Quick Couplers Pressure Loss in PSI Flow GPM HQ-3 HQ-33 HQ-44 HQ-5 5 0.8 1.0 10 1.8 2.0 15 4.1 4.3 2.2 20 7.2 7.6 4.4 1.0 30 11.5 3.0 40 6.3 50 9.2 60 13.0 70 19.8
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
