Bellows-Sealed Valves

4 Series Available

Select a series to view detailed specifications, dimensional drawings, and ordering information.

UHP

BV-01

Pneumatic Bellows Globe Valve —QBV Series

Pneumatic bellows globe valve with S-shaped flow path. Compact design, low pressure drop, wide adjustability. NC up to 120 psig, NO up to 220 psig.

Working pressure (NC)

Vacuum to 120 psig (8.3 bar)

Working pressure (NO)

Vacuum to 220 psig (15.2 bar)

Flow coefficient (Cv) 1/4"

0.3

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UHP

BV-02

Manual Bellows Globe Valve —HBV Series

Manual bellows globe valve with all-metal seal. Pressures up to 800 psig, temperatures up to 280 °C.

Max working pressure

800 psig (55 bar)

Flow coefficient (Cv)

0.3

Leak rate (He)

≥4×10 Pam/s

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UHP

BV-03

Pneumatic Vacuum Bellows Angle Valve —QAV Series

Pneumatic vacuum bellows angle valve for high-vacuum process isolation. KF16/KF25, Cv 1.0/1.5, >5 million cycle life.

Working pressure

10 Pa to 0.5 MPa (vacuum to 5 bar)

Max differential pressure

30 psi (2 bar)

Flow coefficient (KF16)

1.0

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UHP

BV-04

Manual Vacuum Bellows Angle Valve —HAV Series

Manual vacuum bellows angle valve with KF25 flanges. Compact design, 316L bellows, Ra ≥0.13 μm.

Working pressure

10 Pa to 0.2 MPa (vacuum to 2 bar)

Flow coefficient (Cv)

1.5

Leak rate (He)

≥1×10 Pam/s

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