FRI … /6 - Dungs

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FRI Installation Manual 245 663 FRI/6 SERIES Installation Instructions 2 SPECIFICATIONS FRI/6 Gas pressure regulator (lock-up type) with integrated gas filter in one housing. The FRI/6 series regulator mounts directly to the DMV series valves. It is suitable for mounting in a gas train using two flanges. Body size Flange Size Mounting Position FRI 705/6 & 707/6 1/2" - 1” NPT Upright vertical to horizontal FRI 710/6 & 712/6 1" - 2" NPT Strainer Gases 23 Mesh, installed in the housing Natural gas, Propane, Butane; Other Noncorrosive gases Filter Maximum Operating Pressure 7 PSI (500 mbar) UL, FM, CE 5 PSI (350 mbar) CSA Ambient / Fluid Temperature +5°F to +160°F; (-15°C to +70°C) Materials in contact with Gas Housing: Aluminum, Steel Sealings on valve seats: NBR-based rubber 1 Mesh
• Read these instructions carefully. • Failure to follow them and/or improper installation may cause explosion, property damage and injuries. • Installation must be done with the supervision of a licensed burner technician. • The system must meet all applicable national and local code requirements. Installation • The regulator can be mounted either upstream or downstream of the DMV/6. It can also be mounted as a stand alone regulator using two flanges and the flange mounting kit. • The main gas supply must be shut off before starting the installation. • Examine the regulator for shipping damages. • The inside of the regulator and piping must be clean and free of dirt. Recommended Procedure to Mount the FRI/6 regulator to a DMV/6 series valve. • Replace the O-ring in the groove on the side of the DMV/6 body with the oval O-ring supplied with the mounting kit. • Make sure the oval O-ring and the groove are clean and in good condition. • Install the FRI/6 regulator and DMV/6 series valve with the gas flow matching the direction indicated by the arrows on the body. • Attach the regulator to the DMV/6 series valve body using the socket cap crews supplied in the FRI/DMV mounting kit. • Use a 5mm Allen wrench for the FRI 705/6 & 707/6. • Use a 6mm Allen wrench for the FRI 710/6 & 712/6. • Tighten the screws in crisscross pattern. • Do not overtighten the screws. Follow the maximum torque values listed below. • After installation is completed perform a leak test to verify that no leakage occurs. Recommended Torque for Mounting Screws M6 M8 Screw Size 62 134 [lb-in] ATTENTION INSTALLATION • Check the ratings in the specifications to make sure that it is suitable for your application. • Never perform work if gas pressure or power is applied, or in the presence of an open flame. • Once installed, perform a complete checkout including leak testing. Recommended Procedure to Mount Flanges • Make sure the O-rings and the grooves are clean and in good condition. • Install the FRI/6 with the gas flow matching the direction indicated by the arrows on the casting. • Mount the FRI/6 vertical upright to horizontal. • Clean the mounting surface of the flanges. Make sure they are in good condition. • Attach the FRI/6 to the flanges using the appropriate M6 or M8 socket cap screws supplied. • Use a 5mm Allen wrench for the FRI 705/6 & 707/6. • Use a 6mm Allen wrench for the FRI 710/6 & 712/6. • Tighten the screws in a crisscross pattern • Do not overtighten the screws. Follow the maximum torque values below. • After installation is complete, perform a leak test. Recommended Torque Screws M6 M8 Screw Size 62 134 [lb-in] CAUTION: If the flow is not in the same direction of the arrows the regulator will not operate properly. Recommended Piping Procedure • Use new, properly reamed and threaded pipe free of chips. • Apply good quality pipe sealant, putting a moderate amount on the male threads only. If pipe sealant lodges on the regulator seat, it will prevent proper operation. If using LP gas, use pipe sealant rated for use with LP gas. 3
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FRI … /6 - Dungs

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