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Fisher A11 High Performance butterfly valve

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Pekka Immonen
Key Account Manager
Mob. 045 168 8355

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

The Fisher™ A11 on laadukas läppäventtiili kiilaura tai neliöpäisellä akselilla erilaisiin on/off sovelluksiin.
A11 on saatavana kokoluokkiin NPS3 - NPS24 paineluokassa CL600 sekä kokoluokkiin NPS30 - NPS48 paineluokissa CL150 ja CL300.
Saatavana joko laippojen väliin asennettavana (wafer) tai korvaketyyppisenä (lug) mallina.

Tekniset tiedot
Ominaisuudet

Certifications	PED, CRN, Fugitive Emission, NACE, ATEX, CUTR, Fire Safe
Critical Service	General Service
Flow Characteristics	Linear
Material	Carbon Steel, Stainless, Alloy
Operating Temperature	Standard Temperature, High Temperature, Cryogenic
Power Source	Electric, Hydraulic, Pneumatic, Electro-Hydraulic
Pressure Class	ASME
Process Connection Type	Flanged, Single Flanged, Double Flanged, Lugged, Wafer
Seat / Seal Type	Metal, Soft
Shutoff Class	Class IV (FCI 70-2), Class V (FCI 70-2), Class VI (FCI 70-2)
Standards	B16.34
Stem	Live Loaded, Adjustable Packing
Valve Size	NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24, NPS 30, NPS 36, Custom inlet/outlet, Up to NPS 72
Valve Size Standard	NPS

Choose from square, keyed, or splined shaft connections.
The pressure-assisted seal design provides tight shutoff.
Trim and bolting materials are available for applications involving sour liquids and gases.
The valve body self-centers on the line flange bolts as a fast, accurate means of centering the valve in the pipeline.
Seal retainer screws are located so there is no interference with the sealing function of either flat sheet or spiral-wound line flange gaskets.
A feature of the valve design is that the torque necessary to open and close the valve is the same, regardless of the direction in which the differential pressure is applied.
Interchangeability of all parts, including shafts and disks, simplifies service and reduces maintenance costs.

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Fisher A11 High Performance butterfly valve

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