Shut-off Valve 2-1/2" NH3 , Globe, Butt Weld, Handwheel - Hansen

The Hansen GW251H is a 2-1/2" ammonia (NH₃) 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 applications.

🔧 Key Specifications

• Model: GW251H
• Valve Type: Globe Shut-off Valve
• Size: 2-1/2" (65 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
• Seal Cap: Zinc-plated steel
• Operating Temperature: -60°F to 240°F (-51°C to 115°C)
• Safe Working Pressure: 400 psig (28 bar g)
• Dimensions: Approx. 15" L × 10" W × 8" H
• Weight: ~38 lbs 

💡 Features

• Designed for ammonia and other approved refrigerants
• Durable construction for long service life
• Butt weld connections for leak-free installation
• Handwheel for manual operation
• Suitable for high-pressure, high-temperature environments