VDC, VAC, VST, VAA - Diaphragm Control Valve 9-1
Chapter 9 : Recommended Spare parts
9-1 : Major replacement parts
Although control valve parts have been designed and manufactured for prolonged
usage, the following parts will have to be replaced as a part of maintenance work:
Body
* Gland packing To be replaced with each disassembly
* Gasket To be replaced with each disassembly
Actuator
* Bushing Once every ve years
* Seal Washer “ (or when disassembled)
* Dust Seal “ (or when disassembled)
* Rod Seal “ (or when disassembled)
* O- ring “ (or when disassembled)