Pressure Calibration Volume Controllers
QTVC (3000 psi / 210 bar)
Specifications
QTVC connection type
Maximum pressure
Pressure media
Fine adjust resolution
Mechanical rotation
Operating temperature range
Reference connection (brass)
Inlet, gauge ports (brass)
Outlet ports (brass)
Quick-test hose 1 (brass ends)
Quick-test hose 2 (brass ends)
Process connection (brass)
Construction
Seal material
Weight
National Pipe Thread (NPT)
3000 psi (210 bar)
Compressed nitrogen
± 0.0005 psi (0.035 mbar)
42 turn (pressure balanced)
0º to 130ºF (-18º to 56º C)
See below
Male Quick-test port (QTHA-5SB0)
(2) Male Quick-test port with cap and chain (QTFT-5SB0)
6 ft (183 cm) long (QTQT-HOS-6’)
3 ft (92 cm) long (QTQT-HOS-3’)
(2) 1/4” male NPT (QTHA-2MB0)
Aluminum, brass, plated steel, stainless steel
Buna-N, Teflon™, Delrin™
3.7 lb (2.5 kg), with stand 6.2 lb (2.8 kg)
British Parallel Thread (BSPP)*
3000 psi (210 bar)
Compressed nitrogen
± 0.0005 psi (0.035 mbar)
42 turn (pressure balanced)
0º to 130ºF (-18º to 56º C)
See below
Male Quick-test port (QTHA-5SB0)
(2) Male Quick-test port with cap and chain (QTFT-5SB0)
2 m (6.6 ft) long (QTQT-HOS-2m)
1 m (3.3 ft) long (QTQT-HOS-1m)
(2) 1/4” female BSPP (QTHA-2FB0-RG)
Aluminum, brass, plated steel, stainless steel
Buna-N, Teflon™, Delrin™
3.7 lb (2.5 kg), with stand 6.2 lb (2.8 kg)
Ordering Information
QTVC volume controllers with NPT connections
Model
QTVC-1MBA-6’-3’
QTVC-2MBA-6’-3’
QTVC-2FBA-6’-3’
QTVC-0000-0-0
Description
1/8” male NPT gauge adapter (QTHA-1MBA), 2 hoses, 2 process connections
1/4” male NPT gauge adapter (QTHA-2MBA), 2 hoses, 2 process connections
1/4” female NPT gauge adapter (QTHA-2FBA), 2 hoses, 2 process connections
QTVC only, no gauge connection, no hoses, no process connections
QTVC volume controllers with BSPP connections*
Model
QTVC-2FBA-RG-2m-1m
QTVC-3FBA-RG-2m-1m
QTVC-4FBA-RG-2m-1m
Description
1/4” female BSPP gauge adapter (QTHA-2FBA-RG), 2 hoses, 2 process connections
3/8” female BSPP gauge adapter (QTHA-3FBA-RG) , 2 hoses, 2 process connections
1/2” female BSPP gauge adapter (QTHA-4FBA-RG), 2 hoses, 2 process connections
Add -FKIT
Add -LKIT
Field calibration kit - includes padded shoulder strap, metal hardware
QTVC Laboratory kit - includes non-skid stand, bulkhead male Quick-test port
* Not for sale in North American market
For accessories, repair kits and hoses see page 17. For a complete list of accessories and parts see product manual or detailed specification sheet.
For a list of the most commonly used gauge and process connections see page 18. For a complete list refer to Ralston Instruments
Pressure
Connection
catalog. Contact your Ralston Instruments dealer or the factory for information on reference gauges and pressure calibration kits.
R al ston I ns truments, LLC
w w w. ral sto nins t.com
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RALSTON [ RALSTON INSTRUMENTS. ]
