SKU 16391 Category Three-Stage Regulators Series Nitrogen

16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator, 0.5 PSIG

The 16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator, 0.5 PSIG is a preset three-stage regulator specially designed to deliver a highly accurate and consistent low-pressure supply of nitrogen to oil-filled power transformers.

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16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator, 0.5 PSIG

SKU 16391 Category Three-Stage Regulators Application Nitrogen

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About this product

The regulator will deliver and maintain 0.50 PSIG in the headspace of oil-filled transformers. A built-in self-relieving valve set at 8 PSIG protects the system from over-pressurization due to temperature variation.

The 16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator, 0.5 PSIG comes with a rapid-fill bypass pressure valve allowing the rapid filling of the transformer with 6 PSIG of pressure.

Notes:

Operation temperature: -40° to +180° Fahrenheit.
Operation voltage (model 16347-3): 5 amps at 12/24 volts DC or 125 volts AC. 3 amps at 250 volts.
Pressure switch setting: Adjustable from 70–300 PSIG (ships preset at 250 PSIG), 3/32-inch Allen head screw switch.
Switch wiring: Normally open or normally closed (DPDT), three 18-inch flying leads.

Information Chart for the 16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator

Stock Number	Preset Outlet Pressure 1st Stage	Preset Outlet Pressure 2nd Stage	Preset Outlet Pressure 3rd Stage	Bypass Rapid Fill / Purge	Inlet Connection	Outlet Connection	Max Inlet Pressure
16391	150 PSIG into 2nd stage	8 PSIG into 3rd stage	0.4–0.6 PSIG into outlet	6 PSIG	CGA580	1/2" FNPT	3000 PSIG

Stock Number 16391
Preset Outlet Pressure 1st Stage	150 PSIG into 2nd stage
Preset Outlet Pressure 2nd Stage	8 PSIG into 3rd stage
Preset Outlet Pressure 3rd Stage	0.4–0.6 PSIG into outlet
Bypass Rapid Fill/ Purge	6 PSIG
Inlet Connection	CGA580
Outlet Connection	1/2" FNPT
Max Inlet Pressure	3000 PSIG

16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator Construction Features

These regulators have seven key features, which are:

Resin bonnet insert

Allows smooth, easy adjustment even at high-pressure levels.

Stainless steel diaphragm

Resists corrosion, leaking, and freeze-up if used with liquid (cryogenic) gases for extended service life. Note: Series 30 has a neoprene composite diaphragm.

Color-coded labels

Supply performance capabilities, easy gas service identification and technical information.

External relief valve

Protects regulator from damage due to inadvertent high-pressure surge. The relief valve will release excessive pressure and automatically reset.

Nickel-plated bonnet

Along with brass body protect against corrosion.

Shatter-resistant gauge lenses

2.5-inch corrosion-resistant polished brass gauges with shatter-resistant polycarbonate lenses. Note: Series 30 has 2-inch painted steel gauges.

Dual filters including Sure Seat™

Protect high-pressure seats from debris for reliable operation and long service life.

Warranty

3 Years Miller®’s Gas Equipment and Gas Control Warranty

About the 16391 Three-Stage Nitrogen Low-Pressure Blanketing Regulator

See here the complete line of Oxy-Fuel Regulators, Three Stage Regulators.

Download here the warranty policy for all Oxy-Fuel and Pressure Regulation Equipment from Miller® | Smith Equipment®.

This product is manufactured by Miller® | Smith Equipment®. Ifexport is the Preferred International Authorized Miller® | Smith Equipment® Wholesaler.