Hansen AW251H, 2-1/2 NH3 Shut-off Valve Angle, Welded, Handwheel


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Hansen low pressure drop refrigerant shut-off valves are designed to be butt-welded directly to steel piping, thereby eliminating potential leaky flanges or threaded joints and simplifying installation. Cast steel bodies are lightweight, yet have substantial wall thickness to overcome corrosion potential. The cast steel body is rigid, reducing the potential for seat leakage due to flexing of the valve body under abnormal conditions. The "heart" of Hansen shut-off valves is the patented no-leak seal-plus-stempacking design. This seal design is used exclusively on Hansen shut-off valves and virtually eliminates stem seal leakage.

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  • Weight: 26.000000
  • Condition: New
  • Brand: Hansen
  • Port Size: 2-1/2"
  • Ball Bearings: Stainless steel
  • Body: Cast steel, ASTM A-352, Grade LCB
  • Bonnet Style: Screwed Bonnet
  • Handwheel: Zinc plated iron alloy
  • Disc Holder: Plated steel
  • Seal Cap: Zinc Plated Steel
  • Seat Disc: Retained PTFE Teflon
  • Stem: Polished stainless steel
  • Stem Packing: Graphite composite plus neoprene O-ring in series
  • Top Cover: Ductile iron, ASTM A-536
  • Valve Body Type: Angle
  • Packing Nut: Zinc plated steel
  • Safe Working Pressure: 400 psig (28 bar g) standard, 600 psig (41 bar g) upon request
  • Operating Temperature: Standard, -60°F to 240°F (-51°C to 115°C), temperatures below -60°F (-51°C) to -76°F (-60°C) at coincident pressures (Bolted bonnet only) Optional, -20°F to 300°F (-29°C to 149°C)
  • Connection Style: Butt Weld
  • Width: 8
  • Height: 8
  • Length: 14
  • Allow USPS Shipping: Yes

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