Filters and hold-down valves used in conjunction with valve positioners
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What are the commonly used filters and position holding valves that are used in conjunction with well-known valve positioners, both domestically and internationally?
Siemens 6DR5200 series
What is the 6DR5200 series? Valve positioner? What I need is the filter in front of the locator
Filter pressure regulator: SMC, NOKO; Pressure holding valve: SMC, FISHER
Better filter pressure regulators include Novus, while the more common ones are SMC. Pay attention to the material! The common brand of position control valves is SMC; there are also PARKE and NOK, and possibly others as well, but I haven’t encountered them yet.
For pressure relief valves, most of our products use SMC; a small number use Novus, as well as ASCO. SMC also produces safety valves.