Part No.
DPPV pump, 1/4" female NPT gauge adapter, hose, process
Create pressure or vacuum and calibrate
instrumentation using a pressure gauge or
calibrator attached to the pump (gauge or
calibrator not included)
• Generate either 100 psi (7 bar) pressure or -25” Hg (-635 mm
Hg) vacuum with the same pump
• Unique design allows the user to convert from pressure to
vacuum by simply twisting a knob, even with gloves on
• Two outlet ports allow connection to reference pressure
gauge or pressure calibrator as well as device under test,
thus eliminating a tee
• Large volume fine adjustment piston provides precise control,
even at very low pressures
• Precisely vent pressure with soft seated bleed valve
• Made in U.S.A.
• 1/4" Female NPT gauge connection allows the user to
connect a pressure gauge directly to the hand pump
Item Includes
• Hand Pump - DPPV Assembly (DPPV)
• Gauge Adapter - 1/4" female NPT x female QT, no check-valve, brass (QTHA-2FBA)
• Hose - Quick-test hose, brass hose ends, 3 ft (92 cm) long (QTQT-HOS-3ft)
• Hose Adapter - 1/4" male NPT x male QT, no check-valve, brass (QTHA-2MB0)
Pressure Range
0 to 100 psi (0 to 7 bar)
Vacuum Range
0 to 23"Hg (0 to 584 mmHG)
Outlet Port1
Male Quick-test, brass
Outlet Port2
Male Quick-test with cap and chain, brass
Temperature Range
0 to 130 °F (-18 to 54 °C)
Anodized Aluminum, Brass, Stainless Steel
Seal Materials
Buna-N, Teflon
Fine Adjust Resolution
±0.01 psi
1.84 lb (0.8 kg)
H: 3.63 in (9.2202 cm) x W: 8.5 in (21.59 cm) x D: 3.63 in (9.2202 cm)
Ralston Instruments Inc. | ralstoninst.com | Toll Free 800-347-6575 | Phone 440-564-1430 | Fax 440-564-1480