Emerson Keystone Figure 320/322 Resilient Seated Butterfly Valve
Product Details
Product Description
1. Description
Figure 320 is an economical, resilient seated Butterfly valve with dimensions according to ISO standards
2. Features
* Bubble-tight shut-off at full rating in both directions.
* One piece, specially profiled, wafer-thin disc stem.
* Extended body neck allows free access to the actuator where pipe insulation has been fitted.
* The seat and disc are the only two parts in contact with the medium.
* Face to face dimensions according ISO 3202 Part 3, K1 (ISO 5752 series 20) and DIN EN 558-1, series 20.
* The F320 wafer version has four flange locating holes for end-of-line service under certain conditions.
* Standard actuation:<ul><li>Handle (F414) on DN 50-200 valves.</li><li>Gear operators (F455) on DN 250-300.</li></ul>
* The F322 lugged version is suitable for bi-directional end-of-line service.
* Suitable for pneumatic, electric and hydraulic actuation.
3. Specifications
Certifications: PED
End Connection: Lugged, Wafer
Application: Air Circulation, Blowers, Balance of Plant, Chillers, Water distribution, Dryers & Evaporators, Cooling Water, Evaporators & Dryers, Filtration
Material: Ductile Iron
Operating Temperature: Up to 250 F (120 C)
Pressure Class: PN
Process Connection Type: PN16
Seat/Seal Type: Resilient
Shutoff Class: Zero Leakage
Valve Size: NPS 6 / DN 150, NPS 8 / DN 200, NPS 4 / DN 100, NPS 3 / DN 80, NPS 12 / DN 300, NPS 2-1/2 / DN 65, NPS 10 / DN 250
Valve Size Standard: DN
Valve Type: Butterfly
Media: Air, Liquids, Water, Water Glycol
Stem: O-ring
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