2 ton oil fired steam boiler Agent 4bar equipments

  • Boiler Valves - Davis Valve

    When you have a customer with a boiler down, you can count on Davis to have the boiler stop check you need. Davis Valve has the largest inventory of stop checks in the USA ready for shipment. We stock both 250# A-126B cast iron and 300# WCB steel. All of our stop check valves comply with the applicable requirements of Section 1, Power Boilers, ASME Boiler and Pressure Vessel Code.Learn More

  • Learn About Steam | Safety Valves | Spirax Sarco

    Safety valves should be installed wherever the maximum allowable working pressure (MAWP) of a system or pressure-containing vessel is likely to be exceeded. In steam systems, safety valves are typically used for boiler overpressure protection and other applications such as downstream of pressure reducing controls.Learn More


    4 LP- 205 REV. 5.24.19 Code for the Installation of Heat Producing Appliances (latest version), from American Insurance Association, 85 John Street, New York, NY 11038. The latest version of the National Electrical Code, NFPA No. 70. NOTE: The gas manifold and controls met safe lighting and other performance criteria when the boiler underwent tests specified inLearn More

  • Outdoor Wood Furnace Cleaner, Treatment and Test Kit

    A200 Alternative Heating Boiler Treatment. CF205 System Cleaner & Flush For Outdoor Wood Boilers. Test Kit For A-200 Wood Boiler Treatment. Kit Price: $64.85. (You save: $12.09) Add to Cart. Add to WishList Add to Compare. Skip to the end of the images gallery. Skip …Learn More

  • Figure 30E Iron Body Stop Check Valve Class 250 Y-Pattern

    Angle valves are for "hori-zontal-downward" or "upward-horizontal" flow. • These valves will perform the four follow-ing important functions: 1. Act as an automatic-non return valve applied as a containment device to pre-vent gross backflow of steam from main header to boiler in case the boiler fails. 2. Assist in cutting out boiler, when Learn More


    GAS FIRED COMMERCIAL COPPER BOILERS Instruction Manual PRINTED 1115 321078-004 Thank you for buying this energy efficient boiler. We appreciate your confidence in our products. MODELS: HW 300, 399, 420, 520, 670 FOR HYDRONIC HEATING AND HOT WATER SUPPLY UP - FLOW MODELS INSTALLATION - OPERATION MAINTENANCE - LIMITED WARRANTY INDOOR ONLYLearn More

  • Cast Steel Flex Wedge Gate Valves for Boiler Applications

    Gate Valves for Boiler Applications Pressure Classes 150/300/600. 2 Cast steel flex wedge gate valves for boiler applications. Body materials include A216-WCB and A217-WC9. Seating surfaces are Stellite. The major components and assemblies for the valves listed in this catalog are globally sourced. The valvesLearn More

  • 6" 300# Davis Angle Pattern Stop Check Valve | Products

    WARE's boiler equipment is from the top manufacturers in the industry for both industrial and commercial applications that's guaranteed to give you reliable performance and unmatched savings. 6" 300# Davis Angle Pattern Stop Check Valve $8004.62. SKU: 30ASC 6 …Learn More

  • TK30PV125PNKP - Resideo TK30PV125PNKP - NK300S Boiler Trim

    Resideo TK30PV125PNKP - NK300S Boiler Trim Kit w/ Check Valve, 1-1/4" Press Air Eliminator, Press Boiler Feed & 4.4 Gal. Expansion Tank - Rather than taking the time to locate and purchase the pieces separately, the boiler trim kit gives you all the accessories needed for a boiler installation. Each kit includes an Expansion Tank, a Boiler Feed Combination Valve, a SuperVent Air Eliminator or Learn More

  • HVAC Gas Valves for Boilers & Heaters

    $200 - $300 (38) $300 - $400 (20) $400 - $500 (19) $500 - $1000 (8) $1000 - $2000 (1) Air Conditioning Controls. Combustion. Fan Controls. Gas Ignition & Pilots. Diaphragm Gas Valves For Boilers And Heaters Are Used For Use With Atmospheric Boilers, Commercial Water Heaters And Rooftop Heaters. Diaphragm Gas Valves For Boilers And Heaters Learn More

  • Everlasting Quick Opening Blow Off Valves 300 lb. In Stock

    Everlasting Valves were developed for steam boiler blow down Blow Off Valves nearly 100 years ago for abrasive solids. The packaged steam boiler industry has standardized on the everlasting valve rotating flat disc boiler blow off valve. This boiler blow down valve is available in quick opening, slow opening straight and angle configurations.Learn More

  • Non-Return Valves for Boilers - Boiler Blog | Nationwide

    Non-Return Valves for Boilers - Boiler Blog | Nationwide Learn More

  • (PDF) BOILER ROOM GUIDE Reference Guide | subhash chandra

    Add the chemicals in solution through the manway, or through the upper drum vent valve, or through the chemical feed line. Close and secure the manway cover. Fill the boiler with water to 1" to 1/2" below the top of the gauge glass. The normal operating level is at about the center of the gauge glass.Learn More

  • Rules and Regulations for Boiler and Pressure Vessel

    (c) Heating Boiler - A steam or vapor boiler operating at a pressure not exceeding l5 psi steam pressure or a hot water boiler in which water or other fluid is heated and intended for operation at pressures not exceeding l60 psi or temperatures not exceeding 250 degrees Fahrenheit. (d) Electric Boiler - A power boiler or heating boilerLearn More

  • Boiler Non-Return Valve - Valve engineering - Eng-Tips

    Oct 20, 2005 · Yes, Boiler non-return valve (also referedto as a Stop Check valve) is a check valve that can be closed. This valve has a disc and stem but the stem is not fastened to the disc. When desired the stem can be turned down to shut off flow.Learn More

  • Saniflo Condensate Neutralizing Kit-043 - The Home Depot

    It can also work along with a pump system when the condensate needs to be pumped into the sanitary line. Unit is very simple to install as well as to maintain. Sani neutral (043) comes with the starter neutralizing agent. Possible connections: tankless water heater, air conditioning unit, boiler. Maximum temperature (°F): 160.Learn More

  • Non-Return Valves for Boilers - Boiler Blog | Nationwide

    Oct 04, 2017 · The main function of a non-return valve (NRV), otherwise known as stop or check valve, is to allow steam flow in one direction, and automatically prevent backflow. In other words, they prevent steam from flowing back to the main header of the boiler, or back to a boiler that has failed or is off-line.Learn More