The Mark 130 is a self operating flow regulator with an external dial that needs no external power source. It will maintain a constant downstream flow rate (+/-5% of full scale) regardless of inlet or outlet pressure fluctuations. It is available in bronze and stainless steel body materials, with an EPDM or Viton diaphragm, in sizes 1/4" through 2" (DN8 through DN50)
Common applications are providing a fixed amount of water per hour for irrigation or to fine applications like supplying a fixed amount of solvent from a source where the pressure fluctuates.
Min pressure differential: 15 psi (103 kpa)
Max pressure differential: 145 psi (1,000 kpa)
Max working pressure: 145 psi (1,000 kpa)
Flow ranges: ¼” - 0.1, 0.05 or 0.5 USGPM
½” -1 to 10 or 0.5 to 5.0 USGPM
¾” - 2.0 to 20 USGPM
1” - 3.0 to30 USGPM
1½” - 7.0 to 70 USGPM
2” - 8 to 90 USGPM
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