Hansen GT051H, 1/2 NH3 Shut-off Valve Globe, Threaded, Handwheel

The advanced design and materials of Hansen refrigerant shut-off and hand expansion valves make them far superior to commonly available products. The extended neck of the bolted bonnet design greatly simplifies insulation, and allows compliance with industry guidelines for insulation thickness. In addition, non-leak seats, stems, and bonnets virtually eliminate the possibility for refrigerant leakage. Anyone who has experienced the failure of a shut-off valve at a crucial time will take care to insist upon these highly reliable valves.Key Features:Non-leak seal plus packingBall bearingsPolished stainless steel stemBack seat for seal replacementAnti-spin seat discTaper SeatGlobe and angle valves availableLow pressure drop designInterchangeable handwheel or seal capTeflon seat discBack seating for packing replacement.Suitable for R717 (ammonia), R22, R134a, R507, R404a, R744 (CO2) and other Hansen approved refrigerants.Valves for 600 psig (41 bar g) SWP available.