Blast Furnace Seal Valve

 Blast Furnace Seal Valve

Application
Blast furnace seal valve is hydraulically driven. The hydraulic cylinder drives valve plate through curved arm to control the opening and closing of the blast furnace seal valve. It can also realize remote automatic control through output of signal by stroke switch. Blast furnace valve is mainly used for equalizing pressure and releasing gas of the blast furnace charging system.

Parameters
Nominal pressure: 0.2MPa
Sealing test pressure: 0.22MPa
Strength test pressure: 0.3MPa
Working temperature: ≤300℃
Applicable medium: Nitrogen, coal gas
Oil pressure: 8-10MPa
Port size: M18×1.5
Proximity limit: IAS2408LA

Main Dimensions / Unit: mm
DN D D1 n-φd A H H1 S Cylinder diameter
300 440 395 12-φ22 360 1800 1172 145 80
350 490 445 12-φ22 380 1825 1205 145 100
400 540 495 16-φ22 420 1810 1240 145 100
450 595 550 16-φ22 460 1930 1380 145 100

Features
1. Blast furnace seal valve is a commonly used closed valve. It is composed of valve body, valve seat, valve plate and actuating cylinder.
2. The sealing plate can be opened inside the blast furnace seal valve. The surfacing alloy on the sealing surface is featured by good wear resistance. The blast furnace seal valve is also installed with rubber ring to form its composite sealing of hard sealing and soft sealing.
3. Hydraulic cylinder drives valve plate through curved arm to control the opening and closing of the blast furnace seal valve. It can also realize remote automatic control through output of signal by stroke switch. Blast furnace seal valve is mainly used for equalizing pressure and releasing gas of the blast furnace charging system.

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