Product Usage
Z61Y-250, Z61Y-320 High-pressure Power Station Gate Valve produced by Lianggong Valve Group Co., Ltd. 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

The main part material

The main shape and connection dimensions

FAQ:
Q: Are you a trader or manufacturer? 
A: We are a manufacturer. We design, develop, manufacture, test and sell industry valves, including ball valves, gate valves, globe valves, check valves, butterfly valves, safety valves, plug valves, bellows valve, needle valves, knife gate valves, flanges and valve fittings.

Q: What kind of certification do you have?
A: We have API 6D, API600, API602, API609, API 607&API 6FA, ISO9001, ISO14001, OHSAS18001, CE&PED and EAC certification.

Q: How long is your delivery time?
A: Generally it is 2-7 days if the goods are in stock. For large quantity, as usual, it can be sent out within 10-40 days. 
    Small parcel will be dispatched by DHL, FedEx, UPS or TNT Courier. 
    Big cargo will be delivered by Air freight or By Sea. 

Q: Do you provide samples?
A: We can provide samples production and service. We will choose the shipping way as you required: By sea, by air or by express. Any questions about samples, please contact us.

Q: What about OEM products? 
A: We will finish the production within 30-40 days after payment has been confirmed. 
   We will choose the delivery way as you required: by sea, by air or by express. 

Q: Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.

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