Parker double-throttle check valves series FM in sandwich design offer an easy configuration of stack systems and provide a very good price-performance ratio. They are optionally available with a cylindrical needle for fine adjustment in NG06 and NG10.

Double-throttle check valves series FM in NG06, NG10, NG16 and NG25 are part of Parker's complete range of sandwich plate valves and provide high flow at low pressure drop for precise and energy-efficient processes. They ensure an easy configuration of conventional stack systems. Throttle and check valves are located in ports A and B.

Markets:
• Industrial
• Machine tools

Features/Benefits:
• Compact, proven design - ensures reliable operation in conventional stack systems
• Two types of metering needle design (FM2 and FM3) - enable to select the optimum throttle characteristics required to suit the application
• Large bypass check valves - allow high flow at low pressure drop
• Very good price-perfomance ratio
• Short delivery time - no warehousing necessary
• Four sizes:
- NG06 (CETOP 03 / NFPA D03)
- NG10 (CETOP 05 / NFPA D05)
- NG16 (CETOP 07 / NFPA D07)
- NG25 (CETOP 08 / NFPA D08)

Applications:
• Suitable for general hydraulic applications
• Machine tools

Function:
FM2 and FM3 can be used as meter-in or meter-out throttle by changing the mounting position. FM4 can be selected by ordering code as meter-in or meter-out throttle. FM6 is only available as meter-out control.

The throttle check valve can also be used to influence the switching time of pilot operated directional valves. In this case, the valve is positioned between the pilot stage (CETOP 03, NG06) and the main stage (CETOP 05, NG10 up to CETOP 10, NG32).

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