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| | | 2CN SERIES NEEDLE VALVE FINE ADJUSTMENT - POSITIVE SHUT OFF | | |
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| | | 2CN20 | | |
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| | | APPLICATION | | FEATURES | | |
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| | | The cartridge needle valves can be set and locked to restrict flow in both directions. A typical use is the speed control of cylinders or other actuators. (For pressure compensated flow control valves see Section 9). The fine adjustment and complete shut-off allow the valves to be used for snubbing pressure gauges and for use as shut-off valves. | | All steel construction with hardened and ground adjustment needle. Cartridge construction for versatility in applications. Sealed adjuster for leak-free adjustment. | | |
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| | | SPECIFICATIONS Figures based on: Oil Temp = 40°C Viscosity = 40 cSt | | |
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| | | | | | | | | | Rated Flow | 20 litres/min (5 US GPM) | | | | Max Pressure | 350 bar (5000 psi) | | | | Cartridge Material | External parts zinc plated | | | | Body Material | Standard aluminium (up to 210 bar*) Add suffix '377' for steel option. | | | | Mounting Position | Unrestricted | | | | Cavity Number | A879 (See Section 17) | | | | Torque Cartridge into Cavity | 30 Nm (22 lbs ft) | | | | Weight | 2CN20 0.12 kg (0.26 lbs) 2CN25 0.40 kg (0.87 lbs) | | | | Seal Kit Number | SK446 (Nitrile) SK446V (Viton) | | | | Recommended Filtration Level | BS5540/4 Class 18/13 (25 micron nominal) | | | | Operating Temp | -20°C to +90°C | | | | Leakage | 0.3 millilitres/min nominal (closed) | | | | Nominal Viscosity Range | 5 to 500 cSt | | | | | | | | | |
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| | | Rotation of the adjustment screw varies the valve opening to give a flow path approximately proportional to the turns of the screw. | | |
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| | | PRESSURE DROP | | |
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| | | FLOW-US GPM | | |
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| | | 0 2 | | |
| | | 4 | | 6 8 | | |
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| | | 15 | | |
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| | | 200 | | |
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| | | 12 | | |
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| | | 150 | | |
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| | | X x ■ji ■ji x | | |
| | | 9 | | |
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| | | 100 | | |
| | | X X | | |
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| | | 6 | | |
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| | | 50 | | |
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| | | 3 | | |
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| | | 0 | | |
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| | | 0 | | 12 18 24 30 FLOW LITRES/MIN | | |
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| | | *For applications above 210 bar please consult our technical department or use the steel body option. | | |
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| | | Integrated Hydraulics Ltd Collins Road, Heathcote Ind. Est., Warwick, CV34 6TF, UK. Tel: +44 (0) 1926 881171 Fax: +44 (0) 1926 315729 Website: www.integratedhydraulics.com | | Integrated Hydraulics Inc 7047 Spinach Drive, Mentor, Ohio 44060, USA Tel: (440) 974 3171 Fax: (440) 974 3170 Website: www.integratedhydraulics.com | | |
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| | | 8-111.C | | |
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