SchuF Chemieventile Vertriebs GmbH & Co. KG
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.
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- 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
- 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