| Name | Single Disc Wedge Type and Outside Stem Water-Cooling Gate Valve / Water Valve |
| Specification | DN400－1600 |
| Application | Suitable for large and medium sized blast furnace matched hot blast stove system. Served as mixing gas shut-off valve. |
| Model | QYTZ747W-Ⅰ/QYTZ747W-Ⅱ /QYTZ947W-Ⅰ/QYTZ947W-Ⅱ |
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The side that connected hot blast pipeline with the valve body adopts circular water cooling. And so do the valve disc and body. A float sealing device connects the valve body and bonnet. Drive modes: manual, hydraulic, motor driving or design according to customer requirements. The main material: ZG230-450, Q235 and high quality alloy. Ⅰtype is with wedge block fixed on the side of body and disc. Ⅱ type’ s body and bonnet take wedge-shaped structure, it can shut off medium flowing in both directions.
Electric Driving Mixing Gas Shut-Off Valve for Blast Furnace QYTZ947W Type
Hydraulic Driving Mixing Gas Shut-Off Valve for Blast Furnace QYTZ747W Type
Working Pressure 0.4MPa
Medium air
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