QUICK COUPLER, KEY AND HOSE SWIVEL CHARTS Quick Coupler Models Model Inlet Threads Slots Body Color* Locking Key Swivels HQ-3RC 3/4" NPT 2 1 - Piece Yellow No HK-33 HS-0 HQ-33DRC 3/4" NPT 2 2 - Piece Yellow No HK-33 HS-0 HQ-33DLRC 3/4" NPT 2 2 - Piece Yellow Yes HK-33 HS-0 HQ-44RC 1" NPT 1 2 - Piece Yellow No HK-44 HS-1 or HS-2 HQ-44LRC 1" NPT 1 2 - Piece Yellow Yes HK-44 HS-1 or HS-2 HQ-44RC-AW 1" NPT Acme 2 - Piece Wing** Yellow No HK-44A HS-1 or HS-2 HQ-44LRC-AW 1" NPT Acme 2 - Piece Wing** Yellow Yes HK-44A HS-1 or HS-2 HQ-5RC 1" NPT 2 1 - Piece Yellow No HK-55 HS-1 or HS-2 HQ-5LRC 1" NPT 2 1 - Piece Yellow Yes HK-55 HS-1 or HS-2 HQ-5RC-B 1" BSP 2 1 - Piece Yellow No HK-55 HS-1-B or HS-2-B HQ-5LRC-B 1" BSP 2 1 - Piece Yellow Yes HK-55 HS-1-B or HS-2-B * All Locking cover models are available with purple covers for reclaimed water applications. ** Anti-rotation stabilization wings. Keys Key Model Compatible Valve Compatible Swivel HK33 = 3/4" valve, 3/4" key inlet HQ3, HQ33 HS0 HK44 = 1" valve, 1" key inlet HQ44 HS1, HS2, HS1B, HS2B HK44A = 1" valve, acme key inlet HQ44AW HS1, HS2, HS1B, HS2B HK55 = 1" valve, 11/4" key inlet HQ5 HS1, HS2, HS1B, HS2B Hose Swivels Hose Swivels Compatible Key HS0 = 3/4" inlet, 3/4" hose outlet HK33 HS1 = 1" inlet, 3/4" hose outlet HK44, HK44A, HK55 HS2 = 1" inlet, 1" hose outlet HK44, HK44A, HK55 HS1B = 1" inlet, 3/4" BSP outlet HK44, HK44A, HK55 HS2B = 1" inlet, 1" BSP outlet HK44, HK44A, HK55
HQ Pressure Loss in Bar Flow m³/hr HQ-3 HQ-33 HQ-44 HQ-5 1 0.06 0.07 2.3 1.12 0.14 3.4 0.28 0.30 0.15 4.5 0.50 0.52 0.30 0.07 6.8 0.79 0.21 9.1 0.43 11.4 0.63 13.6 0.90 15.9 1.37 HQ Pressure Loss in kPa Flow l/min HQ-3 HQ-33 HQ-44 HQ-5 18.9 5.50 6.90 37.9 12.4 13.8 56.8 28.3 29.6 15.2 75.7 49.6 52.4 30.3 6.90 113.6 79.3 20.7 151.4 43.4 189.3 63.4 227.1 89.6 265 136.5
