The fire breathing fire breathing manhole manhole price, manufacturers, breather manholes offer breather manholes is our factory according to the market demand, reference to domestic and foreign advanced technology and development. Is the emergency ventilation device installed in the oil and chemical material tank, commonly used with fire breathing valve, can avoid accidental reasoncreated tank sharp overpressure or vacuum, damaged tanks and accidents; and can play the role of the safety flame.
Is the ideal device to protect the safety of storage tanks, products to fill the domestic blank. The product adopts all-weather seal structure, the counterweight regulation inhalation valve and relief cover opening and closing, with stainless steel corrugated with fire resistant layer, to prevent flame through, and double drawer opening, for cleaning and changing the fire resistant layer provides a convenient, shorten the time. In a word, the product has a constant pressure discharge, constant pressure, closed suction advantages of flexible and safe fire retardant, compact structure, good sealing performance, safety and reliability etc..
Is the ideal device to protect the safety of storage tanks, products to fill the domestic blank. The product adopts all-weather seal structure, the counterweight regulation inhalation valve and relief cover opening and closing, with stainless steel corrugated with fire resistant layer, to prevent flame through, and double drawer opening, for cleaning and changing the fire resistant layer provides a convenient, shorten the time. In a word, the product has a constant pressure discharge, constant pressure, closed suction advantages of flexible and safe fire retardant, compact structure, good sealing performance, safety and reliability etc..
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