Port Size
- 3/4" (20mm) (13)
- 1" (25mm) (13)
- 1-1/4" (32mm) (13)
- 1-1/2" (44mm) (9)
- 2" (50mm) (9)
- 2-1/2" (65mm) (3)
- 3" (88mm) (5)
- 4" (100mm) (5)
- 5" (125mm) (1)
- 6" (150mm) (1)
Model
Connection Size
- 3/4" (12)
- 7/8" (1)
- 1" (12)
- 1-1/8" (1)
- 1-1/4" (12)
- 1-3/8" (1)
- 1-1/2" (8)
- 1-5/8" (1)
- 2" (8)
- 2-1/8" (1)
- 3" (10)
- 3-1/8" (2)
- 4" (1)
- 5" (1)
- 6" (1)
Connection Style
Hansen HCK1/HCK1W Piston Type Check Valves (3/4"-6")
Hansen HCK1/HCK1W Piston Type Check Valves are flanged, heavy-duty, piston-type check valves that control the flow of refrigerant.