Rising Stem Wedge Single Disc Gate Valve for Metallurgical Industry

• Media: Gas
• Temperature: Low Temperature
• Type: Direct-acting
• Material: Carbon Steel
• Connection Form: Flange
• Pressure: Low Pressure
• Model NO.: QZ741Y/QZ941Y
• Actuator: Electric
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Outside Gate Valve
• Usage: Regulation, Temperature Control, Flow Control
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage
• Transport Package: Standard Export Package
• HS Code: 84818040
• Production Capacity: 10000 Pieces/Year

Product Description

Rising Stem Wedge Single Disc Gate Valve for Metallurgical Industry


 

Functions and Features:

 

1. Suitable for the pipelines of gas, smoke, air and cold blast in blast furnace hot blast stove system, used for cutting off.
2. Drive Pattern: hydraulic transmission, electric drive, or configured according to customer requirements.
3. Single wedge disc structure with wedge set on valves.
4. Hard metal sealing surface. Main
5. Material: Q235, 16MnR structure or steel casting ZG 230-450, superior alloy steel.

Operative Standard:

1. Flange connection dimensions carry out the rules of GB/T9119-2000 PN6.
2. Structure length is non-standard structure length.
3. Pressure test is according to the rules of GB13927-2008.

Note: Other standards shall be acceptable based on the customer's requirement and be marked out in order.




QZ741Y,QZ941Y Gate Valve

Performance Parameter:
 

Nominal Diameter(DN)(mm)		DN500~DN2200
Work Pressure(MPa)		≤0.4~0.6
Test Pressure(MPa)	Shell	1.5 times working pressure
	Seal	1.1 times working pressure
On/off Differential Pressure (MPa)		≤0.01
Working Temperature		≤530°C
Applicable Medium		Air, gas, smoke

Valve Model Instructions:
 

Valve Type	Z	Gate Valve
Drive Mode	7/9	7-hydraulic / 9-electric
Connection Form	4	Flange connection
Structure Form	1	Rising stem wedge single disc
Material of Sealing Surface	Y	Hard alloy

Specification and Drawing:







We also can provide other model of gate valve, including series as below:

QZ741Y Hydraulic Rising Stem Wedge Single Disc Gate Valves
QZ941Y Electric Rising Stem Wedge Single Disc Gate Valves
QZ747W Hydraulic Rising Stem Wedge Single Disc Water Cooling Gate Valves
QZ947W Electric Rising Stem Wedge Single Disc Water Cooling Gate Valves

Related Valves: