.

No Information

1. The explosion resistance performance is qualified, and the fire resistance can be prevented by 13 consecutive tests.

2. The fire resistance is qualified, and the fire resistance test is 1 hour, during which there is no tempering.

3. The arameter shell shall be subjected to hydraulic test no less than 0.9mpa without leakage.

This product has reasonable structure, light weight and corrosion resistance. Easy maintenance, easy installation. Flame arrester core is made of stainless steel, which is corrosion resistant and easy to clean.

The arrestor is mainly composed of shell and filter element. The shell shall be strong enough to withstand the impact of the explosion. The filter element is the main component to prevent the flame propagation. Metal mesh filter element with diameter of 0.23~0.315mm stainless steel or copper mesh, multi-layer overlap composition. At present, arresters in China usually use 16~22 mesh metal mesh, for 4~12 layers.

Corrugated filter elements are supported by stainless steel, copper-nickel alloy, aluminum or aluminum alloy. Corrugated flame arrester can prevent the violent flame deflagration, and can withstand the corresponding mechanical and thermal action, flow resistance is small, easy to clean and replace.

Model specification	Mounting dimensions (mm)
	D	D1	D2	d	L	H	n	di
25rise	Φ130	Φ110	Φ160	KG2″	216	170	4	Φ14
50rise	Φ150	Φ125	Φ185	KG21/2″	228	90	4	Φ18
100rise	Φ200	Φ175	Φ235	KG3″	230	210	8	Φ18
150rise	Φ225	Φ200	Φ260	KG4″	234	230	8	Φ18

Model specification	Figure No.	weight	technical conditions
PC4（25rise）	GKP-25	16	1, working pressure Kg/cm2, the mixture of 4 liters / second bubble amount of 25 liters. 2, working pressure range Kg/cm2 2-85. 3, the glass sheet in the Kg/cm2 1-2 water pressure to break through.
PC8（50rise）	GKP-50	22	1, working pressure of 5 Kg/cm2, the mixture of 8 liters / second bubble amount of 50 liters. 2, 3 above
PC16（100rise）	GKP-100	32	1, working pressure Kg/cm2, the mixture of 8 liters / second bubble amount of 100 liters. 2, 3 above
PC24（150rise）	GKP-150	40	1, working pressure Kg/cm2, the mixture of 8 liters / second bubble amount of 150 liters. 2, 3 above

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