GW200H - Hansen - 2 Ammonia Shut-off Valve Globe, Welded, Handwheel

The Hansen GW200H is a 2" ammonia shut-off valve designed for industrial refrigeration systems. It features a globe valve design, butt weld (BW) connections, and a handwheel actuator, making it ideal for high-pressure ammonia applications.

🔧 Key Specifications

• Model: GW200H
• Valve Type: Globe Shut-off Valve
• Size: 2" (50 mm)
• Connection: Butt Weld (BW)
• Handle: Handwheel
• Body Material: Cast steel (ASTM A-352, Grade LCB)
• Bonnet: Bolted, ductile iron (ASTM A536)
• Stem: Polished stainless steel
• Seat Disc: Retained PTFE (Teflon)
• Stem Packing: Graphite composite + neoprene O-ring
• Seal Cap: Zinc-plated steel
• Safe Working Pressure:
  • Standard: 400 psig (28 bar g)
  • Optional: 600 psig (41 bar g)
• Operating Temperature:
  • Standard: -60°F to 240°F (-51°C to 115°C)
  • Optional: -20°F to 300°F (-29°C to 149°C)
• Weight: ~20 lbs
• Applications: Suitable for R717 (ammonia), R22, R134a, R507, R404a, R744 (CO₂), and other Hansen-approved refrigerants

💡 Features

• Non-leak Seal Plus Packing
• Anti-spin seat disc for high-velocity gas applications
• Back seat for seal replacement
• Low pressure drop design
• Interchangeable handwheel or seal cap
• Extended neck option for insulation clearance