What is a Pol connector on a gas tank?
What is a pol connector? A POL gas fitting (POL fitting) is an LPG gas connection fitting typically used on LPG (propane) gas cylinders. POL fittings can be found on larger size home gas bottles, as well as on BBQ gas bottles. POL is the acronym for the company that first made the valve fittings - Prest-O-Lite.
What is the size of a PolPol connector?
POL is the common name for the standard CGA 510 (US Compressed Gas Association connection number). The Thread specification is .885" – 14 NGO – LH – INT, meaning 0.885 in (22.5 mm) diameter thread, 14 threads per inch (1.814 mm pitch ), National Gas Outlet form, left-hand internal thread.
Where do you connect PolPol fittings?
POL fittings are commonly found on the tank ends of POL Pigtail Hoses and Supply Hoses. Pigtail hoses connect the propane tank to the regulator and auxiliary hoses connect an extra propane tank into a propane tee to supplement a camper's propane system.
What does Pol mean in propane fittings?
POL Fitting. POL is the acronym for the company that first made the valves - Prest-O-Lite. These are used on LPG - Propane cylinders. At one time POL fittings were used in many countries, uncluding the USA, but have faded in popularity. Now Australia is the most notable POL valve user.
What does a POL valve do?
POL valves allow the release of gas without anything connected to it. POL valves are the oldest standard for propane tank connections, and newer types are more widely used.
How does a pol fitting work?
The POL fitting is one of the oldest types of fittings. Because the POL valve's threads are on the inside of the connector, this type of valve requires a wrench to tighten it. For transporting or storing the propane tank, a plug is screwed into the valve.
What does Pol stand for on a propane tank?
P.O.L is actually and abbreviation for Prest-O-Lite, for the company that first produced the valve. This style of connector you will tighten the connector of the regulator pigtail by turning the fitting counter-clockwise, and you usually need to use a wrench to make the connection tight enough to prevent leaks.Feb 13, 2016
What is Pol hose?
UL / CSA approved Type 1 propane hose assembly with POL (no excess flow) x POL (no excess flow) fittings. Used to conduct natural gas in a gaseous state and propane in either a liquid or gaseous state up to 350 PSI. Call for lead times.
What is the difference between an OPD valve and a POL valve?
Yes, you can still use POL (left hand thread) fittings. The OPD valve has inside POL threads, as well as, the outside threads for the new ACME connections. Also, the valve has a push valve which will not allow any propane out unless a connection is made.
What size is Pol?
POL is the common name for the standard CGA 510 (US Compressed Gas Association connection number). The Thread specification is . 885" – 14 NGO – LH – INT, meaning 0.885 in (22.5 mm) diameter thread, 14 threads per inch (1.814 mm pitch), National Gas Outlet form, left-hand internal thread.
What size is POL gas fitting?
4kg to 9kg cylindersThe POL fitting (derived from the manufacturing company, Prest-O-Lite), is found on larger 4kg to 9kg cylinders. This is a female fitting and points out sideways from the bottle.Sep 10, 2021
What size is a Pol O ring?
Product SpecificationsEan0730051003490MaterialRubberNominal Inside Diameter8.8 mm. millimetersNominal Outside Diameter14.00 millimetersTemperature Range- 22 +250 degrees_fahrenheit3 more rows
What are the different types of propane fittings?
Types OF RV Propane FittingsPOL Fittings.Type 1 (ACME) Fittings.Inverted Flare Fittings.NPT Fittings.Flare Fittings.Quick-Disconnect Fittings.1"-20 (Disposable Cylinder Port) Fittings.Mar 18, 2022
What is a soft nose pol?
Description. Soft Nose Propane POL, also known as a CGA510 fitting, is great for connecting your integral of first stage regulator to your 100 lb or larger tank. This fitting is “free flow” and is equipped with an o-ring. For replacement o-rings, click here. INLET – POL.
Are propane and natural gas fittings the same?
For the home, you will find appliances that work on either natural gas or propane. The two are not interchangeable; each fuel source requires special gas utilization fittings. If you want to switch between the two, you'll need a conversion kit for the appliances' manufacturer for the installation process.
