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The inspection before fire tube boiler operation

Date: 07-15-2014 Author: ailsa from ZG boiler
Power Boilers (steam pressure set above 15 psi) require an interior inspection every twelve months. It indicates the watersides and firesides should be opened and cleaned prior to visual inspection by way of a certified inspector. It is important that owners or operators also remove plugs and caps to water column piping and low water cutoff devices to ensure pipe connections are free and totally free of mud, sludge or other obstructions.
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As soon as the inspection, a professional inspector may suggest satisfactory conditions with a report, providing copies to the owner/operator and submitting an original to Commerce. Upon receipt, Commerce issues a "Permit to control-PTO" that should be posted about the premises with the owner or operator.
 
Steam Heating fire tube Boilers (steam pressure set at or below 15 pounds per square inch) require a inspection every 3 years. What this means is a visual inspection by way of a certified inspector can be completed while the boiler is in operation. Though it can be a recommended maintenance item, owners usually are not needed to remove plugs and caps to water column piping and low water cutoff devices to ensure pipe connections are free and free of mud and sludge.
 
After the inspection, a certified inspector might point to satisfactory conditions for the inspection are accountable to issue a PTO. The inspector will supply a study copy to the owner/operator and submit the first are accountable to Commerce. Upon receipt, Commerce may issue a "Permit to control - PTO" that will likely be posted around the premises from the owner or operator.
 
Trouble Heating fire tube Boilers (set pressure 0-160 pounds per square inch and maximum 250o F temperature) require a inspection every 36 months just like the steam heat boilers above.
 
NOTE 1:  Commercial fire tube boiler owners and users must obtain and look after a current "Permit To control - PTO prior to Wisconsin Boiler Code section Chapter Comm. 41.24.
 
NOTE 2:  Single family and duplex boilers are exempt from periodic inspection per Comm 41.18(1)b. Owners should reference the gear user guide for operating procedures and maintenance, or obtain applicable maintenance and inspection service from the reputable heating contractor or local building inspection official.

The last two items are specific codes for new construction; however, most of the technical requirements for design, welding, NDE, and materials can be applied to the inspection, rerating, repair, and alteration of in-service pressure vessels. 

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Industrial Steam Boiler Company Information--- ZG Boiler

Established:In 1945

Number of Employees:above 1500 People

Our products:industrial horizontal steam boiler and hot water boiler(biomass boiler, gas boiler, oil boiler, coal boiler, etc), CFB boiler, power plant boiler, waste heating recovery boiler, Pressure Vessel(AAC autoclave, Curing tank,etc )

Factory Size (Sq.meters):400,000 square meters

Factory Location:Factory 1: Zhengzhou,,Henan, China. Factory 2: Xingyang,Henan,China

Number of R&D Staff:376 people

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Export Percentage:30-40%

Total Annual Sales Volume:US$100 Million

Main Market:South America(Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Brazil, Bolivia, Chile, Paraguay, Uruguay, Argentina and French Guiana), North America(Bahamas, Canada, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Haiti, Jamaica, Mexico, Nicaragua, Panama), Eastern Asia(Mongolia / Russia / North Korea / South Korea / Japan), Oceania(Australia, New Zealand, Fiji), Mid East(Bahrain, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, UAE and Yemen, Palestine, Algeria, Libya, Morocco, Tunisia and Sudan, Mauritania and Somalia), Africa(Egypt, Sudan, Libya, Tunisia, Algeria, Morocco, Ethiopia, Somalia, Kenya, Tanzania, Sierra Leone, Liberia, Cote d'Ivoire, Ghana, Togo, Niger, Nigeria, Cameroon, Gabon, Congo (Brazzaville), Zambia, Zimbabwe, Angola, Mozambique, Botswana, Namibia, South Africa), South Asia(Nepal, Bhutan, India, Pakistan, Bangladesh, Sri Lanka, Maldives) Southeast Asia(Vietnam, Laos, Cambodia, Thailand, Myanmar, Malaysia, Singapore, Indonesia, Brunei, the Philippines, East Timor) Domestic Market(China)

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