Three Pieces Butterfly Valve
Three Pieces Butterfly Valve

VBT Three Pieces Butterfly Valve

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.

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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, pharmaceutical, bio-pharmaceutical and chemical industries.

Materials

  • Body Materials: AISI-304 or AISI-316L

  • Gasket Material: Silicon, EPDM, VITON, NBR

          Valve seat and gasket  comply with FDA 21CFR177.2600

Standard Design

  • Standard Avaliable: DIN, SMS, ISO / IDF, BS / RJT, and ASME / BPE.

  • Available in sizes from DN15 / 1/2" to DN250 / 10"

  • End connection: Butt-weld, Clamp, Male, Nut, Liner or Flange or others upon request.

  • Handle: plastic pull handle (2-4 positions) or plastic/stainless steel squezee handle (13 positions)

  • Actuator: pneumatic stainless steel actuator (vertical type), pneumatic aluminum actuator (horizontal type), electric actuator.

  • Control: position sensor, C-top controller, C-top controller (AS-I)

  • Manual handle, pneumatic actuator and electric actuator are interchangeable.

Technical Specification

  • Max. pressure: 10bar (145psi) DN25 ~ 100; 8bar (120psi) DN125 ~ 150

  • Temperature range: 14 ~ 248°F (-10 ~ 120°C), EPDM

  • Surface treatment: Ra 16 ~ 32µin (0.4 ~ 0.8µm)

  • Supply pressure for air actuator: 70 ~ 115psi

Connection Type

Parameters

Steel material

Product wetted steel parts

AISI 316L / 304 forged
(1.4306 / 1.4404)

Provided with material inspection report

Other steel parts

AISI 304

Seal material

Standard

EPDM

All seal materials comply with FDA 21CFR117.2600

Options

VMQ / FPM

Pressure

Working pressure

≤10bar (145psi)

Supply pressure for air actuator

5 ~ 8bar (70 ~ 116psi)

Temperature

Working temperature

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

Sterilization temperature

302°F (150°C, Max. 20 min)

Surface treatment

Inside surface treatment

Ra 16 ~ 32µin (0.4 ~ 0.8µm)

Outside surface treatment

Ra32 ~ 64µin (0.8 ~ 1.6µm)

Connection

The welding diameter

Welding ends: 
DIN 11850-2 with 11850-1 / SMS / 3A / ISO Series, etc.

End connections: butt-welded, sanitary clamp, male and female threaded, flanged, I-line or others upon request.

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