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New Products / Mixing & Blending / Emerson Process Management

VBL Pneumatic Volume Booster

September 19, 2011
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Emerson Process Management''s new Fisher® VBL pneumatic volume booster incorporates a fixed deadband, internal soft seats and an integral bypass restriction that combine to eliminate the positioner problems typically caused by boosters without these design features. The new booster''s enhanced performance capability proves highly important in applications where a valve positioner alone cannot provide the stroking speed needed to meet rapidly changing process conditions and demands, according to the manufacturer. The new booster design features internal soft seats that yield tight shutoff to reduce unnecessary air consumption and eliminate saturation of positioner relays.
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