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Combustion 911
Supplying and Serving the Combustion Industry
an Olsträd Engineering Company

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Butterfly Valve BVH

Butterfly Valve BVHS 65W01A

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  • Safety-closing function in event of a main voltage failure
  • Bore diameter: 2½″
  • Max inlet pressure: 150 mbar (2.18 psig)
  • Connection fitting: between two ANSI flanges (2½″)
  • Stop bar: Yes
  • For gas, air, hot air and flue gas
  • Low leakage rate and pressure loss
  • High control accuracy
  • Can be mounted directly onto the actuators IC 20 or IC 40
  • Suitable for intermittent operation
  • Low-maintenance operation

Accessories

Model and Description Price Cart
BVH ACC 01
Heat deflectors /B
IC-20/40 ACC 01
Fastening set IC-BVG/BVA/BVH/LFC /B

Applications

Click on images for close-up view.

Application for butterfly valve BVHS BVHS, safety closing function in the event of a mains voltage failure

The safety closing function ensures that in the event of a mains voltage failure air cannot stream into the furnace without being under control.

The BVHS is installed on the air side together with the actuator IC 40S.

The butterfly valve with manual adjustment is used to adjust the high-fire rate.

Specifications

Types of Gas: Air and flue gas
Construction materials: Housing: GGG
Valve disc: Stainless steel
Drive shaft: Stainless steel
Inlet pressure pe: max. 150 mbar (2.16 psi)
Pressure differential between inlet pressure pe and outlet pressure pa: max. 150 mbar (2.16 psi)
Medium temperature: -20 to 450 °C (-4 to +840 °F)
Ambient temperature: -20 to +60 °C (-4 to +140 °F)
Maintenance cycles: We recommend a function check once a year.

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1½″ bore dia.
2″ bore dia.
2½″ bore dia.
3″ bore dia.
4″ bore dia.
Accessories
BVHS 40W01A
Price: Contact Us
Not available Online
Bore diameter: 1½″; Max inlet pressure: 150 mbar (2.18 psig); Connection fitting: between two ANSI flanges (1½″); Stop bar: Yes
BVHS 50W01A
Price: Contact Us
Not available Online
Bore diameter: 2″; Max inlet pressure: 150 mbar (2.18 psig); Connection fitting: between two ANSI flanges (2″); Stop bar: Yes
BVHS 65W01A
Price: Contact Us
Not available Online
Bore diameter: 2½″; Max inlet pressure: 150 mbar (2.18 psig); Connection fitting: between two ANSI flanges (2½″); Stop bar: Yes
BVHS 80W01A
Price: Contact Us
Not available Online
Bore diameter: 3″; Max inlet pressure: 150 mbar (2.18 psig); Connection fitting: between two ANSI flanges (3″); Stop bar: Yes
BVHS 100W01A
Price: Contact Us
Not available Online
Bore diameter: 4″; Max inlet pressure: 150 mbar (2.18 psig); Connection fitting: between two ANSI flanges (4″); Stop bar: Yes
BVH ACC 01
Price:
Heat deflectors /B

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