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Home | Regulators | FL Series Pressure Reducing Regulators

FL Series Pressure Reducing Regulators

FL Series Pressure Reducing Regulators The FL Series regulators are accurate pilot-operated, pressure balanced, soft seated regulators designed for high pressure transmission/city gate, large capacity distribution systems and power plant feeds. The FL Series provides smooth, quiet operation, tight shutoff and long life. The regulator utilizes a main valve actuator, a Type PRX pressure reducing pilot, and a Type SA/2 pilot supply pressure regulator. The Type PRX pilot uses inlet pressure reduced by a Type SA/2 supply pressure regulator, as loading pressure to operate the main valve actuator. The outlet pressure is sensed through a control line on the main valve actuator and also on the Type PRX pilot diaphragm.

Features
  • High capacity
  • Versatility
  • Counterbalanced shutter
  • Full strength diaphragm
  • Easy startup
  • No atmospheric bleed
  • Tight shutoff
  • Quiet operation
  • Modularity design
Body Sizes
  • Type FL: NPS, 1, 2, 3, 4, 6 and 8 (DN 25, 50, 80, 100, 150 and 200)
  • Type FL with Type SRS Silencer (Inlet x Outlet): NPS 1x4, 2x6, 3x10, 4x10, and 6x12 (DN 25x100, 50x150, 80x250, 100x250, and 150x300)
Main Valve End Connection Style and Pressure Ratings
  • ASME CL300 RF: 740 psig (51,0) bar(4)
  • ASME CL600 RF: 1450 psig (100) bar(4)
  • (4)At average ambient temperature
Maximum Inlet and Outlet (Casing) Pressure
1450 psig (100 bar)(4)
(4)At average ambient temperature

Minimum Operating Differential Pressure
7.3 psid (0,50 bar d)(2)
(2)7.3 psid (0,50 bar d)

Pressure Registration
External

Maximum Temperature Capabilities
-4º to 140ºF (-20º to 60ºC)(3)
(3)Types PRX and SA/2 fluorocarbon elastomer are limited to 0ºF (-18ºC)

Approximate Weights
  • 1-inch (DN 25): 68 lbs (31 kg)
  • 1 1/2-inch (DN 40): 103 lbs (47 kg)
  • 2-inch (DN 50): 132 lbs (60 kg)
  • 2 1/2-inch (DN 65): 194 lbs (88 kg)
  • 3-inch (DN 80): 326 lbs (148 kg)
  • 4-inch (DN 100): 443 lbs (201 kg)
  • 6-inch (DN 150): 1058 (480 kg)
  • 8-inch (DN 200): 1460 (662 kg)



For general enquires contact us at (+64) 9 634 1391 or by email at sales@customcontrols.co.nz

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