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Zozen Boiler main products include gas&oil boiler, coal-fired boiler, biomass boiler, thermal fluid heater and other series of more than 400 varieties of specifications.
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Our Main Product

our main boilers
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1-20 ton gas/oil fired boiler

Price: $1-$99999/set

Capacity: 1-20 ton/h

Pressure: 0.7-2 Mpa

Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

szs boiler picture

7-70 MW gas/oil fired hot water boiler

Price: $1-$999999/set

Capacity: 7-70 MW

Pressure: 1.0-1.6 Mpa

Fuel: Nature gas, coke oven gas, blast furnace gas, carbon black off-gas, biogas, methanol, LPG, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, hospital, colleges and universities.

szl boiler picture

2.8-29mw coal fired boiler

Price: $1-$999999/set

Capacity: 2.8-29mw

Pressure: 1.0-1.25 Mpa

Fuel: Bituminous coal, lean coal, anthracite

Industries: Heating, hotels, schools, hospitals

yyw boiler picture

horizontal thermal fluid heater

Price: $1-$99999/set

Capacity: 700 - 14000 kw

Pressure: 0.8 - 1.0 Mpa

Fuel: natural gas, coke oven gas, bio-gas,liquid propane gas, diesel, heavy oil, light oil, crude oil

Industries: Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries

wns boiler picture

1-20 ton biomass fired boiler

Price: $1-$999999/set

Capacity: 1-20 ton/h

Pressure: 0.7-2.5 Mpa

Fuel: Biomass particles

Industries: Heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital

Combi Boilers : Why You May Need to Upgrade Your Gas Pipes

Do you need a new Boiler Gas Pipe ? Boiler Gas Pressure Issues

24 Sep 2015 - 5 min - Uploaded by London Boiler Company If you are considering installing a new video it is most likely that many heating engineers will tell

Combi Boilers : Why You May Need to Upgrade Your Gas Pipes

10 Dec 2015 According to Gas Safe regulations, a 22mm supply pipe must be fitted from the combi boiler to the meter. So, if you have an old 15mm pipe, it must be replaced. Old lead pipes must also be replaced, along with any pipe that is not demonstrating adequate pressure to the boiler due to carbon deposits in the pipe.

Gas Pipe Size? - London Boiler Company

22 Aug 2018 The answer is very simple, the only way to know if your new boiler requires a new gas pipe is to install the new boiler , turn the boiler and test it.

Gas central heating boilers and furnaces - How do they work?

10 Apr 2018 Photo: A typical gas central heating boiler . The big pipe coming out of the top is the flue. The hot and cold water and gas pipes enter the boiler

new gas boiler - pipework | Screwfix Community Forum

26 Jan 2018 According to Gas Safe regulations, a 22mm supply pipe must be fitted from the combi boiler to the meter. So, if you have an old 15mm pipe , 

Boiler pipes - Milan - Pessina Tubi

Boiler pipes are therefore suitable pipes for supporting the passage of gas at high temperatures, and for this reason they are generally made through cold 

supply pipe to new combi boiler with 15mm inlet gas connection

5 Aug 2014 The gas inlet connection on boiler is 15mm but I understand that as per building regulations it should be fitted to a 22mm gas pipe within one 

Why the need for larger gas pipes for Condensing Boilers ?

Has anybody done a whole-life cost of condensing boilers ? When they installed the new gas pipe , in a trench from the other side of the street, I suggested they 

Seamless Steel Tubes and Pipes for Boilers - Nippon Steel

pressure boilers , pressurized fluidized bed boilers , gas turbine-combined power generation boilers , and high-efficiency industrial waste incineration boilers .

Domestic Gas Pipework: Part 1 - Planning and Sizing

a gas fire with a heat input of 7kW and a cooker with a heat input of 16kW. The main existing piping run (1-2) is installed with 22mm tube. A boiler . (with piping

GAS -FIRED HOT WATER BOILERS INSTALLATION - Utica Boilers

boiler for installations having unusual piping and pickup requirements, such as Consult National Fuel Gas Code, ANSI Z223.1/NFPA 54 or manufacturer for 

gas pipe size and combi boiler failures. - MoneySavingExpert.com

We've had endless trouble with our 6 year old combi boiler - I've now got quotes for a new "regulation" /no choice condensing boiler .

New Combi Boiler with 15mm gas supply - MoneySavingExpert.com Forums

New Combi Boiler with 15mm gas supply In my home (includes DIY) The installation manuals will give the size of gas pipe required.

15mm gas pipe connection question - Boiler Guide

21 Jun 2012 My property is pre 1900 with 15mm pipes right through from gas meter/supply to central heating boiler . The boiler is situated in the garage 

Frozen pipes - Gas Networks Ireland

Natural gas central heating systems should continue to operate if water pipes have frozen. In fact, in very cold weather your central heating boiler can be left 

Frozen condensate - Useful Information | Worcester, Bosch Group

7 Jan 2019 The UK is currently experiencing spells of extremely cold weather. Find out how to unfreeze the boiler condensate pipe .

Frozen Condense Pipe - Holdcroft Heating & Gas Fitting LTD

It's possible that your boiler's condense trap/discharge pipe has frozen if all 3 of a flashing red light instead); Your boiler is a Greenstar gas boiler , or a 26 CDi 

How to prevent your condensing boiler from freezing and what to do

Try to get a boiler with a Siphon trap type of A trace can only be installed by a Gas -Safe 

Gas Angel Heating | 10 Things to consider before getting a new boiler

The easiest and cheapest place for any boiler to be installed is in the same location as the old one, the reason for this is that the pipes are all in the vicinity, 

5 tips to make sure your boiler is ready for winter | Viessmann

Stay a step ahead of the weather and make sure your boiler is ready for the colder weather Only a Gas Safe engineer can make alterations to the pipe itself .

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