CONTROL VALVES - NORRISEAL

SERIES 4900 PNEUMATIC PRESSURE CONTROLLER

Series 4900 pneumatic pressure controllers combine reliable, low-emission operation with service-enhanced design. Provides control in proportional-only, proportional plus integral (reset), differential gap or transmitter modes.

• Flush-mounted internals and open design allow easy access and repair 
• Removable door
• Easy, field-reversible action
• Reduced leak paths minimize bleeding of valuable gases
• NACE MR0175-2002 compliance with optional diaphragm seals to isolate sensing element
  

PNEUMATIC PRESSURE CONTROLLER

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