GFG2 Series 2-Way Flow Control Valve
2-way flow control valves series GFG provide pressure compensated flow for a precise movement control. The valve design largely compensates temperature variations to a certain extent. The GFG is optionally equipped with a built-in check valve for the return flow. Series GFG2 features a flow rate independent of pressure and temperature, available for 7 different flow rates, good fine adjustment, and optional reverse flow check valve.
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Specifications
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Mechanical
Design Orifice, infinitely variable, pressure-compensated - Actuator Manual flow rate adjustment - Mounting Type ISO 6263 Code: ISO 6263-AB-03-4-B Mounting Position Unrestricted - MTTFD Value 150 years - Weight 1.1 kg without subplate Fluid Hydraulic oil according to DIN 51524 - Fluid Temperature -20°C to +70°C NBR: -25°C to +70°C Viscosity Recommended: 30 to 80 cSt / mm²/s Permitted: 20 to 400 cSt / mm²/s Filtering ISO 4406 (1999); 18/16/13 - Minimum Pressure Difference 5 (GFG*1.6/3.2) bar, 8.5 (GFG*6.3/12/18) bar - Operating Pressure A; B = 315 bar, P = 5 (GFG*, GFG*C) bar, A, B, P = 160 (GFG*X) bar - Effect of Pressure on Qmax at p = 160 bar ± 2 (GFG*1.6/3.2/6.3/12)%, ± 2.5 (GFG*18)% - Flow Direction A to B: Flow control function - B to A: Throttle function of free flow through check valve - Environmental
Ambient Temperature -20°C to +60°C - -
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