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Domestic hot water and heating series: gas hot water boiler, vacuum hot water boiler, vertical atmospheric pressure hot water boiler, electric hot water boiler Factory use, high temperature steam: wns fuel gas steam boiler, szs water tube steam boiler, vertical steam boiler, electric steam boiler

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FANGKUAI is founded in 1998, which is a clean fuel boiler enterprise integrating R&D, manufacturing, sales and service. In the past 20 years of development and innovation, the company has grown into a global enterprise, and its products have been exported to more than 80 countries including Russia, Mongolia and Thailand, and have established long-lasting cooperative relations with local enterprises!

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Simple question about Boiler Feed Water Pressure Regulators

  • Offshore price : $20000-$100000 Get a quote on the right form
  • Minimum order quantity : 1 set :Simple question about Boiler Feed Water Pressure Regulators
  • Supply Capacity : 10 units/month :Simple question about Boiler Feed Water Pressure Regulators
  • Manufacturer/Brand : Fangkuai boiler
  • Port : Anyang
  • payment terms : Letter of Credit, Wire Transfer, VISA

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Popular products


θrion Gas Fired Steam Boiler


Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.


Gas(oil) Fired Integrated Hot Water Boiler


Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.


H6 Gas Fired Hot Water Boiler


Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.


T7 Vacuum Hot Water Boilerr


Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.


V6 Gas Fired Hot Water Boiler


Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.


Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy


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  • Multiple-Choice Questions or Objective Type Questions on

    Mar 11, 2021 · (total heat required to evaporate feed water)/2275 (total heat required to evaporate feed water)/2257 (total heat required to evaporate feed water)/7522 (total heat required to evaporate feed water)/5722; The factor of evaporation is: (h-hf)/2275 (h-hf)/7522 (h-hf)/7252 (h-hf)/2257 ; In forced draught boiler, the fan is placed: After the fire gateGet Price

  • Feed valve and yearly maintenance questions — Heating Help

    Sep 01, 2020 · Boiler wasn't running for 48 hours, so checked the pressure on November 12th Pressure had dropped from 12 PSI down to 7 PSI. Opened the feed valve, brought it back up to 12 PSI, and wrote it off to the "fresh" water coming in when I refilled the expansion tank having dissolved air in it, or something.Get Price

  • Worcester Bosch vs Vaillant boilers: Which is best for my

    Apr 14, 2020 · They have also recently released a new, innovative range of boilers : the Greenstar 8000 Lifestyle boilers (consisting of all three types of boiler systems). Vaillant also has a range of A-rated boiler systems available, such as the EcoTec Plus range of combi boilers, the EcoFit Pure range of heat-only boilers and the EcoTec Exclusive system Get Price

  • Water Tube Boiler: Types, Parts, Working Principles | Linquip

    Dec 21, 2020 · Water Tube Boiler Components. Here is a review of the water tube boiler parts and functions.. Boiler Shell: This shell is the external cylindrical part of a pressure container. Steam drum: It is a collection vessel for steam and water. Mud drum: This is a cylindrical formed space at the base of the water space. It will gather impurities like mud, sediment, and others.Get Price

  • boiler pressure problems -

    Re: boiler pressure problems; Author: plumbhelp (MA) this makes no sense. this should be a closed system. once u have 15lbs. after u bleed the system, it should maintain 15lbs. unless there is a leak, or the feed valve is bad. is the valve to the boiler feed valve open???? its got to be something simple thats just being overlooked. is the handle of the feed valve back to the down …Get Price

  • Your guide to safer boiler operation

    Hot water boiler. A B D E. 6 3 8 8 4 5 2 7 1. Steam boiler. 1. Safety valve 2. Low-water cutoff 3. Water column blow-down valve 4. Pressuretrols (one is high-limit safety) 5. Steam pressure-gauge 6. Water column clean-out (cross tee) 7. Bottom blow-off and drain valve 8. Low-water cutoff/blow-off valve Note: Second low-water-cutoff not shown in Get Price

  • DEAERATOR TROUBLESHOOTING Symptom Possible Causes …

    Check Pipe and valve sizing Incorrect steam/water ratio Check heat and mass balances Check overflow level and boiler feed pump operation Pressure fluctuations See pressure fluctuations above If you have questions or comments on this troubleshooting document, you may contact us Get Price

  • What are boiler mountings and accessories?

    What are boiler mountings and accessories? Mountings are water level indicator, safety valve, pressure gauge, etc. It may be noted that a boiler cannot function safely without the mountings. The boiler accessories are the devices, which form an integral part of a boiler but are not mounted on it. They include superheater, economiser, feed pump etc.Get Price

  • Boiler Feed Water Pump Working Principle and Operation

    Jul 18, 2018 · Today we will discuss about (BFWP) boiler feed water pump working principle and operation of a boiler feed water pump. The boiler feed pump function is to supply pressurized feed water to the boilers maintain the water inventory at …Get Price

  • The pressure of feed water has to be raised before its

    The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as . feedpump. injector. feed check valve The water tubes in a simple vertical boiler are . horizontal. vertical. inclined. none of these Get Price

  • ITI Boiler Operator Questions and Answers | MCQ Objective

    Jun 23, 2021 · MCQ Objective Questions and Answers for Boiler Operator Jobs. 1. In the fire tube boilers : (A) The hot gases pass through tubes and water surrounds the tubes. (B) The water passes through the tubes and hot gases surround the tubes. (C) Fire surrounds the tubes and water passes in the tubes. (D) All of the above. 2.Get Price

  • The pressure of feed water has to be raised before its

    The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as . feedpump. injector. feed check valve The water tubes in a simple vertical boiler are . horizontal. vertical. inclined. none of these Get Price

