Non-Contact Top Entry Rising Stem Valve

Valves

Non-Contact Top Entry Rising Stem Valve

Ringo Non-Contact Top Entry Rising Stem Valve is designed to minimize wear by avoiding continuous contact between the stem and the ball. This innovation allows quick maintenance without dismantling the pipeline, making it ideal for severe services that demand maximum reliability and zero leakage.

Features and MaterialsDesign and Applications

Features

  • Friction Reduction: Rising stem design avoids continuous contact with the ball, reducing friction and extending service life.
  • Top-Entry Maintenance: Allows superior access for rapid servicing without pipeline removal.
  • Tight Shut-Off: Provides leak-tight closure with low operating torque.
  • Actuator Compatibility: Suitable for manual and automated actuators for various control needs.
  • Low Emissions: Minimizes external leaks and emissions for enhanced safety and compliance.
  • Severe Fluid Handling: Capable of handling corrosive and abrasive fluids, protecting internal components.
  • Seal Durability: Withstands frequent cycles without seal degradation.
  • Wide Operating Range: Reliable for ANSI 150–1500 pressures and process temperatures up to 400 °C.
  • Regulatory Compliance: Designed according to API 6D and ASME B16.34 standards.
  • Double Containment: Secondary packing ensures dual leak containment for extra safety.

Body Design

  • Top-entry design enables internal maintenance without pipeline disassembly.
  • Robust construction withstands high pressures and temperatures.
  • Minimizes sediment accumulation zones to reduce wear.
  • Complies with API 6D and ASME B16.34 standards for quality and safety.

Construction Materials

  • Body Materials: Carbon Steel (A105, A216 WCB), Stainless Steel (304, 316), Duplex/Super Duplex, Nickel Alloys (Inconel, Hastelloy), and special low-temperature materials.
  • Trim Materials (Internal): Ball in stainless steel or Stellite-coated, seats in PTFE, PEEK, or high-resistance plastics, stem in hardened stainless steel, seals and packing in graphite, PTFE, or high-pressure/temperature materials.

Trim Design

  • Rising stem design prevents constant contact with the ball, minimizing wear and extending lifespan.
  • Seats are corrosion- and abrasion-resistant, with seals ensuring leak-tight shut-off even in severe service.
  • Low-torque operation with high reliability for demanding applications.

Applications

  • Severe Services: Critical for petrochemical and natural gas industries requiring high reliability.
  • Abrasive Fluids: Ideal for steam and abrasive process fluids.
  • Critical Systems: Used where zero leakage is mandatory for safety and performance.

Information

General Brochures

BROCHURE PRODUCTS:
Non-Contact Top Entry Rising Stem Valves / Technical Data

Certificates

Ringo Ringo Non-Contact Top Entry Rising Stem Valves are engineered for maximum reliability and durability in severe services, featuring a rising stem design that avoids continuous contact with the ball to reduce friction and extend service life. Their top-entry construction allows quick maintenance without removing the valve from the pipeline, while robust materials and advanced sealing systems ensure leak-tight performance, low emissions, and safe operation under high pressures and temperatures. With compatibility for manual and automated actuators, and compliance with API and ASME standards, these valves are ideal for handling corrosive, abrasive, or critical fluids in industries where zero leakage and operational safety are essential.are engineered for maximum reliability and durability in severe services, featuring a rising stem design that avoids continuous contact with the ball to reduce friction and extend service life. Their top-entry construction allows quick maintenance without removing the valve from the pipeline, while robust materials and advanced sealing systems ensure leak-tight performance, low emissions, and safe operation under high pressures and temperatures. With compatibility for manual and automated actuators, and compliance with API and ASME standards, these valves are ideal for handling corrosive, abrasive, or critical fluids in industries where zero leakage and operational safety are essential.

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