Inflaming retarding type anti-explosion valve
A technology for explosion-proof valves and valve seats, which is applied in the direction of engine components, machines/engines, mechanical equipment, etc., and can solve problems such as deformation of flame retardant sheets or flame retardants, pressure increase, and accumulation of local channel airflow, so as to increase distance and Time, stress reduction, release stress reduction effect
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[0027] The present invention will be further described below in conjunction with the accompanying drawings.
[0028] Such as Figure 1-12 As shown, a flame-retardant explosion-proof valve includes a valve seat 1, a cutoff plate 2, a flame-retardant ring 3, a valve cover 4, an inner guide ring 5, a spring 6, an outer guide ring 7, a valve disc 8, a seal Ring 9 and bolt 10. The valve cover 4 is fixed on the valve seat 1, and a flame retardant device is provided between the valve seat 1 and the valve cover 4. The flame retardant device includes an inner guide ring 5 provided inside the valve seat 1 and a The surfaces of the outer guide ring 7, the inner guide ring 5 and the outer guide ring 7 are respectively provided with guide holes; a group of flame-retardant rings 3 are arranged between the inner guide ring 5 and the outer guide ring 7, and the flame-retardant ring 3 A convex shoulder is evenly arranged along the circumferential direction, and the convex shoulder adopts a s...
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