  • Boiler Feed Water Pressure Regulators

    Troubleshooting a Pressure Regulator – Problems & TestsGet Price

  • Boiler Pressure Guide - EDF

    Oct 02, 2020 · The heating system is protected by a boiler pressure relief valve (PRV). This boiler pressure valve prevents damage by letting water escape – sometimes via a small pipe through the external wall near the boiler – when …Get Price

  • Boiler getting overpressurized -- reaches 30 PSI and PRV

    Jan 05, 2021 · Pressure rises slowly (takes about 3 days) until PRV goes off. Installer replaced the expansion tank, the water feed and adjusted the water feed (3 separate visits) still no fix. It seems to me, the only way left of pressure getting into the boiler is through the domestic water coil. Water system is well pump with a 40/60 psi pressure tank setting.Get Price

  • Boiler Feed Water System Diagram and Explanation - What is

    Aug 10, 2009 · The feed pump pumps this water back to the boiler and the cycle repeats itself. Apart from these four main parts, the system also includes a drain tank that collect the condensate from the condenser and provides a suction …Get Price

  • Steam Boiler Questions and Answers - Steam Esteem

    Question: Fluctuating boiler water level The feed water control valve is fully open and the water levels fluctuate at normal boiler load. Answer: Check if: the control valve really is fully open by means of the hand-manoeuvre device. all stop valves in the line are fully open. the suction filter to the feed water pump is satisfactory clean.Get Price

  • How to Set Hot Water or Steam Heating System Pressure

    On a residential heating boiler the automatic water-feeder/pressure reducing valve that automatically provides makeup water to the heating boiler if pressure drops below 12 psi. So 12 psi is the typical "cold" pressure for residential boilers. 12 psi is for typical U.S. / Canadian residential heating systems normal cold temperature starting Get Price

  • Vaillant combi boiler user manual - United States Manuals

    Feb 13, 2022 · At Direct Heating Spares we offer a wide range of Vaillant boiler parts, This page contains links to all of the free Vaillant boiler manuals we have on our system. Download 301 Vaillant Boiler PDF manuals. User manuals, Vaillant Boiler Operating guides and Service manuals. Mar 12, 2014 · Video: How to use your Vaillant boiler.Get Price

  • How do I adjust my boiler pressure properly? – Energuide

    Your boiler must be at the correct pressure for the hot water to circulate properly between the radiators, especially if they are on different floors.Generally, the ideal pressure is between 1 and 2 bars, but this may vary from boiler to boiler.Ask your heating engineer. Check the pressure gauge. A quick look at the pressure gauge is enough to check your boiler's pressure.Get Price

  • Boiler – Fundamentals and Best Practices

    Feed water 1 105 182.5 3 Basic Boiler Calculations. Boiler Water Best Practises. Boiler Water Internal Treatment Technology. Why is Effective Internal Boiler • Boiler pressure, design • Pre-treatment plant type • Feedwater quality • Hot well, deaerator type • Steam turbine • …Get Price

  • CHAPTER TWO: Boiler Operation Maintenance & Safety Study …

    7. Feed Check Valve: The high pressure feed water is supplied to the boiler through this valve. This valve opens towards the boiler only and feeds the water to the boiler. If the feed water pressure is less than the boiler steam pressure then this valve remains closed and prevents the back flow of steam through the valve.Get Price

  • Boiler Mountings - Functions, Parts, Diagram, Working

    To control the supply of feed water to the boiler from the feed pump and; To prevent any water escaping back from the boiler in the event of failure of the feed pump or the pump pressure less than the boiler side. Location: It is fitted over the boiler shell slightly below the normal water level of the boiler. Construction of Feed check valve Get Price

  • Boiler Questions And Answers

    Questions and Answers on Boiler Feed-water Conditioning-John Ferdinand Barkley 1936 Boiler Operator's Guide-Anthony L. Kohan 1998 This publication acts as a guide to installing, operating, and maintaining boilers in industrial, commercial and other facilities.Get Price

  • 3-Element Boiler Feed Water Control • Strategic Automation

    Controlling the boiler feed water (BFW) level in a steam drum can be difficult. The level indication is affected by changes in the steam drum pressure as well as changes in BFW inventory. The pressure changes can cause shrink and swell, …Get Price

  • Boiler Purge Questions — Heating Help: The Wall

    The red stop valve stays open. That is the cold water feed to your tankless heater. Close that valve and you will get no hot water at your sinks etc. The blue stop valve is city cold water feeding your boiler system through the pressure reducing valve. Normally I would say leave the blue valve openbut YOU HAVE A PROBLEM.Get Price

  • 3450 Combination Boiler Feed & Backflow Valve for Hydronic

    Taco's 3450 combination dual check backflow with atmospheric vent and boiler feed valve with purge auto-reset, dial in pressure setting and adjustable indicator sets a new standard for performance and serviceability. Support is only a click away! Our dedicated customer service and tech support teams are waiting to hear from you.Get Price

  • 1/2 inch TB1156F Watts fast fill bronze boiler feeder

    Oct 18, 2020 · Series B1156F Bronze High Capacity Feed Water Pressure Regulators are for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system leaks.Get Price

  • Boiler Feed Engineering Manual - About INSCO

    2. Via feed valve. Function In this type of system the water level in the boiler is controlled by a feed valve, which is controlled by a level sensor or a differential pressure transmitter positioned on the boiler. The feed valve controls the water intake, …Get Price

  • Simple Vertical Boiler - Parts, Working, Applications & More

    May 12, 2020 · 3. Feed Check Valve. The purpose of a feed check valve is to regulate the flow of water from the feed pump to the boiler and to prevent the backflow of the water. 4. Fire Hole. The Firehole is hole provided at the air rear end of the boiler. The solid fuel is inserted and burned into the furnace through this hole. 5. Fire BoxGet Price

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