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Neles BO Series Butterfly Valve
Brand: ValmetMetso's Neles BO series Butterfly Valve is designed for use in vacuum Pressure Swing Adsorption plants (VPSA), under extreme demanding conditions due to the high cycle and high tightness requirement.
The series BO valve is a wafer type, soft seated, high performance, single eccentric disc valve.
The valve is designed to last huge amounts of fast cycles, maintaining the internal tightness.
Additionally it provides long lasting tight shut off with excellent flow characteristics and high capacity.
The BO series fulfils the requirements of both ASME and EN/DIN standards.
Specifications
Brand
Applications
- Vacuum Pressure Swing Adsorption Plants
Approvals & Certifications
- API 598
- ISO 5208
Bearing Material
- Thrust: Metal & PTFE Coating
Bushing Material
- Bearing: Stainless Steel
Cover Material
- Stainless Steel
Disc Material
- Aluminum Hard Coated (EN 10088, ASTM A)
- Clamping: Stainless Steel
Enclosure, Body Details
- Wafer
Enclosure, Body Material
- Carbon Cast Steel (EN 10213 to 1.0619)
- Carbon Steel (ASTM A 216 Grade WCB)
Flange Material
- Stainless Steel
Flange Size - 10” (DN 250)
- 10” (DN 250) - 150# ASME
- 10” (DN 250) - PN 10
- 10” (DN 250) - PN 16
Flange Size - 12” (DN 300)
- 12” (DN 300) - 150# ASME
- 12” (DN 300) - PN 10
- 12” (DN 300) - PN 16
Flange Size - 14” (DN 350)
- 14” (DN 350) - 150# ASME
- 14” (DN 350) - PN 10
- 14” (DN 350) - PN 16
Flange Size - 16” (DN 400)
- 16” (DN 400) - 150# ASME
- 16” (DN 400) - PN 10
- 16” (DN 400) - PN 16
Flange Size - 18” (DN 450)
- 18” (DN 450) - 150# ASME
- 18” (DN 450) - PN 10
- 18” (DN 450) - PN 16
Flange Size - 20” (DN 500)
- 20” (DN 500) - 150# ASME
- 20” (DN 500) - PN 10
- 20” (DN 500) - PN 16
Flange Size - 24” (DN 600)
- 24” (DN 600) - 150# ASME
- 24” (DN 600) - PN 10
- 24” (DN 600) - PN 16
Flange Size - 28” (DN 700)
- 28” (DN 700) - 150# ASME
- 28” (DN 700) - PN 10
- 28” (DN 700) - PN 16
Flange Size - 30” (DN 750)
- 30” (DN 750) - 150# ASME
- 30” (DN 750) - PN 10
- 30” (DN 750) - PN 16
Flange Size - 32” (DN 800)
- 32” (DN 800) - 150# ASME
- 32” (DN 800) - PN 10
- 32” (DN 800) - PN 16
Flange Size - 36” (DN 900)
- 36” (DN 900) - 150# ASME
- 36” (DN 900) - PN 10
- 36” (DN 900) - PN 16
Flange Size - 40” (DN 1000)
- 40” (DN 1000) - 150# ASME
- 40” (DN 1000) - PN 10
- 40” (DN 1000) - PN 16
Flange Size - 8” (DN 200)
- 8” (DN 200) - 150# ASME
- 8” (DN 200) - PN 10
- 8” (DN 200) - PN 16
Flow Rate
- 400 to 94,570 Cv at Cv 90°
Gland Packing Material
- Stainless Steel
Materials of Construction
- Bearing Protection: PTFE
- Pin: 165M Stainless Steel (1.4418)
- Pin: 630 Stainless Steel (ASTM A 546 Grade 630, 17-4 PH)
- Pin: AISI 329 Stainless Steel
- Washer, Retaining Plate, Key, Lock Washer, Pin: Stainless Steel
Nut & Bolt Material
- Hexagon Nut: Stainless Steel
Packing Material
- O-Ring: FKM
Pressure Range
- Shut Off - psi: 29 (kPa: 200, bar: 2) - Max.
Ring Material
- Back Up: PTFE
- Sealing: Stainless Steel
Screw Material
- Cylinder Head, Hexagon: Stainless Steel
Seat / Seal Material
- O-Ring Seal, Seat: FKM
- Sealing: PTFE
Shaft Material
- 165M Stainless Steel (1.4418)
- 630 Stainless Steel (ASTM A 546 Grade 630, 17-4 PH)
- AISI 329 Stainless Steel
- Drive: Stainless Steel
Supply Pressure
- Air - psi: 72.5 (kPa: 500, bar: 5)
Temperature Range
- -10° to 200° C (14° to 392° F)
Valve Type
- Solenoid Valve