0311T
General Installation and
Maintenance Instructions
Страница 1: ...0311T General Installation and Maintenance Instructions ...
Страница 2: ...ter yes 3800 Section VIII Air Steam Water yes 4200 Sections I VIII Air Steam yes 6400 Sections I VIII Air Steam no Not Available 1890 Section VIII Air Steam Water no 1896M Section VIII Air Steam Water no 2850 Section VIII Air Steam no 2856 Section VIII Air Steam no General Notes 1 All valves are stamped with the appropriate ASME Code V or UV stamp as noted above 2 In addition to the appropriate AS...
Страница 3: ...ich if not avoided will result in serious injury or death WARNING Indicates hazards which if not avoided could result in serious injury or death CAUTION Indicates hazards which if not avoided could result in minor or moderate injury NOTICE NOTICE is reserved for instructions given to prevent property product or environmental harm SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS indicates processes or proce...
Страница 4: ...azardous substances including gases liquids or process byproducts contained in or contaminating the valve Consult applicable material safety data sheets MSDSs and established exposure limits for the substances expected to be present to ensure proper exposure controls are implemented Failure to do so could result in serious injury or illness To ensure the valve is free to operate check the inlet an...
Страница 5: ...ied personnel using proper test equipment When performing pre installation testing please note the following Testing must only be performed using the correct test fluids Air gas and vapor service valves must be tested using air as the test fluid Liquid service valves should be tested on water and steam service valves must be tested on steam Note For pilot operated relief valves on liquid service i...
Страница 6: ...ove rust inhibitors Remove the inlet and outlet flange protectors and any extraneous packing or documentation materials inside the valve body or nozzle Test levers are provided on some valves to allow the user to manually verify that the valve trim is free to move Test levers should only be pulled when system pressure is greater than 75 of set pressure in order to avoid potential damage to the val...
Страница 7: ...ets and soft goods such as O ring seals be replaced with new parts Valve should be calibrated to the set pressure indicated on the nameplate unless a new pressure is required When the set pressure is being changed maintenance personnel must confirm if the existing spring is acceptable or if a new spring is required Testing must only be performed using the correct test fluids Air gas and vapor serv...
Страница 8: ...6 cap bonnet stem disc body blow down ring nozzle Farris Valve 2600 Series direction of flow BalanSeal Bellows Safety Valve Note Bonnet vent must be open on bellows design Figure 1 6 ...
Страница 9: ...7 cap bonnet stem disc body Farris Valve 2700 Series direction of flow ...
Страница 10: ...ris Valve 3800 Series 3800 Series Main Valve body nozzle piston cover pilot control 3800 Series Snap Acting Control discharge vent 3800 Series Modulating Control bonnet vent discharge vent direction of flow ...
Страница 11: ...ries Steam Valves Farris Valves 1890 1896 2850 2856 Series 6400 Series 4200 Series cap bonnet open lever stem disc adjusting ring body nozzle 2850 2856 Series 1890 1896M Series cap bonnet stem disc body blow down ring direction of flow ...
Страница 12: ...Centers offer quick localized testing and repair of valves or the prompt installation of new Farris ASME certified valves Mobile Repair Units Available at select FAST Centers Experienced Farris Engineering recognizes the value of having pressure relief valve experts as close to the customer as possible This is accomplished through comprehensive training offered at the factory or on site FAST Cente...
