Control Valve
Description
This valve features a modular design with high versatility and interchangeability, and a compact structure. The conventional top-guided structure, along with an optional bottom-guided structure under the seat, enables it to be applied in various conditions with high stability and high pressure differentials, meeting the user's requirements. The compression connection method between the reversible seat and body effectively enhance the valve's sealing class and service life, making maintenance very convenient and greatly improving the comprehensive performance of the control valve.
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The valve body adopts a straight-through S-shaped design, featuring low flow resistance and large flow capacity.
The valve plug adopts a top-guided structure, which ensures reliable guiding stability.
Adopting a quick-release structural design, the valve can be disassembled or replaced with parts without the need for any special tools.
It adopts a modular design with strong universality and interchangeability, featuring a compact structure. With various trim configurations available, it meets the requirements of diverse working conditions. Ideal for applications requiring high stability and low pressure differential conditions.
The YSIQ(D)10 is a modular intelligent single-seat control valve for process duties that require stable flow regulation, a defined single-seat shut-off interface and practical trim maintenance. Its top-guided or double-guided configuration can be matched with different trim options and flow characteristics according to the operating case.
The valve should be selected from the complete process data rather than from line size alone. Flow range, inlet and outlet pressure, temperature, medium properties, required flow characteristic, seat leakage class and actuator requirements should be reviewed together before the final configuration is confirmed.
| Required information | Why it matters |
|---|---|
| Minimum, normal and maximum flow | Confirms controllable capacity and operating range |
| Upstream and downstream pressure | Determines differential pressure and sizing case |
| Operating and design temperature | Screens body, bonnet, seat and packing options |
| Fluid, phase and key properties | Supports material and trim review |
| Required flow characteristic | Helps compare equal-percentage, linear or other available options |
| Required seat leakage class | Defines the shut-off performance to be reviewed |
| Actuator and failure-action requirement | Allows the complete valve assembly to be checked |
| Applicable standards and inspection documents | Defines the project documentation package |
|
Type |
Top Guided (Double-Guided) Single-Seat |
|
Nominal Diameter |
1/2”～10”（ DN15～DN250） |
|
Nominal Pressure |
150lb、300lb、600lb（PN16、25、40、64、100） |
|
Flow Characteristic |
Equal Percentage, Linear, Quick-Opening (for shut-off valve) |
|
Rangeability |
50﹕1 |
|
Upper Bonnet Type |
Standard: -10~+230℃ |
|
Cooling Fin Type: -45°C to -10°C or above 230°C (note the pressure-temperature rating of selected materials) |
|
|
Cryogenic Extended Type: -45～-100℃、-100～-200℃ |
|
|
Seat Leakage Class |
Class IV, Class V, Class VI (soft sealed) |
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YSM high-performance regulating valves, with a wide range of structural valve internals that cover various operating conditions in a one-stop solution, provide long-term stable and reliable operation, ensuring precise regulation and efficient operation of the system.
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