Your cart is empty.



   
 

   

 

Ralston Pressure Calibration Volume Controllers

<< Previous in Field Calibrators Next in Field Calibrators >>

Price: From $1,316.00 to $1,443.50
Manufacturer: RALSTON
Mfr. Part Number: QTVC series

Choose Your Model

Pressure Calibration Volume Controllers
Perform both ultra-precise low pressure differential or high pressure static pressure calibrations with nitrogen using the same device.
 
Features:
  • Proprietary pressure balanced find adjustment piston allows for extremely precise, finger tip control of pressure at 0.03 psi or 3000psi or any range in between.
  • Fine adjust piston, fill, balance and vent valves are in one light weight, compact unit
  • Includes handle, Quick-test system outlet connections, hoses and adapters
  • Low volume Quick-test hose, gauge adapter and process connection can be attached to QTVC without thread sealant or a wrench
  • Soft-seated valves make filling and venting the system very precise
  • Optional stand for laboratory or table top use (QTVC-LKIT)
  • Optional padded strap for field use (NPAK-STRIP)
  • Made in the USA
QTVC Connection type: National Pipe Thread
Maximum pressure: 3000psi
Pressure media: Compressed Nitrogen
Fine adjust resolution: +-0.0005psi
Mechanical rotation: 42 turn (pressure balanced)
Operating temperature range: 0 degrees to 130 degrees F
Inlet gauge ports: Male Quick-test port
Outlet ports: (2) Male Quick-test port with cap and chain (QTFT-5SBO)
Quick test hose 1: 6ft long (QTQT-HOS-6')
Quick-test hose 2: 3ft long (QTQT-HOS-3')
Process connection: (2) 1/4" male NPT (QTHA-2MBO)
Construction: Aluminum, brass, plated steel, stainless steel
Seal Material: Buna-N, Teflon, Delrin