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Masq Engineers

We are manufacturers of industrial valves.We “MASQ Engineers” are a prominent firm that is engaged in Manufacturing of a wide range of valves meant for large scale industries.We have a comprehensive range of products which can serve your extensive needs. Our product range includes Check Valves, Ball... Read more

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Rising Spindle Gate Valves ANSI 150# / 300#

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Rising Spindle Gate Valves ANSI 150# / 300#

Specification Details
Manufacturing Standard API 600, API 6D
Inspection & Testing API 598
Material of Construction Cast Iron / WCB / WC5 / WC6 / WC9 / CF8 / CF8M / CF3 / CF3M / 4A / 5A & other special exotic Alloys
End Connections Screwed to BSP / BSPT / NPT / Socket Weld / Butt Weld Ends / Flanged Ends / RTJ END
Pressure Rating 125# / 150# / 300# / 600# / 900# / 1500# / 2500#
Operation Manual / Gear, Electrical Actuated and Pneumatic Actuator Operated
Size Range 15 NB to 600 NB
A Rising Spindle (Rising Stem) Gate Valve is a heavy-duty isolation valve designed for high-performance fluid control. Unlike non-rising stem versions, the spindle (stem) of this valve moves upward as the valve is opened. This provides an immediate visual indicator of the valve’s position, making it an industry standard for safety-critical systems where knowing whether the flow is "on" or "off" at a glance is essential.

Key Features
  • Visual Positioning: The threaded stem rises above the handwheel when the valve is open, allowing operators to verify the valve status from a distance.
  • Outside Screw and Yoke (OS&Y): The stem threads are located outside the valve body, protecting them from the corrosive effects of the flowing media and allowing for easy lubrication.
  • Full Bore Design: Provides a straight-through flow path with minimal pressure drop and resistance when fully open.
  • Bi-Directional Sealing: Effectively shuts off flow from either direction, ensuring a tight seal even in high-pressure environments.


Applications

Rising spindle gate valves are the preferred choice for infrastructure where reliability and monitoring are paramount:

  • Fire Protection Systems: Standard in sprinkler systems to ensure the valve is never accidentally left closed.
  • Oil & Gas Pipelines: Used for high-pressure isolation where stem corrosion must be avoided.
  • Water Treatment: Ideal for main isolation lines in pumping stations.
  • Steam Services: Designed to handle thermal expansion without seizing the threads.

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