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Masoneilan

28000 Series

Varipak

Control Valves

GE Oil & Gas

fact sheet

Created speciﬁcally for low ﬂow applications, the Masoneilan

28000 series Varipak control valve from GE provides excellent

throttling control performance with a wide range of options

and capabilities to meet your speciﬁc needs. Designed with an

extremely integrated and compact assembly, the valve’s key

design features include:

Heavy Top-Guiding

To promote excellent plug stability and control even under

high-pressure drop conditions an integrated plug guide and seat

ring provides rugged valve plug support along the entire stroke

length. Heavy guiding is critical for controlling vibration damage,

providing dependable control and seating performance, and

minimizing trim mechanical wear.

Application Flexibility

One size hardly ever ﬁts all applications. That’s why the Varipak

valve offers the ﬂexibility of 10 standard contoured trim designs

based on the same body platform. These multiple trim sets help

reduce the effects of valve oversizing and improve control loop

performance, resulting in better process efﬁciency.

Adjustable Flow Coefﬁcient (C

)

With the valve’s adjustable Cv option, you can easily accom-

modate changing operating conditions. The Cv value can be

increased or decreased simply by setting a knob within the

actuator assembly

Compact Assembly

The Varipak control valve’s modular design and force ampliﬁca-

tion actuator technology enabled its space saving, compact

assembly. In addition, the actuator includes a low-proﬁle, top-

mounted hand wheel option.

Anti-Cavitation Trim

The Varipak valve is available with an effective high-pressure, liq-

uid let-down, anti-cavitation trim solution – the Varilog* trim. This

unique design includes a multi-stage axial ﬂow plug and liner,

which provides dirt-tolerant operation and high wear resistance.

Design Flexibility

Other standard conﬁgurations include a high-pressure ASME

Class 2500 design, a zero-emissions Bellows seal design, and a

design for cryogenic applications. The Varipak valve is also avail-

able with an angle body design to accommodate existing piping

conﬁgurations.

Ease of Maintenance

The Varipak control valve’s simple, top-entry, body construction

includes an integrated body and bonnet design, which allows for

easy access and removal of the quick change trim. The integral

liner and seat ring construction reduces the number of compo-

nents, simplifying assembly and disassembly. In addition, the

modular actuator design further enhances the maintainability of

this unique valve assembly.

Precise Microflow Valves with Compact Design

1 2 3 4

Résumé du contenu

Page 1 - Control Valves

Masoneilan* 28000 SeriesVaripak* Control ValvesGE Oil & Gasfact sheetCreated speciﬁcally for low ﬂow applications, the Masoneilan 28000 series Var

Page 2 - 28000 Series Varipak

2 | GE EnergyOptimized CV CharacteristicsThe VariPak valve outshines conventional microﬂow valves with its support of a wide range of nominal Cv va

Page 3 - Cryogenic Design

Masoneilan 28000 Series Varipak | 3Bellows Seal Design For applications that require zero leakage at the packing box, the Varipak valve is available

Page 4 - Accessories and Options

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GE masoneilan_28000_series Manuel d'utilisateur

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