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Products Valves STERIFLOW Back Pressure Regulator Valves Back Pressure Regulator Valves Food and Beverage Back Pressure Reducing Valve MK508
Back Pressure Reducing Valve MK508


Product description

The Mark 508 Series works in conjunction with the Mark 608 in a low pressure tank blanketing valve system. The Mark 508 can be used to vent gas from the tank to prevent the blanketing pressure from rising to a level that could damage the tank while maintaining a small constant flow to keep the blanket fresh. The Mark 508 will also work well in any other type of low back pressure application.


Back Pressure Reducing Valve MK508

Size
  • 3/4" (DN20), 1" (DN25), 1-1/4" (DN32)
End Connections
  • Threaded – NPT, SWE, BSPT, BSPP
  • Flanged – 150#, 300#, PN16, PN40
Materials
  • Body & Housing: Carbon Steel (A216, WCB), Stainless Steel (A351/CF8M)
  • Seat: Stainless Steel
  • Plug: Stainless Steel and Viton
  • Diaphragm: Viton
  • Aspirator Tube: Delrin/optional PTFE
  • Actuator Cases: matches body material
  • Actuator Diaphragm: Viton for CS and SS  bodies
Temperature Range
  • -20°F (-29°C) to 200°F (93°C)
Maximum Inlet Pressure
  • 150 psi (10 bar)
Ranges

• 2.0 to 6 inches w.c. (5,0 to 15,0 mbar)

• 3.0 to 11 inches w.c. (7,5 to 27,4 mbar)

• 5.0 to 35 inches w.c. (12,4 to 87 mbar)

Shutoff
  • ANSI Class VI
Service
  • air or gas
Features and Benefits
  • Body rating up to 150 psi (10.3 bar)
  • Rugged, heavy-duty design – Emergency outlet pressure may reach 100% of inlet pressure without damaging valve
  • 360° body orientation – Valve can be installed in any position and easily repositioned while in-line (3/4” – 1-1/4”)
  • Easy maintenance – Seat and plug can be inspected without removing body from the line (3/4” – 1-1/4”)
  • Completely self-operated – No external power source required
  • Tight shutoff – Soft elastomer plug provides ANSI Class VI shutoff

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