Anderson Greenwood (AGCO) M5K, M5AK, M5YK Primary Isolation Valves
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Anderson Greenwood (AGCO) M5K, M5AK, M5YK Primary Isolation Valves

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The Anderson Greenwood M5K, M5AK, and M5YK OS&Y gauge root valves deliver reliable primary isolation for the most demanding refinery and chemical plant applications. Built to handle pressures up to 6,000 psig and temperatures reaching 1000°F, these heavy-duty root valves feature a true 4-bolt bonnet design that completely isolates the stem threads from the process media.

The M5K and M5AK utilize multi-port designs for efficient gauge mounting, while the M5YK provides dual-port versatility for differential pressure transmitters. Submit your specifications using the “Contact us for quote” button above, and our engineering team will provide rapid pricing for your required OS&Y isolation valves.

Features

  • True 4-bolt bonnet design provides easy access to the packing gland. Stem threads are completely isolated from the process
  • Protective stem bellows and cap protects against atmospheric contamination, increases valve life and helps contain stem lubricant, reducing thread galling
  • Compact design minimizes space requirements. Lower valve weight improves connection strength and reduces induced bending moments
  • Multi-port outlet means fewer fittings, fewer leak points and reduced installation cost
  • Standard CF8M investment cast yoke resists corrosion, increasing valve life
  • Single-piece yoke design eliminates stem binding
  • Widely compatible graphite or PTFE flange gasket ring minimizes bonnet-to-body gasket deterioration
  • Free-swivelling ball end stem design (M5K, M5YK) or non-rotating plug design (M5AK) provide bubble-tight valve closure without metal seat galling and low seating torque
  • Integral hard back seat (M5K, M5YK) protects against stem blowout and provides alternate sealing for longer packing life
  • Optional replaceable soft seat design (M5K, M5AK) provides bubble-tight seat with a fully, roddable, bi-directional flow

Applications

  • Gauge mounting
  • Instrument ties in refineries and chemical plants
  • M5YK is also for use in differential pressure transmitter installations