Application
VBT series butterfly valve is a type of flow control device, used to make a fluid start or stop flowing through a section of pipe. It is well applied to stainless steel pipe systems for food, beverage, dairy, brewing, pharmaceuatical, bio-pharmaceuatical and chemical industries.
Materials
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Body Materials: AISI-304 or AISI-316L
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Gasket Material:Silicon, EPDM, VITON, NBR
Valve seat and gasket comply with FDA 21CFR177.2600
Standard Design
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Standard Avaliable: DIN, SMS, ISO / IDF, BS / RJT, and ASME / BPE.
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Available in sizes from DN15 / 1/2" to DN250 / 10"
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End connection: Butt-weld, Clamp, Male, Nut, Liner or Flange or others upon request.
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Handle: plastic pull handle (2-4 positions) or plastic/stainless steel squezee handle (13 positions)
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Actuator: pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), electric actuator.
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Control: position sensor, C-top controller, C-top controller (AS-I)
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Manual handle, pneumatic actuator and electric actuator are interchangeable.
Technical Specification
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Max. pressure: 10bar (145psi) DN25 ~ 100; 8bar (120psi) DN125 ~ 150
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Temperature range: 14 ~ 248°F (-10 ~ 120°C), EPDM
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Surface treatment: Ra 16 ~ 32µin (0.4 ~ 0.8µm)
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Supply pressure for air actuator: 70 ~ 115psi
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Parameters
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Steel material
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Product wetted steel parts
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AISI 316L / 304 forged
(1.4306 / 1.4404)
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Provided with material inspection report
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Other steel parts
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AISI 304
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Seal material
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Standard
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EPDM
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All seal materials comply with FDA 21CFR117.2600
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Options
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VMQ / FPM
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Pressure
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Working pressure
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≤10bar (145psi)
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Supply pressure for air actuator
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5 ~ 8bar (70 ~ 116psi)
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Temperature
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Working temperature
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EPDM: 14 ~ 248°F (-10 ~ 120°C)
VMQ: -58 ~ 356°F (-50 ~ +180°C)
FPM: -22 ~ 446°F (-30 ~ +230°C)
Other materials are available upon request
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Sterilization temperature
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302°F (150°C, Max. 20 min)
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Surface treatment
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Inside surface treatment
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Ra 16 ~ 32µin (0.4 ~ 0.8µm)
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Outside surface treatment
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Ra32 ~ 64µin (0.8 ~ 1.6µm)
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Connection
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The welding diameter
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Welding ends:
DIN 11850-2 with 11850-1 / SMS / 3A / ISO Series, etc.
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End connections: butt-welded, sanitary clamp, male and female threaded, flanged, I-line or others upon request.
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