Pressure Calibration Volume Controllers
QTVC (3000 psi / 210 bar)
Specifications
QTVC connection type
Maximum pressure
National Pipe Thread (NPT)
British Parallel Thread (BSPP)*
3000 psi (210 bar)
3000 psi (210 bar)
Pressure media
Compressed nitrogen
Compressed nitrogen
Fine adjust resolution
Mechanical rotation
Operating temperature range
Reference connection (brass)
Inlet, gauge ports (brass)
Outlet ports (brass)
0.0005 psi (0.035 mbar)
0.0005 psi (0.035 mbar)
42 turn (pressure balanced)
0º to 130ºF (-18º to 56º C)
42 turn (pressure balanced)
0º to 130ºF (-18º to 56º C)
See below
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™
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™
Quick-test hose 1 (brass ends)
Quick-test hose 2 (brass ends)
Process connection (brass)
Construction
Seal material
Weight
3.7 lb (2.5 kg), with stand 6.2 lb (2.8 kg)
3.7 lb (2.5 kg), with stand 6.2 lb (2.8 kg)
Ordering Information
QTVC volume controllers with NPT connections
Model
Description
1/8”male NPT gauge adapter (QTHA-1MBA), 2 hoses, 2 process connections
QTVC-1MBA-6’-3’
QTVC-2MBA-6’-3’
QTVC-2FBA-6’-3’
QTVC-0000-0-0
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
Description
QTVC-2FBA-RG-2m-1m
QTVC-3FBA-RG-2m-1m
QTVC-4FBA-RG-2m-1m
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.
Ralston Instruments, LLC
www.ralstoninst.com
1.800.347.6575
