Product Detail
HSNC
Quick Overview
NEEDLE CHECK VALVE
Max Pressure: 5000 PSI (345 bar)Rated Flow Rate: 12.5 to 225 gpm (47 to 852 l/min)
A HSNC valve prevents the flow in one direction while providing an adjustable orifice in the other direction.
When differential pressure at port 1 is higher than at port 2, the main spool is forced against an inner-chamber spring and opens port 1 to 2. The spool travel (orifice opening) is adjustable by turning the knob counter clockwise (screw turns outwards) to increase flow. A reversal flow, with higher differential pressure at port 2, forces the spool closed and blocks flow.
The HSNC cartridge valve is constructed of steel parts. Operating parts are hardened and ground as required. The cartridge is designed for easy service and field repair.
| 600 | 800 | 1200 | |||||
| Rated Flow (Δ 100 psi/7 bar) | Cracking Pressure 1 | 12.5 gpm | 47 l/min | 38 gpm | 144 l/min | 73 gpm | 277 l/min |
| Cracking Pressure 2 | - | - | 34 gpm | 129 l/min | 67 gpm | 254 l/min | |
| Cracking Pressure 3 | - | - | 31 gpm | 117 l/min | 60 gpm | 227 l/min | |
| Max Operating Pressure | 5000 psi | 345 bar | 5000 psi | 350 bar | 5000 psi | 350 bar | |
| Cracking Pressure | 1 | 14 psi | 1 bar | 10 psi | 0.7 bar | 8 psi | 0.6 bar |
| 2 | - | - | 40 psi | 3 bar | 35 psi | 2 bar | |
| 3 | - | - | 65 psi | 5 bar | 70 psi | 5 bar | |
| Torque to Adjust Valve Under Max Pressure | 17 in.lb | 1921 Nmm | 30 in.lb | 3390 Nmm | 70 in.lb | 7910 Nmm | |
| Viscosity Range | 27 to 2000 SSU at 100 °F | 1 to 432 cSt | |||||
| Temperature Range | -40 to +350 °F | -40 to +175 °C | |||||
| 1600 | 2000 | ||||
| Rated Flow (Δ 100 psi/7 bar) | Cracking Pressure 1 | 90 gpm | 341 l/min | 225 gpm | 852 l/min |
| Cracking Pressure 2 | 80 gpm | 303 l/min | 180 gpm | 681 l/min | |
| Cracking Pressure 3 | 19 gpm | 72 l/min | 150 gpm | 568 l/min | |
| Max Operating Pressure | 5000 psi | 350 bar | 5000 psi | 350 bar | |
| Cracking Pressure | 1 | 10 psi | 0.7 bar | 5 psi | 0.3 bar |
| 2 | 30 psi | 2 bar | 25 psi | 2 bar | |
| 3 | 60 psi | 4 bar | 50 psi | 4 bar | |
| Torque to Adjust Valve Under Max Pressure | 110 in.lb | 12430 Nmm | 500 in.lb | 56500 Nmm | |
| Viscosity Range | 27 to 2000 SSU at 100 °F | 1 to 432 cSt | |||
| Temperature Range | -40 to +350 °F | -40 to +175 °C | |||
Product Specifications
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