SO-23001、SO-23101、SO-23201 Self-operated Downstream Pressure Regulator
An energy-saving control valve without external energy supply, used for pressure control devices at the end of non-corrosive liquids, gases and steam with a temperature of ≤ 350℃ and other media.
SO-23002、SO-23102、SO-23202 Self-operated Upstream Pressure Regulator
An energy-saving control valve without external energy sources is used for pressure control devices at the inlet of gases, liquids and steam with a temperature of ≤ 200℃ and other media.
SO-23011、SO-23111、SO-23211 Self-operated Downstream Pressure Regulator with Pilot
An energy-saving control valve without external energy sources is used for pressure control devices at the inlet of gases, liquids and steam with a temperature of ≤ 200℃ and other media.
SO-23012、SO-23112、SO-23212 Self-operated Upstream Pressure Regulator with Pilot
An energy-saving control valve without external energy supply, used for pressure control devices at the valve inlet of non-corrosive liquids, gases and steam with a temperature of ≤ 300℃ and other media.
The self-regulating control valve is an energy-saving control device that does not require external driving energy. It relies on the pressure or temperature of the medium being regulated as its power source, automatically adjusting according to set values based on changes in the medium. This valve integrates multiple functions of detection and control into one unit, forming an independent instrument control system. The self-operated control valve adopts a standard modular design. Our products are characterized by: standardization, serialization, and generalization. This achieves a high level of these three aspects. The components of the self-operated pressure regulator and differential pressure regulator are interchangeable. If the control conditions change, the spring & diaphragm components can be easily replaced. The accuracy of the self-operated control valve surpasses that of similar products, and it also offers high stability. Diversified product series: self-operated pressure regulator, self-operated micro-pressure regulator, self-operated temperature regulator, self-operated flow regulator, self-operated nitrogen-sealing valve, and self-operated (combined) regulator...
● Modular Design: Product standardization, serialization, and generalization, with interchange.able components.
● Special Conditions: Based on practical engineering issues and to meet the differentiated needs ofcustomers, we provide highly personalized solutions. Our products are widelyapplicable in various industries such as: petroleum, chemical, pharmaceuti-cals, heating, and water conservancy. In particular, the self-operatednitrogen-sealing valve is at the forefront of industry technology for pressureregulation devices in storage tanks.
● Energy Saving: No external driving energy is required, the power source relies on the pressureor temperature of the regulated medium..
Material: WCB、CF8、CF8M
Nominal Size: DN15~DN350
Pressure Rate: PN1.6~4.0Mpa
Voltage Regulating Range：0.005~0.035Mpa、0.015~0.15Mpa、0.01~0.07Mpa、0.05-0.3Mpa、0.1~0.6Mpa、
0.3~1.2Mpa、 0.8-1.6Mpa
Temperature Range: ≤350℃
Operator: Self-venting type
Application range: It is applicable to the automatic control systems in industrial production processes such as water supply, petrochemical, heating and cooling, energy, papermaking, food processing, and steel manufacturing, where there is no (or cannot be used) driving energy. It is particularly suitable for the automatic control system devices in the gas production and transportation or gas supply and transportation.
RAYS' rising stem ball valve is designed to operate without friction between the ball and the seat during opening and to achieve zero leakage when closed. This makes it well-suited for demanding conditions. The valve is made entirely of metal and is fire-resistant, capable of functioning in extreme temperatures ranging from -196°C (320.8°F) to 538°C (1000.4°F). It can handle media with particulates like sand and short fibers, and meets NACE standards for corrosion resistance, ensuring it can resist sulfide stress cracking in harsh environments. The valve also features a self-cleaning mechanism. When the ball is tilted away from the seat, the fluid flows 360° around the ball's sealing surface, effectively removing any debris. This prevents damage from high-speed fluid flows and keeps the sealing area clean. The rising stem ball valve is ideal for various applications including exhaust, fluid transfer, pipeline isolation, bypass, product segmentation, and emergency shutdowns, particularly where high switching frequencies and zero leakage in high temperatures are required.
The dual plate check valve features two semicircular, spring-loaded valve discs mounted on a central vertical pivot. When the valve opens, the force of the fluid and the spring act at the center of the disc, causing it to open from the base first. This design minimizes wear on the seal during opening, enhancing its durability. As the flow decreases, the discs slowly move back towards the seat due to the spring's force, ensuring a gradual closure. During backflow, the increased force on the discs leads to a faster closure, effectively reducing the risk of water hammer and hydraulic shocks. The spring’s force closes the top end of the disc first, preventing damage at the disc's base and prolonging the seal's lifespan.
The globe valve is mainly composed of valve body, valve cover, valve disc and valve stem. The handwheel applies a certain torque at the upper end of the valve stem. The valve stem is passed to the valve petals through the valve stem, so that it moves up and down along the valve stem axis to achieve fully turned on or fully closed movements. The force applied by the handwheel acts on the disc to hold it against the seat to seal. The single disc globe valve is designed to enter the medium by the valve disc sealing surface below, the medium force is opposite to the direction of valve closing, so the valve closing torque is large, so the single disc globe valve is mainly used in low pressure or small diameter pipelines. At the same time, the globe valve does not rub with the valve seat before the valve is closed, thereby reducing the wear of the cover surface and effectively extending the service life of the valve.