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Yarway-P-P000505

Yarway Hy-Drop Throttling Valve

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Product Description

Yarway Hy-Drop 5800 Surface Blowdown Valve controls the destructive forces in continuous boiler blowdown applications. The Hy-Drop throttling valve is designed for continuous blowdown, but also excels for sampling, high pressure vents, boiler feed pump bypass relief, high pressure drop services associated with erosive and wiredrawing characteristics - or where velocity is sufficient to destroy valves of conventional globe or even venturi designs.

Charakterystyka

  • Dual range throttling - primary range plus a super capacity blast range.
  • Rapid energy dissipation - controls the destructive forces inherent in high pressure drop service.
  • Accurate and repeatable settings - micrometer dial assures setting accuracy and positive resetting capability.
  • Quick-change disc - insert an interchangeable stem-disc into the same valve body to convert from one orifice size to another.
  • Guided-disc - eliminates disc vibration and chatter.
  • Loose disc: Disc design provides multiposition seating and assures positive alignment of seat and disc surfaces. This gives sure protection against premature failures from seat-to-disc “grind” prevalent in valves of integral stem-disc design.
  • Dual-purpose disc - separate surfaces for shutoff and throttling.
  • Stellite seat - resists corrosion and wiredrawing.
  • In-line repair - Yarway reseating tool can be used to cut a new seat in-line.
  • Resetting capability: The Hy-Drop® valve has positive resetting capability to accommodate multiple-operation programs with accurate flow control variations.
  • In-line repair:Yarway reseating tool can be used to cut a new seat without removing the valve from the piping.
  • Motor actuation: For local or remote operation.

Dane techniczne

Critical Service
Flashing, Cavitation
Applications
Boiler Surface Blowdown, Centrifugal Pump Recirculation, etc.
Flow Characteristics
Linear
Material
Carbon Steel, Metal, Steel
ASME Shutoff Class
Class V (FCI 70-2)
Valve Size
NPS 1, 1-1/4, 1-1/2 / DN 25, 32, 40
Valve Type
Globe, Angle Valve
Certifications
ASME B31.1

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