Intermittent Blow-Down (IBD) Valve

Intermittent Blow-Down (IBD) Valve 

This type of valve removes alkaline earths, phosphates or polyacrylates that may form a sludge at the bottom of the lowest boiler drum and can affect heat transfer. The Intermittent Blow-Down Valve is mostly a quick opening valve, utilizing spring aided levers. The frequency of operation depends on the quality of the feed water. Angle (Type 71), Y-Globe Type (50ST) and Straight Type Blow-down Valves (55BS) are available.

Features:
• Backseat arrangement (optional)
• Replaceable, fixed or integral seat construction
• Manual actuator, others on request
• Sealing surface hard faced with stellite for Tight Shut Off
• Lever actuator for quick opening/closing of valve for sizes up to 2” with a max. port diameter of 32 mm
• Gear actuators

Advantages:
• Low fugitive emissions achieved with double packing arrangement
• One-piece spindle disc
• Very high single-stage delta p
• Sturdy cast yoke
• Double packing arrangement
• Quick and easy maintenance
• Lantern ring
• Live loaded packing option
• Non-rotating stem-linear motion through packing rings
• Actuator as per customer specification