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The 3000 Series Check Valves are designed to provide protection in liquid, gas, or vapor services where flow is required in one direction.All designs are non-slam and have high flow capacity.The cracking pressure rates are preset by the factory.
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Basic options are carbon steel bodies.There are other materials available.
There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
The 3200 Series Back Pressure Check Valves are designed to provide protection in liquid, gas or vapor service where flow is required in one direction.It is ideal for use in tank filling operations.The 3200 Series is designed to be easy to insert.With the addition of a soft seat, this valve can be used as a vacuum breaker or low-pressure relief device.There is a choice of carbon or stainless steel.There are other materials available.The cracking pressure rates are preset by the factory.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
3220 Series Back Pressure Check Valves are designed to provide protection in liquid, gas or vapor service where flow is required in one direction only into the vessel.End-to-end connections are required in the 3220 Series.With the addition of a soft seat, this valve can be used as a vacuum breaker or low-pressure relief device.Available in both steels.There are other materials available.The cracking pressure rates are preset by the factory.
The dimensions are listed.Changes to the data can be accommodated.L6 Inc. d/b/a Total Valve Systems is the sole owner of this page.
The 3400 Series Excess Flow Valves are designed to protect the LPG service with a specific weight.The 3400 Series has been designed to meet specific requirements.The requirements are listed in the data.The internal parts of the valves are made of steel.
Product Specification Sheet and Technical Information Inquiry Form can be downloaded.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
When the desired cracking pressure is reached, the check valves allow flow through.Various sizes are used in laboratories.
There is an external adjustment for changing the cracking pressure.External adjustments can be made by turning a threaded member through the valve, which causes a retainer to move inside the chamber.The threshold cracking pressure can be set.
Available in both steels.There are other materials that can be requested.The internal components are made of steel.Softseats and actuators are optional accessories.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
3230 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for bulk storage tanks where flow is desired in only one direction.There are male and female NPT connections on the inlet side.The valves can be used as a low-pressure relief device.The cracking pressure rates are preset by the factory.
Product Specification Sheet and Technical Information Inquiry Form can be downloaded.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
3240 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for bulk storage tanks where flow is desired in only one direction.There are male and female NPT connections on the inlet side.The valves can be used as a low-pressure relief device.The cracking pressure rates are preset by the factory.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
3250 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for bulk storage tanks where flow is desired in only one direction.There are female NPT connections on the inlet side of the 3250 Series.The valves can be used as a low-pressure relief device.
Basic options are carbon steel bodies.There are other materials available.There are different pressure classes available.The dimensions are listed in inches.Standard design dimensions are shown.The dimensions provided above are for reference only.The dimensions are subject to change without notice.
3260 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for bulk storage tanks where flow is desired in only one direction.There are male and female NPT connections on the inlet side.The valves can be used as a low-pressure relief device.
The dimensions are listed.Changes to the data can be accommodated.L6 Inc. d/b/a Total Valve Systems is the sole owner of this page.
Vent Valve Model 4915 can be used for a variety of purposes.The valves are easy to insert between the flanges.2 ounces is the minimum for both vacuum and pressure.
Model 4925 is a pressure or vacuum vent valve.The minimum pressure and vacuum settings are 2 ounces.