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R9-Series Fixed O-Ball Straight Line Control Valve

The valve is designed as ball and valve seat floating seal structure with automatic compensation function, self-sealing and valve automatic bleed function and the two-way sealing function which has large adjustable ratio, high pressure differential resistance, good stability, long service life, good erosion resistance and anti blocking. The valve can be particularly used for high temperature and high pressure control application and medium with fiber particles control application, and various kinds of liquid and gas steam medium control application.

Nominal Diameter:   1/2 ~ 20
Nominal Pressure:   ANSI150~ANSI2500
Flow Characteristics:   quick open
Temperature of Media:   -100 ~ +780

Body Material:   WCB, CF8, CF8M, WC6, WC9, Monel, Hastelloy, Titanium Alloy etc.
Ball Material:   CF8, CF8M, CF3, CF3M, Monel, Hastelloy, Titanium Alloy etc.
Valve Seat Material:   304/304L, 316/316L, PTFE, RPTFE, Monel etc.
Regulating Ratio:   200:1 
Leak Tolerance:   ANSI B 16.5.104 Grade (soft seal), ANSI B 16.5.104Grade (hard seal)
Structural Type:   Soft seal, Hard seal

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