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Which data should be considered when we calculate and select control valves?

control valve specifications
control valve supplier in china

About THINKTANK Valves

THINKTANK belongs to a family-held valves manufacturer in Taiwan, We have been provided lots of optimal fluid solutions for the world’s industrial process since 2012, and we are not only focused on quality, performance but flexibility, and long-term value service for our customers.

The process parameters we will consider during THINKTANK’s engineers calculate and select control valves are the following. Simply to say 26 points.

  1. Process Medium: Boiler main feedwater, steam, gas, hydrogen or others.
  2. Design Temperature/Operating Temperature
  3. Design Pressure/Inlet Pressure/Outlet Pressure/Shut-off Pressure
  4. Max./Nor./Min Flow Rate: If gas(Nm³/h), steam or liquid(m³/h or kg/h)
  5. Density/Specific Gravity/Molecular W.
  6. Dynamci Viscosity: mPa.s(If viscous material is required)
  7. Compressibility/Critical press. Pc: For gas, Vapor press. Pv
  8. Special Requirements: Two phase flow, suspended particles?
  9. Valve Service: Such as vent valve, syngas control valve, vaccumn valve and so on
  10. Failure Position: Valve close/open/last
  11. Pipe Size/Material/Class
  12. Flow Characteristic: EQ&, Linear, quick open, on/off
  13. Body/Trim Material
  14. Packing and Style of Bonnet
  15. Leakage Class
  16. Valve Type: Globe, ball, butterfly, gate or etc.
  17. Connection Type: Flange, threaded, or welding
  18. Actuator Type: Pneumatic(single-acting, double-acting), electric, handwheel, hydraulic, handle
  19. Handwheel: Side-mounted, top-mounted, gear operated
  20. Positioner: E/P Mechnical type, digital/smart type, input signal, feedback signal, HART/FF/PA, Intrinsically safe/flameproof, single/double acting
  21. Limit Switch
  22. Solenoid Valve
  23. Air Filter Regulator
  24. Valve Open to Close Time(Full Stroke)
  25. Valve Enviroment Require
  26. Certificate and Manufacturing Required: SIL, API6D ect.
ce1 (2)
iso (2)
sil1 (2)
ecm (2)
ce2 (2)
ce mark (2)

Quality – Every THINKTANK valve is designed by ourselves. We start with basic parts calculations, such as wall thickness, stem strength, top flange design and sizing, and so on. Taiwan engineers group design and calculation of valves from the inside out, if necessary we do FEA, CFD and other analyses to assistant.
The highest quality materials that we used in our valves, And combined with our surface hardening, proprietary components, and design features. Not only that, in 2021, we start a startup of an R&D company – Shanghai Myers Valves Co., Ltd, to do real testing before the mass production.
We never compromise materials or designs to save costs. Even we get lots of pressure from the market, we do believe time will tell the truth.
Performance – At THINKTANK, you are not paying for a simple name of products, you are buying the best performance valve for your application. We have 9 years of experience in control valves and self-operated pressure regulators manufacturing, 30 years of general valves, and pneumatic actuators manufacturing.
Flexibility – Whether it’s custom-designed valves or just a slightly modified one, we specialize in providing what our customers exactly want, not in selling a ‘COMPROMISE’. With a ‘Say Yes’ attitude, we provide proper engineering support, a standard test, and inspection. All products comply with ISO9001:2015 certificate, CE certificate, SIL3 functional system. We are small enough to be able to respond to our customers’ unique wishes.
Long-term value service – A good initial investment will bring you a long-term reward. Without years of trouble-free service, cost-effective spare parts. This means you may think the initial cost is more expensive, but actually bring you no worries equipment. We put everything on the table, not on the visible costs, but also the hidden costs.
A wise man said: Be very careful when choosing a new supplier. The disappointment of poor quality lasts much longer than the joy of low prices.

We are proud of our consistent words and deeds.

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