The HR Series is a metering valve for precise adjustment of very low flows in instrumentation lines. It comes in seven orifice sizes from H0 to H6 in in-line and angle patterns, with seals of fluorocarbon, nitrile, EPR, neoprene and others. Handle options are knurled, turns counter and slotted stem.
| Pressure Rating | 250 psig (17 bar) CWP |
| Turns to Open | 15 ± 1 |
| Valve / Seal Temperature Rating | FKM rubber -10°F to 400°F (-23°C to 204°C) / NBR -10°F to 250°F (-23°C to 121°C) / EPR -40°F to 250°F (-40°C to 121°C) / neoprene rubber -40°F to 250°F (-40°C to 121°C) / highly fluorinated FKM rubber -25°F to 200°F (-32°C to 93°C) |
| Cv (In-Line Pattern) | H0 0.0004 / H1 0.0070 / H2 0.0140 / H3 0.0200 / H4 0.0300 / H5 0.0470 / H6 0.1180 (XT = 0.85) |
| Cv (Angle Pattern) | H0 0.0004 / H1 0.0070 / H2 0.0140 / H3 0.0210 / H4 0.0320 / H5 0.0490 / H6 0.1550 (XT = 0.66) |
| Body Material | Stainless steel, brass |
| Handle Type | Knurled (K), turns counter (TC), slotted stem / no handle (NS) |
| End Connection | CPI/A-LOK tube fittings (1A, 2A, 2F, 2Z, 4A, 4F, 4M, 4Z, etc.) |