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DN700-2200mm Diameter Electric Drive Water Cooling Hot Blast Gas Valve for Blast Furnace
DN700-2200mm Diameter Electric Drive Water Cooling Hot Blast Gas Valve for Blast Furnace
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QR746R、QR946R Hot Blast Gas Valve
Hot blast valve with quadrate water cavity, lining, water cooling and longevity.
Functions and Features:
1. Suitable for blast furnace (BF) hot blast stove system, playing an important role in cutting, used as hot blast valve and back draught valve etc.
2. Self-developed new patented technology products have characteristics of longevity, water conservation and energy efficiency, which makes it the top-level of water-cooled hot blast valve.
3. Drive Pattern: hydraulic transmission, electric drive etc..
4. All-welded construction, a circulating water cooling system adopted on all valve bodies and valve discs.
5. Valve sealing achieved by the differential pressure of medium.
6. Fully lined with insulation, thermal insulation material inside all valve bodies, bonnet and valve discs.
7. Main Material: Q235, 16MnR, 20g, 0Cr18Ni9, heat resistant steel etc..
Note: Valves shall be open and closed in equalizing blast state.



Performance Parameter:
|
Nominal Diameter(DN)(mm) |
DN500~DN1300 |
DN1300~DN2200 |
|
Work Pressure(MPa) |
≤0.45 |
≤0.6 |
|
On/off differential Pressure(MPa) |
≤0.01 |
|
|
Applicable Temperature(℃) |
≤1450 |
|
|
Applicable Medium |
Hot blast |
|
|
Pressure of Cooling Water(MPa) |
0.4~0.8 |
|
|
Flux of Cooling Water(t/h) |
Valve body :25~100 |
|
|
Valve disc:15~50 |
||
Valve Model Instructions:
|
Enterprise Code |
Q |
QHD |
|
Valve Type |
R |
Hot Blast Valve |
|
Drive Mode |
7/9 |
7-hydraulic / 9-electric |
|
Connection Form |
4 |
Flange connection |
|
Structure Form |
9 |
Water conservation, energy efficiency |
|
Lining Material |
R |
Thermal insulation material |
Drawing and Specs:
QR746R Hot Blast Gas Valve


QR946R Hot Blast Gas Valve


Introduction:
We also can provide other model of hot blast valve, including series as below:
QR749R/QR949R HOT BLAST VALVE WITH HYDRAULIC LONGEVITY, WATER CONSERVATION, ENERGY EFFICIENCY AND FULL-LINING WATER COOLING.
QR744R/QR944R HOT BLAST VALVE WITH HYDRAULIC, CIRCULAR WATER CAVITY, LINING AND WATER COOLING.
QR743R/QR946R HOT BLAST VALVE WITH HYDRAULIC, PROFILED WATER CAVITY, LINING AND WATER COOLING.
QR743XR/QR946XR HOT BLAST VALVE WITH HYDRAULIC, LOW PRESSURE, WEDGE AND WATER COOLING.
QR42W/QR742W/QR942W HOT BLAST VALVE WITH MANUAL, UNLINING AND WATER COOLING.
Contact Information:
Email: Kevin@kingsemarine.com
Mobile/Wechat: +86 17726635265
Skype: chenkaiwen36
Website: www.kingseamrine.com




