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Metallurgical Industry DN1500 Rising Stem Wedge Single Disc Gate Valve

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..
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Metallurgical Industry DN1500 Rising Stem Wedge Single Disc Gate Valve

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QR746R,QR946R Hot Blast 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(ºC)	≤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:

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