Model 989

Control Valve

SKU#:

Model 989

Overview

The Model 989 is a globe-style, pneumatic control valve designed primarily for general and chemical service. The valve's body/trim materials are available in WCB/316L SST or CF3M/316L SST constructions.

Standard trim is metal seated design giving Class IV shutoff. Optional composition seat design gives Class VI shutoff. Available in body sizes 1" through 2" (DN25–DN50) with flanged end connections.

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Details

Description

Design Pressure
Maximum Allowable Working Pressure: Up To 740 psig (51 Barg)

Line Sizes

1" (DN25)
1-1/2" (DN40)
2" (DN50)

End Connections

Flanged Only – All sizes and body materials. Separable Type; standard is CS flanges and CS split rings, optional SST.

Body Materials

Stainless Steel
Carbon Steel

Features

All wetted trim components of 316L SST.
Dual stem guiding:
- improved shutoff,
- increased packing life,
- maximized stability.
Standard internally live-loaded V-ring packing.
Multiple packing designs to meet reduced fugitive emission levels.
Flow-to-open design for increased:
- rangeability,
- stability.
Quick change trim.
High pressure drop capability, up to 740 psid (51.0 Bard).
Multiple reduced trim selections.
Equal percent or linear characterization.
External corrosion protection.
Face-to-Face dimensions - ISA 75.08.01 (“Short Pattern”).
Standard Actuator compliant with IEC 60534-6-1 for mounting standardized positioners.

More Information

More Information
Category Label	Control Valve
Line Size	1" (DN25), 1.5" (DN40), 2" (DN50)
End Connections	Flanged
Service	Gases, Liquids, Steam
Body Material	Carbon Steel, Stainless Steel

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Model 989

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