Flowserve nt3000 manual






















Flowserve Corporation, Valtek Control Products, Tel. USA 8The BetaTM positioner is a single or double-acting, force-balanced instrument that provides fast, sensitive and accurate positioning of diaphragm or cylinder actuators. It is available with either a pneumatic module for air controlFile Size: KB. Flowserve recommends an operating voltage of VDC (i.e. the DCS system should allow for at least V loop load across the NT terminals; not that a V supply is connected to the transducer.) The transducer receives a 4 to 20 mA signal and converts it to a psi output www.doorway.ru Size: 1MB. www.doorway.ru PLEUGER STANDARD USER INSTRUCTIONS ENGLISH If complete protection is not possible, access to such devices must be limited to the maintenance staff who must be informed specifically about the special dangers by .


The Flowserve Valtek Beta positioner is a single or double-acting, force-balanced instrument that provides fast, sensitive and accurate positioning of diaphragm or cylinder actuators. It is available with either a pneumatic module for air control signals or an electro-pneumatic (I/P) module for milliamp current control signals. www.doorway.ru PLEUGER STANDARD USER INSTRUCTIONS ENGLISH If complete protection is not possible, access to such devices must be limited to the maintenance staff who must be informed specifically about the special dangers by warnings and corresponding signs. a) Clean the foundation surface thoroughly. b) Put shims on the foundation surface (approx mm thick), one on each side of the bolt hole (as an alternative, leveling screws can be used). c) Lay the base plate and level in both directions with extra shims. The base plate should be level to within mm per 1 m.


The Valtek NT Series Electro-Pneumatic Transducer is an active I/P Transducer that is used with a milliamp electricl control signal. It is interchangeable with the XL Series or Beta Series Pneumatic Positioners and can be mounted on either Valtek Linear or Valtek Rotary Actuators without modification. Flowserve Corporation, Valtek Control Products, Tel. USA 8Operation Figure 4: XL Positioner Schematic for Air-to-Open The positioner operates as follows: An increase in the instrument signal forces the instrument signal capsule and flapper downward. The detecting nozzle now re-leases air and the pressure decreases on top of the pilot. Flowserve recommends an operating voltage of VDC (i.e. the DCS system should allow for at least V loop load across the NT terminals; not that a V supply is connected to the transducer.) The transducer receives a 4 to 20 mA signal and converts it to a psi output signal.

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