GW301H - Hansen - 3 Ammonia Shut-off Valve Globe, Welded, Handwheel

The Hansen GW301H is a 3" 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: GW301H
• Valve Type: Globe Shut-off Valve
• Size: 3" (80 mm)
• Connection: Butt Weld (BW)
• Handle: Handwheel
• Bonnet Style: Screwed
• Body Material: Cast steel (ASTM A-352, Grade LCB)
• Bonnet Material: Ductile iron (ASTM A536)
• Stem: Polished stainless steel
• Seat Disc: Retained PTFE (Teflon)
• Stem Packing: Graphite composite + neoprene O-ring
• Operating Temperature: -60°F to 240°F (-51°C to 115°C)
• Safe Working Pressure: 400 psig (28 bar g)
• Dimensions: Approx. 14" L × 8" W × 8" H
• Weight: ~37 lbs 

💡 Features

• Designed for ammonia (NH₃) and other approved refrigerants
• Butt weld connections for secure, leak-free installation
• Handwheel operation for manual control
• Durable construction for long service life
• Low pressure drop and anti-spin seat disc for high-velocity gas applications