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Product Details

High Pressure Flanged Gate Valve

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We offer better complete range of solution and quality industry valves to match your and your clients' need best. (OEM &ODM manufacturing).
Port: Xiamen
Certification: ISO9001,CE etc.
Price: Negotiable
Payment term: TT, LC
Delivery date: 40days
Packing: export standard
Warranty: 18 months
MOQ: 1 set
Product Details

Product Usage
Z61Y-250, Z61Y-320 High-pressure Power Station Gate Valve Manual, butt welding connection type, single lever wedge rigid single-disc, the seat sealing surface material is cemented carbide, nominal pressure PN250 ~ PN320, valve body material is carbon steel high temperature and high pressure power station gate valve.


Structural Features
High temperature gate valve, also known as power station valve, is mainly used in the pipelines of various systems of thermal power stations to cut off or connect the pipeline medium. Applicable medium: non-corrosive medium such as water and steam. Compared with other valve products, power station valves are characterized by high temperature and high pressure, and a unique self-sealing design. The higher the pressure, the more reliable sealing. Due to the performance and technical characteristics, the special working conditions make the product form a feature that can not be replaced by other products.
1. No friction when opening and closing. This function completely solves the problem that the traditional valve affects the sealing surface due to the friction between the sealing surfaces.
2. Top-mounted structure. The valve installed on the pipeline can be directly inspected and repaired online, which can effectively reduce the stopping of the device and reduce the cost.
3. Single seat valve design. Eliminating the problem that the medium in the valve cavity is affected by the abnormal pressure increase and affects the safety of use.
4. Low torque design. The valve stem with special structure design can be easily opened and closed with only a small handle.
5. Wedge seal structure. The valves is sealed by the mechanical force provided by the valve stem, pressing the wedge against the valve seat, so that the valve's tightness is not affected by the change in pipeline pressure difference, and the sealing performance is reliably guaranteed under various working conditions.
6. Self-cleaning structure of the sealing surface. When the gate is tilted away from the valve seat, the fluid in the pipeline passes through 360 degrees uniformly along the sealing surface of the gate, which not only eliminates the local erosion of the valve seat by the high-speed fluid, but also rushes away the accumulation on the sealing surface to achieve the purpose of self-cleaning.


Design Standards
Design Standard: GB / T 12234-2007
Structure length GB / T 12221-2005
Butt welding connection size NB / T 4704-2014
Test and Inspection NB / T 4704-2014
Pressure - Temperature: NB / T 4704-2014


Performance Parameters

model

PN

Work pressure/MPa

proper temperature/℃

Suitable media

Body

Z61Y-250

250

25

≤570

steam

WC9

Z61Y-320

320

32

≤570

steam

WC9

The main part material

model

材料

Body

Valve plate

cap

Stem mother

filler

Z61Y-250

WC9

WC9

WC9

38CrMoA1A

Flexible graphite

Z61Y-320

WC9

WC9

WC9

38CrMoA1A

Flexible graphite

The main shape and connection dimensions

DN

L

D

H

D0

weight/Kg

50

280

82

585

300

42

65

340

110

650

320

53

80

475

130

680

400

130

100

500

170

755

450

180

125

600

195

830

500

190

150

700

225

1050

550

320

175

750

255

1050

600

400

200

800

285

1050

650

550

225

850

300

1100

700

600

Structure picture


All text, data and pictures in this article are for reference only. If you need to see more product performance, structure size, price and other details. Please contact us.


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