RF Ends Cast Steel Body Segment Ball Valve Conform to API 6D and ASME B16.34.
They are tested according to API 598, and marked as per MSS SP-25.
1. Construction is as follows:
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- "V" or "O" Port
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- One Piece Body
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- Side Entry
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- One piece body or Bolted Bonnet with spiral-would gasket
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- Fire Safe Design
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- Anti-static Design & Blow-out proof stem
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- Butt Weld Ends to ASME B16.25
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- Flanged Ends to ASME B16.5
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- With Top Mounting Flange for Actuator
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2. Main Part & Materials
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Part Names
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Part Materials
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Body
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WCB
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LCB
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WC6
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CF8
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CF8M
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CF3
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CF3M
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Bonnet
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WCB
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LCB
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WC6
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CF8
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CF8M
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CF3
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CF3M
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Ball
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A105
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SS304
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F22
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SS304
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SS316
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SS304L
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SS316L
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Stem
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A105
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F304
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F6a
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F304
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F316
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F304L
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F316L
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Seat/Seat Ring
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PTFE/PPTFE/NYLON/DEVLON/PEEK OR METAL
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Packing
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Graphite/PTFE
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Gasket
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SS304+Graphite/SS304+Graphite
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Bolts/Nuts
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B7/2H
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L7/4
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B16/4
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B8/8
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B8M/8M
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B8/8
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B8M/8M
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Suitable Medium
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W.O.G etc.
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HNO3, CH3OOH etc.
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Suitable Temperature
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-29~425 °C
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-46~340 °C
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-46~340 °C
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-196~427 °C
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-196~427 °C
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-196~427 °C
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-196~427 °C
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3. Normal Pressure Rating
PN10~PN50, CLASS150 & CLASS300
4. Normal Size Range
DN25~DN400, 1"~16"