What is a 10% POL valve?
Cylinder Multi-Valve is a 10% valve, indicating a full tank through its bleeder valve when the tank is filled with 100 lbs. propane gas, allowing ample room for liquid expansion in warm weather.
What is a POL valve?
POL valve. A POL valve (originally for Prest-O-Lite) is a gas connection fitting used on Liquefied petroleum gas (LPG) cylinders. The oldest standard for such connections, it was developed by the Prest-O-Lite company, hence the name. It is still the most common such fitting in some countries such as Australia.
What is a hexagon nut?
The hexagon nut required a spanner to achieve sufficient pressure to obtain a gas tight seal. The notched hexagon nut denotes it is a left-hand thread.
The Breakdown
No matter where you stand on the propane vs. charcoal debate, the fact remains that gas grills are extremely popular with outdoor enthusiasts. In fact, propane tanks have been used since the 1920s. Because of their long history, propane tank connections have gone through updates and safety revisions.
POL Valve
The POL valve is the oldest. The threads on this propane valve are on the inside of the connector and needs a wrench to be tightened. A plug is screwed into the propane valve for transporting or storing the tank. POL valves allow the release of gas without anything connected to it.
Acme Valve
The next refinement of propane tank connections comes in the Acme valve. Acme valves differ from POL valves in its size and use of external threads. Easier to use, Acme valves can be tightened by hand. Acme propane valves are compatible with appliances that use POL valves as well.
OPD Valve
The current type of valve being used is the Overfill Prevention Device (OPD) valve. Similar in appearance to the Acme valve, an identifying mark of the OPD propane valve is its triangle-shaped hand wheel. OPD valves have an internal float to prevent overfilling. Propane tanks made today will have OPD valves.
Container types
The main containers of liquefied petroleum gas, propane and butane are automotive tanks, disposable cylinders, permanent tanks and portable cylinders.
Connector types and standards
The list of standards shows one applicable standard for each connector type listed in the table below. A single applicable standard has been chosen in case multiple versions of the same standard have been published, for example a German and a European version.
Standards in use per country
The list of standards in use per country shows per country for each application which connectors are use. In some countries multiple connectors are used for the same application.
Where is the female POL fitting?
The female POL Type 1 fitting resides on the propane tank, while the male POL fitting is found on the pigtail hose that connects the tank to the regulator. If you plan on connecting an accessory or external propane tank, you may also use a tee fitting with Type 1 connections. Pictured above: Male Type 1 Fitting Pictured above: Female Type 1 fitting ...
What is NPT fitting?
NPT (National Pipe Thread) Fittings. Commonly found on: Regulators / hoses that connect to regulators. Their job: Female NPT fittings are found on regulators, while male NPT fittings are found on the pigtail and supply hoses that are inserted into the regulator.
What type of hose do dot tanks use?
DOT tanks use a pigtail hose instead of an adapter, and the RVIA (Recreational Vehicle Industry Association) requires these pigtails use Type 1 fittings to connect to the RV regulator. (You can read more about Type 1 fittings in the next section, but basically, the Type 1 fittings run on the outside of the tank valve, ...
What is the port on a propane grill?
Their job: Some propane accessories like grills or fire pits come with a 1"-20 (or disposable cylinder) port and connect to smaller, throwaway propane cylinders. The male connectors are found on the throwaway propane cylinder end, while the female connectors are found on the accessory end.
What is a type 1 tee fitting?
Tee fittings and adapters. Their job: Type 1 fittings (also called ACME fittings) are usually found on modern DOT tanks. Many DOT tanks still have POL threads on the inside tank valves, but most now include Type 1 threads on the outside of the valves, too.
Do propane fittings come in more than one size?
RV propane fittings have both male and female ends, and sometimes the fittings come in more than one size. So yes, there are a lot of potential combinations. However, one easy way to narrow down what you need is to ask two questions: 1.
Can you use a DOT tank with a POL fitting?
The one time you might use a DOT tank's POL fitting is when you're connecting an auxiliary tank to your RV . In this case, you can use a hose with a POL fitting to run between the propane tank and your T-fitting. Also note that POL fittings feature left-hand threads!
