Standard Couplings Coupling Specification PDF Low Pressure LP Series Pressure: upto 100 bar / 1450 psi Low Pressure Series LP (1,901 KB) Bore Sizes: 2.5, 3, 4, 6, 7, 9, 12, 19, 32, 50 mm End Connection: BSP Male or Female 1/8" to 2 1/2" : Metric Male M5 to 65 : Hose Tails 4mm to 65mm Medium Pressure MD Series Pressure: up to 250 bar / 3625 psi Medium Pressure Series MD (1,176 KB) Bore Sizes: 6, 7, 12, 19, 25, 32, 50mm End Connections: BSP Male or Female ¼" to 2 1/2" : Metric threads M5 to M52 High Pressure HP Series Pressure: up to 2000bar High Pressure Series HP (1,176 KB) Bore Sizes: 4, 6, 10, 16, 20, 32, 50 mm End Connections: BSP Male or Female ¼" to 2 1/2" : Metric threads M12 to M52 Plastic Coupling KL Series Pressure: upto 12bar/170psi Low Pressure Series KL (512 KB) Bore Sizes: 6, 12, 30 mm End Connection: BSP Male or Female 1/4" to 2" : Hose Tails 7mm to 42mm Non Interchangable UF Series Pressure: upto 40bar/580psi Low Pressure Series UF (552 KB) Bore Sizes: 6, 7, 12, 19, 32 mm End Connection: BSP Male or Female 1/4" to 2" : Hose Tails 6mm to 53mm Clean Break BF Series Pressure: upto 40 bar / 580 psi Clean-Break Series BF (131 KB) Bore Sizes: 6, 7, 12, 19, 32 mm End Connection: BSP Male or Female 1/4" to 2" : Hose Tails 6mm to 53mm HC High Pressure Coupling Pressure: up to 650 bar Clean Break High Pressure Series HC (337 KB) BF-025-050 (337 KB) Bore Sizes:6,8,12, and 20mm     Air Safety Coupling 32 Series Pressure: N/A Compressed Air Safety LS/LT (192 KB) Bore Sizes: N/A End Connection: N/A High Temperature Coupling 11 Series Bore Sizes: 12, 19mm 11-012 (110 KB) TE series (101 KB) Max.Working Temp.: 300 degrees C End Connection: BSP Female 3/4" and 1"