Single-acting flow control valves available from size 1/8" to 2" BSPP size, max. working pressure 400 Bar / 320 Bar, adjustable oil flow rate from 0,5 to 200 Lt/min. (depending on the size)
Product code composition
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The code will be generated and sent automatically by clicking on "Submit a request".
* (BSPP - standard)
* (NBR - standard)
** (V - FPM - standard for stainless steel valves)
* (MA - standard - aluminium)
RA (Aluminium spoked)
* (no nut)
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The valves FT 257/5 have the function of regulating and, if necessary, to shut-off the flow in one direction, allowing a free flow in the opposite direction. Appreciated for their aesthetic characteristics that indulge positively the contructive directions of the equipments on which they are installed , they are also a reliable solution. The proper dimensioning has made possible to obtain, in a little space, a great mechanic resistance of the components. The spring in high-resistance material is housed in such a way that it does not close as a pack during the opening of the taper single-acting shutter valve. Like all the valves of the series FT 257 they ensure: • efficient metallic sealing; • flow linearity at the opening; • accurate control for a wide range of flow rate, thanks to the double reference system • wide range of the flow rate control; • impossibility for the needle to leave its seat even in the max. opening position; • stable positioning thanks to a screw inside the knob; • quick panel mounting (the ring nuts (G) are supplied on request). The check valve is set to 0,5 bar.