I’m seeking help from those with more experience; there are several English parameters in the Samson butterfly valve manual that I don’t understand. I hope experts can provide an explanation
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The Samson pneumatic valve has several technical parameters: 1) shaft orientation, 2) shaft sealing, 3) bearings, 4) selected CV, 5) bonnet extension, and 6) a booster is included among the valve accessories. I’m asking the seniors for a professional term; the meanings found in dictionaries are ambiguous. What are the professional names for these terms?
1. Shaft orientation, axial direction. 2. Shaft sealing, seal for the shaft. 3. Bearing. 4. Cv selected, choosing the Cv value. 5. Bonnet extension, extending the valve cover. 6. Booster, pneumatic relay.
Booster is a pneumatic amplifier; 2, sealing ring (this should be part of the actuator); 4, selecting the CV value; 5, extended upper valve cover
In instrument automation, a booster is generally referred to as a pneumatic relay, and it is a 1:1 power amplifier.