Product details:

Typical applications include high pressure testing, charging accumulators and pressurizing aircraft struts. Models for inert gas and air are self-relieving for safety. Features: One piece encapsulated valve design with PCTFE seats and an internal filter Ergonomic knob for improved grip 1/4 NPT outlet with stainless steel 1/4 tube fitting 2 1/2 dual scale gauges (psi/bar) Conforms to CGA E-4 standard for gas pressure regulators Part Number - Model NumberCapacityStageGaugesGasInletOutletCertifications 3200327 8700-4500-680 High Pressure/Low Volume Single 2.5" Brass Argon - Helium Nitrogen CGA 680 1/4 SS TUBE FITTING UL; CGA E-4 Part Number - Max Inlet Pressure - Supply Pressure GaugeHeightWidthWeightPressureCv 3200327 5500 PSIG 0-4500 PSIG 6000 PSIG 6000 PSIG 5.01" 6.98" 5.8 lbs 3.13 PSIG/100 PSIG 0.08 Cv.