I. Design Tasks
Design task, that is, design task book. Define the specific parameters of the valve, such as nominal diameter, nominal pressure, temperature, medium, driving mode, etc. Use conditions and requirements, such as: outdoor or indoor installation, start-up frequency, etc. Relevant implementation standards.
(1) Design Topic: Design of Open-stem Gate Valve
(2) Main contents of design:
Valve is an important part of pipeline system, which should meet the safety and reliability requirements of pipeline system. Its components can be drawn and assembled by CAD, UG and other software to complete the design.
(3) The design content: determine the main material of the valve
Structural design of gate valve: pressure bearing parts, sealing pairs, body and cover, stem, gate, flange, bracket, stem nut, packing cover, handwheel
(4) Designing given data:
Formulas or sources
Water and oil products
Wall thickness coefficient
Seal face width
Inside diameter of sealing surface
Total height of packing layer
Friction coefficient between stem and packing
(5) Requirements for conditions of use:
Room temperature 20 C, no indoor and outdoor requirements, manual control.
(6) Connection with pipelines:
(vii) Relevant implementation standards :
Design Series: Low Pressure Small Caliber Series Gate Valves
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