Ralston Instruments, Inc. DV0V (25"Hg / 650 mm Hg Vac) pump, no gauge adapter, with 3ft hose, 1/4" MNPT process conn. DV0V-0000

DV0V-0000 DV0V (25"Hg / 650 mm Hg Vac) pump, no gauge adapter, with 3ft hose, 1/4" MNPT process conn. Generate vacuum to calibrate vacuum devices in the field Light weight, compact pump generates -25� Hg vacuum with ease Large volume fine adjustment piston provides precise control, even at very low vacuums Modular design makes field maintenance quick and easy Precisely vent pressure with soft seated bleed valve Two outlet ports provide connections for both pressure reference and for device under test thus eliminating a tee Low volume Quick-test hose, gauge adapter and process connection can be attached to pump without thread sealant or a wrench Rugged, all metal construction reduces pressure changes due to temperature fluctuations Made in U.S.A. Item Includes Hand Pump - DV0V Assembly (DV0V) Hose - Quick-test 6900 psi hose, brass hose ends, 3 ft (92 cm) long (QTQT-HOS-3ft) Hose Adapter - 1/4" male NPT x male Quick-test, no check-valve, brass (QTHA-2MB0)