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Fisher YD & YS Three-Way Cage-Guided Valves

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Taneli Luhanko
Inside Sales Engineer
Phone. 0207 416 202
Mob. 040 757 4208

Fisher™ YD and YS three-way cage-guided valves are designed for throttling or on/off service, and are available in balanced and unbalanced constructions. The YD valve is used in general converging and diverging service. The YS valve is used in general converging service. Fisher YD and YS valves are available for a wide range of applications, including sulfide and chloride stress-cracking environments common to the oil and gas production industries.

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Certifications	CRN, CUTR, Fugitive Emissions, PED
Critical Service	Corrosive, General Service
Flow Characteristics	YD: Linear; YS: Equal percentage, Linear
Material	Carbon Steel, Stainless, Cast Iron
Operating Temperature	Standard Temperature
Pressure Class	CL125, CL150, CL250, CL300, CL600, PN 16, PN 25, PN 40, PN 63, PN 100
Process Connection Type	Flanged, Butt Weld, RTJ, Threaded, Socket Weld
Shutoff Class	YD: Class II (FCI 70-2), Class IV (FCI 70-2); YS: Class IV (FCI 70-2), Class V (FCI 70-2)
Valve Size	NPS 1/2, NPS 3/4, NPS 1, NPS 1-1/2, NPS 2, NPS 2-1/2, NPS 3, NPS 4, NPS 6
Valve Size Standard	NPS

Balanced valve plug construction in the YD permits use of smaller, lower cost actuators. A single, one-piece valve accommodates both trim designs and uses Fisher easy-e™ bonnets, gaskets, and packing, thus cutting spare part inventory costs.
Multipurpose capability results from a valve designed specifically for three-way control. A variety of valve sizes, end connections, port diameters, and trim materials provides design versatility for your control needs.
The ENVIRO-SEAL™ packing system option is available. This packing system provides excellent sealing, guiding, and loading force transmission.
Hardened trim materials provide excellent wear resistance.
Cage-type construction simplifies inspection and removal of parts.
Packing parts, including packing flange, studs and nuts, and packing kits are common to the YD, YS, and Fisher easy-e control valves.
Rugged cage guiding provides high valve plug stability, which reduces vibration and mechanical noise.

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Fisher YD & YS Three-Way Cage-Guided Valves

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