GB/T 17213.4-2015 Industrial-process control valves—Part 4:Inspection and routine testing
GB/T 17213.4-2015 Industrial-process control valves—Part 4:Inspection and routine testing
Basic Information
Scope
This part of GB/T 17213 specifies the inspection and routine test requirements for control valves manufactured in accordance with other parts of GB/T 17213.
This part is only applicable to control valves with a pressure rating not exceeding PN420 (Class 2500). The requirements for actuators only apply to pneumatic actuators.
This part is not applicable to various types of control valves used in radioactive working environments, fire-resistance test environments, or other hazardous working environments. If the relevant standards involving hazardous working environments conflict with this part, the latter shall prevail.
Note: Through consultation between the buyer and the manufacturer, this standard can be applied to higher pressure ratings.