Excellent operability, reliable shutoff Float valve Explosion shutoff valve-Float valve Explosion shutoff valve

Excellent operability, reliable shutoff Float valve Explosion shutoff valve
ATEX Explosion Protection Co., Ltd.

About This Product

This is a passive shut-off valve that was developed through repeated improvements to shut off the propagation of deflagration in ducts. During an explosion, the wind velocity of the explosion causes the float valve, latched in the open position, to move axially and lock in the closed position, blocking propagation. As a passive shutoff valve, it has pressure-resistant strength. The float valve is latched open and closed, which fundamentally improves the turbulence, pressure loss, and malfunction caused by the floating float valve that existed in the past. The pressure loss and turbulence of the powder flow passing through the float valve during operation are minimal and do not affect operation.

■Operating principleWe have minimized the turbulence and pressure loss caused by the float valve for operational air blowing. Our unique patented ball spring system latches the float valve in a central position, ensuring no movement except in the event of an explosion. The system guarantees reliable operation even at high flow velocities, whether installed in front or behind the elbow.

When an explosion occurs, the dynamic energy of the pressure waves emitted from the flame front unlatches the float valve, moving it to the closed position and locking it. The float valve is pushed axially and the flame propagation is blocked. When it detects that the float valve is in the "closed" position, it transmits an electrical signal.

■Main features・Developed through repeated improvements as a passive shutoff valve that blocks the propagation of deflagration in ducts.
- In the event of an explosion, the latch that fixes the open position is released due to wind speed, and the float valve moves in the axial direction and is fixed in the closed position, blocking propagation.
・No gasket is used.
・Pressure-resistant passive shutoff valve.
-The float valve is latched open and closed.
・Pressure loss and turbulence of the powder flow passing through the float valve during operation are minimal.

■Technical data for project design・Housing material: Painted steel, stainless steel, DN100 and DN150 and other aluminum
・Valve is pre-fabricated for signal transmitter M12x1 assembly to signal "closed" position
・Can be supplied as a DIN or ANSI compliant flange attachment type
・Maximum flow rate can be freely set depending on the process and protection concept
・The mounting position (horizontal/vertical) can be set arbitrarily according to the above conditions, and the mounting position can also be changed on site.

Model
There are 1 models for this product.

Product
Excellent operability, reliable shutoff Float valve Explosion shutoff valve

Handling Company
ATEX Explosion Protection Co., Ltd.

Categories

Valves

Valve Floats

Safety Devices

Temperature Monitoring Systems

40+ people viewing

Last viewed: 21 hours ago

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1 Models of Excellent operability, reliable shutoff Float valve Explosion shutoff valve

Image	Part Number	Price (excluding tax)	Metal dust	Weight (kg)	Inspection port (mm)	Allowable airflow speed (m/s)	Standard length (mm)	Organic dust	Diameter	Operating conditions	Alternative length Ventex compatible (mm)	Lock pin (mm)	Bolt hole diameter Ø ANSI #150 (mm)	Bolt hole diameter Ø (mm)	Bore diameter Ø ANSI #150 (mm)	Bore diameter Ø (mm)	Number of bores	Flange width ANSI #150 (mm)	Flange width (mm)	Flange outer diameter Ø ANSI #150 (mm)	Flange outer diameter Ø (mm)	Hybrid (Gas is outside the L.E.L range)	Gas and vapor
	Float valve Explosion shutoff valve	Available upon quote	Maximum KST (bar m/s): 300 Minimum separation distance (m): 3-4 Maximum separation distance (m): 6	AL/ST: 14/22 - 360 VA: 23 - 365	163-480	Airflow in the same direction as the explosion direction: 10-30 Airflow is in the opposite direction to the explosion direction: 35	350 - 1250	Maximum KST (bar m/s): 300 Minimum separation distance (m): 2-3 Maximum separation distance (m): 12	50 - 500 (DN) 2" - 20" (inch)	Minimum explosion pressure: 50 mbar Maximum permissible explosion pressure (20℃): 12 bar (abs)	350-1420	210-550	190.5 - 749.3	180-725	19.0 - 34.9	18-30	8-20	23.8 - 47.9	20 - 28	228.6 - 812.8	220-780	Maximum KST (bar m/s): 300 Minimum separation distance (m): 2-3 Maximum separation distance (m): 12	Maximum KST (bar m/s): 100 Minimum separation distance (m): 2-3 Maximum separation distance (m): 8

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