Home > Products > Control valve > Pressure Releasing And Sustaining Valve 500X For Fire Control Testing
Pressure Releasing And Sustaining Valve 500X For Fire Control Testing
USD $50.24 - $51.17
/ Piece
2 Pieces(Min.Order)
- 500 Ton / Tons per Month
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Product Details
| Brand Name | HBYS | Place of Origin | Hebei, China | |
| Model Number | 500X | Application | General | |
| Port Size | DN20-DN300 | Media | Water | |
| Temperature of Media | Low Temperature |
Product Description
Product Description
500X pressure relief/pressure holding valve consists of the main valve, pressure relief/pressure holding guide valve needle valve, ball valve, microform filter and pressure gauge.Hydraulic automatic operation, which can be used for pressure relief valve and pressure holding valve.When used as pressure relief valve, the water supply line pressure can be maintained below the set safety value;Do hold pressure valve, can maintain the main valve upstream water pressure above the set value, maintain the main valve upstream water supply pressure.
This product is controlled by hydraulic power, no need of other devices and energy, easy maintenance, multi-purpose valve.
This series of valve products are widely used in high-rise buildings, living areas and other water supply network systems and urban water supply projects.
Normal pressure(Mpa) | Shell test pressure(Mpa) | Adjustable range of outlet pressure(Mpa) | Suitable medium and temperature | ||||||||||||
1.0 | 1.6 | 2.5 | 1.5 | 2.4 | 3.75 | 0.09-0.8 | 0.10-1.2 | 0.15-1.6 | Water ≤80℃ | ||||||
500X relief valve holding pressure valve working principle
1. Pressure relief valve: when the pressure relief/pressure holding guide valve is adjusted to the pressure relief state, water flows to the outlet through the needle valve, main valve control room, ball valve A, pressure relief/pressure holding guide valve and ball valve B, and the main valve is in the open state at this time.When the inlet pressure exceeds the safe value set by the pressure relief/pressure holding guide valve, the pressure relief guide valve will open automatically and release some water through the ball valve C to relieve pressure in the pipeline.When the pressure returns to a safe value, the relief valve closes automatically.For pressure relief valve, the ball valve is always open.
2. Pressure holding valve: when pressure relief/pressure holding guide valve is adjusted to pressure holding state, as long as the inlet water pressure of the main valve is lower than the set value of the guide valve, the guide valve is closed.Pressure boost in main control room, main valve closed.When the upstream water supply pressure of the main valve exceeds the pressure set by the guide valve, the pressure holding guide valve can be opened. The water in the control room is discharged to the outlet through the ball valve.When used as a pressure holding valve, ball valve C is normally closed or replaced with a plug.
Production process
Product packaging
We usually use plastic bags and cartons to packing the valve .
Cartons usually are located on pallets
We also pack the valve by plywood cases
We also pack the valve by plywood cases
Company Profile
Hebei Yaosheng IM & EX Trading Co., Ltd located in B # industrial park, Xushui district, Baoding city, Hebei province, is a professional company integrating the research, development, manufacture and sales.
Standards such as GB, JB, US API, ANSI, British BS, German DIN, Japanese JIS, GOST, and French NF are mainly adopted. Production size: DN15~DN2000mm(1/2″~ 80″), pressure level: 0.25~6.4Mpa(125LB~600LB), working environment: -60~550℃. Additionally, materials mainly include WCB cast iron stainless steel, etc. There are about 100 series of products, such as, gate valve, globe valve, check valve, ball valve, butterfly valve, bottom valve, drain valve, filter, and flange, which have been widely used in fields of petroleum, petrochemical, chemical, electric power, construction, medicine, water supply and drainage.
Products have been widely launched in the market of European and Middle East and Southeast AISA, mainly including the United States, Romania, Spain, Vietnam, Indonesia, Malaysia, Russia, Kazakhstan, Ukraine and other countries.Certifications
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