Lp gas regulators pdf

Propane gas cylinders and valves must be maintained in good condition and must be replaced if there is visible damage to either the cylinder or valve. Servicemans manual, the industrys original and most used lpgas servicemans manual. February 2010 types 912h, 912n, y200h, y200n, and r922n. In many of the valves, the pressure required to open the valve exceeded the set pressure. Propane tank regulators choose wisely, size matters. Interchangeable orifices and springs provide a wide range f outlet pressures and flow rates. Click on an image, section title or page range to view pdf document. The regulator controls the flow of gas in an lp gas line by reducing the pressure from the storage container to the gas line and eventually the appliance the gas line is serving.

See fisher bulletin lp32 and the instruction manual for. A word of caution one size does not fit all applications. They act as a safety barrier between the high pressure of the tank and the appliances and also act as a control mechanism for the flow and distribution of the propane gas. The propane gas regulator is one of the most important parts of a propane gas system. Pressure reducing and backpressure regulators, automatic recirculation valves arc, steam traps, pad depad valves, and relief valves for natural gas, process liquids, steam, and liquid propane. Factory installation of an air cylinder or manual operating handle with. Contact the factory if the regulator is to be used on any service other than lpgas, natural gas, or air. Valves over 10 years were removed from service and tested to determine at what pressure the valves discharged. Ul 144 standard for lpgas regulators standards catalog. It does not matter if you have a large propane tank or a small 5 gallon propane cylinder, almost all applications require a pressure regulator. The basic regulator version doesnt have a relief so it should always be used with a downstream regulator andor separate relief devices in compliance with nfpa 58. Lp gas regulator safety lp gas regulator installation.

Oftentimes, the regulator receives minimal, if any, attention from the owner. Proper purging of lp gas containers the importance of purging a very important step which must not be overlooked by lp gas distributors is the importance of properly purging new lp gas containers. The purpose of the regulator is to control the flow of gas and lower the pressure from the lp gas tank to the appliances in the gas system. These regulators have limitedcapacity internal relief across the diaphragm to help minimize overpressure. Propane regulators control gas flow and lower the pressure from the tank to the appliances in the gas system. It has developed many innovative solutions over the years and is now recognize as a worldwide market leader in the field with strong brand recognition. Rego, cavagna, precimex, and marshall propane regulators. For example, a lab may have gas cylinders located in a room on the first floor. The fisher 64 series highpressure poundstopounds lpgas regulators are usually used to reduce tank pressure to pressure to an intermediate pressure for use by another regulator. In order to properly size the storage container, regulator, and piping. This edition of nfpa 58 was approved as an american national standard on april 2, 1998. It provides key data and answers important questions that are relevant to management and field servicemen in the lpgas industry. When equipped with an internal relief valve 64sr series, the regulator may be used as a finalstage regulator on highpressure systems. Propane hose and regulator hose fittings propane warehouse.

There are a number of different high pressure regulators available. Streamline regulators and vaporizers are available in a range of sizes and types to cover most propane and natural gas fuel control requirements. Pressure regulators for use with industrial compressed gas cylinders. The constant heating and cooling of the lp liquid in the storage container means that the pressure within the. The gas may be piped up to instruments located in a lab on the second floor. The myfire puck an important addition to the gv60symax southfield, michigan, july 23, 2019 the myfire puck is. Tests have been conducted on small lpgas relief valves of all the u. Propane regulators by cavagna, precimex, fisher, and marshall. Certified lppropane line pressure regulator guidebook. It also serves as a safety barrier between the heating element and the highpressure propane tank.

Proper purging of lpgas containers the importance of purging a very important step which must not be overlooked by lpgas distributors is the importance of properly purging new lpgas containers. Specifications the specifications table lists the specifications for the regulators. Maxitrols 325 series regulators are also certified ansi z21. Type number, orifice size, spring range, and date of manufacture. Cavagna group founded in 1949 in one of the forerunners of the lp gas equipment industry and the historical pioneer of lpg state of the art technology since its foundation. Learn more about how pressure regulators operate and total pressure management solutions by emerson. In 1940, several standards were combined and adopted as nfpa 58. These rubber seat poppet type regulators are designed primarily for main burner and pilot load applications where precise control of tiny flows is an essential operating requirement. Lp gas equipment distributors and fabricators for the propane industry. The integral twostage regulator, or twin, however, has additional installation requirements not found in systems with separate first and second stage regulators. Cavagna kosan, fisher, camco, precimex, and marshall propane regulators. Line regulators are single stage regulators that are used to provide pointofuse pressure monitoring and control. Contact the factory if the regulators are to be used on any service other than lpgas, natural gas, or air.

Body size and end connection styles 34, 1, and 114 npt. Designed for use as a manual valve or vapor equalizing valve on. In the next 8 years, separate standards covering various lp gas applications were adopted. This product should be installed by a licensed gas fitter. In other words, a first stage regulator cant be installed independently in an lp gas system. Maxitrol rv47cl12 1 2 poppet style gas regulator 125,000 btu note. High pressure regulators regulate the output pressure from 1 psi to as high as 60 psi. Preset or adjustable pressure regulators eleven inches water column is the norm, but some applications require psi input available from adjustable regulators. The first stage regulator will compensate for differing tank pressures and will deliver into the gas line at a pressure of 10 pounds or less. Application guide for natural gas pressure regulators. The fisher 912 series lpgas pressure regulators are designed for use on small portable outdoor appliances.

There must be a second stage regulator installed as well. Inspecting lpgas regulators introduction lp gas regulators are very durable pieces of equipment that are able to automatically supply gas, year in and year out, and thus its easy to take the regulator for granted. The regulator vent must be pointed down andor installed under protective cover. How to tell the differences in propane regulators ehow. Certified lppropane line pressure regulator guidebook maxitrol. Contact your local building code official for specific requirements in your area. The following information is located on the spring case. An lp gas regulator or propane gas regulator is the part of your grill that controls the flow of gas from the propane tank to the heating appliance. Pressure regulators are the heart of an y lpgas vapor service system. High and low pressure propane gas regulator for propane tank regulation.

The regulator not only acts as a control regarding the flow and distribution of propane but also as a safety. Lpgas servicemans handbook the fisher controls lpgas servicemans handbook serves as a general reference of information on lpgas and for the installation, operation and maintenance of lpgas equipment. Search in fisher regulators catalogs and technical brochures on directindustry and find the information you need in 1 click. They are directoperated, spring loaded regulators that can be used in a variety of firststage service and industrial applications. Streamline mixers are a simple, airvalve design that draws fuel into the mixer consistently across the engine operating range, from cranking to full load. Attention to this important procedure will promote customer satisfaction and greatly reduce service calls on new installations. We are the largest distributor of elster american meter gas pressure regulators in the united states. The lp gas regulator is a critical part of an lp gas system. Tables 1 to 3 list the specifications for these regulators. Fisher 64 series highpressure lpgas regulators flow. Origin and development of nfpa 58 this first nfpa standard on lp gas was adopted in 1932. Cavagna group gas regulators for residential and commercial installations. The need for regulators proper piping pressure testing leak checks safety considerations the guidelines in this publication are general in nature and are not intended replace local and state building and fire codes. They may be used as highpressure regulators on distribution systems when used in conjunction with firststage downstream regulators.