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Marshall Excelsior

MPN: ME991-16-260

Marshall Excelsior 2" NPT x 2"-300# Internal Valve Straight Body - Ductile - 260 GPM

Marshall Excelsior 2" NPT x 2"-300# Internal Valve Straight Body - Ductile - 260 GPM


Regular price $2,029.20 CAD
Regular price Sale price $2,029.20 CAD
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The Marshall Excelsior Excelerator™ Internal Valve (ME991-16-260) is designed for use on transport trucks and large storage tanks with 2” threaded connections. This valve is ideal for directional or bi-directional flow applications and features a durable ductile body with cadmium surface plating. It is equipped with a break-away feature to prevent catastrophic product loss in case of side impact. Suitable for both liquid and vapor service applications, this valve ensures reliable performance with the following specifications:

Key Features:

  • Durable Ductile Body: Cadmium surface plating for enhanced durability.
  • Stainless Internal Components: Ensures longevity and resistance to corrosion.
  • Threaded Packing Gland: One-piece design for secure sealing.
  • Hard Coated Stem: Precision machined for reliability.
  • Nitrile Seat Disc: Fully retained for effective sealing.
  • Excess Flow Closing Values: Largest variety available in the industry.
  • Roller Cam Actuation: Ensures smooth operation.
  • Fast Bleed Time: Industry's quickest response.
  • Removable Data Plate: Easy identification and maintenance.
  • Serviceability: Easiest valve to service in the industry.
  • Seal Options: Standard nitrile seals, with Neoprene, FFKM, or FKM seals available.
  • UL Listed: Certified for LPG & NH3 service.
  • Rulon™ Bearings: On stem and stub shafts for reduced friction.
  • Corrosion Resistant Mounting Studs: Xylan coated for added protection.


  • Flow Rate: 260 GPM (984 L/min)
  • Material: Ductile body with cadmium plating, stainless steel internal components
  • Connection Size: 2" NPT x 2"-300# Flange
  • Operating Temperature: -20°F to 150°F (-29°C to 66°C)
  • Operating Pressure: Up to 300 psi (20.7 bar)
  • Weight: Approximately 10 kg
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