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If you were to ask what the most common device used in steam boilers to protect from overpressure conditions, the answer would be the safety valve.  The first safety valves were introduced in the early 19th century as result of boiler explosions on ships and locomotives.  Today, a safety valve is a critical and necessary part of a boiler system used to protect human life and property from different situations that may arise including:

•    An imbalance of fluid flow rate caused by inadvertently closed or opened isolation valves on a process vessel.
•    Failure of a cooling system, which allows vapor or fluid to expand.
•    Compressed air or electrical power failure to control instrumentation.
•    Transient pressure surges.
•    Heat exchanger tube failure.
•    Uncontrollable exothermic reactions in chemical plants.
•    Ambient temperature changes.

To learn more about safety valves, their types, selection, installation and sizing, visit the following link: http://www.spiraxsarco.com/resources/steam-engineering-tutorials/safety-valves/introduction-to-safety-valves.asp

This site provides a comprehensive list of tools and resources specific to steam generation and is beneficial for boiler owners. 

If you have additional questions regarding safety valves, give us a call and we’ll do whatever we can to help you understand: 510-490-7100.

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With boiler emissions requirements continually changing and becoming more stringent, now is the time to make a decision on whether to replace or retrofit your existing equipment to meet new requirements.

Nationwide Boiler’s CataStak™ SCR System leads the industry in performance and reliability, exceeding current local, regional or national emission regulations and requirements. SCR technology is the most economical, efficient, reliable and easy to operate solution, capable of easily exceeding 9 ppm NOx limits to as low as 2½ ppm.

During your SCR selection process, you may want to consider a supplier who:

  • Has a minimum of ten SCR systems in California operating over a five year period
  • Provides a reliable and proven Ammonia Flow Control system that was developed over ten years ago
  • Provides start-up and support service personnel who are directly employed by the company
  • Has a service response time within four hours
  • Has experience in owning and maintaining SCR systems, not just selling them
  • Maintains an exemplary safety record: .62 Experience Modification Rate (EMR)
  • Carries more than adequate insurance requirements for any size project

Call Nationwide Boiler today and ask to speak with our CataStak™ expert, Larry Day, for more information on why a Nationwide CataStak™ SCR System is the best solution for NOx compliance.

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It's that time to start planning your trip to CLFP's annual Expo at the Sacramento Convention Center on February 19th & 20th. Visit with staff from Nationwide Boiler at booth #536 and have all your boiler rental related questions answered.  Looking to buy a new or reconditioned boiler? Does your current boiler equipment have to meet strict emission limits in the New Year?  We can help you select the right boiler system for your needs or can supply a Nationwide Boiler CataStak SCR system for 5 ppm NOx compliance, proven to be the most reliable and dependable SCR for package boilers the food processing industry has to offer.

If you are a food processor and would like to attend the show complimentary as our guest, contact Nationwide Boiler for a visitors pass to the exhibit hall! Email us today at info@nationwideboiler.com.  We look forward to seeing you there!

 

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During the course of Nationwide Boiler’s almost 50 year history in the boiler rental business, we occasionally involve ourselves in jobs that ultimately do not run as well as we would like.  Often times, though no fault of our own, customers may be unhappy due to the overall project results.  We believe that we can learn from our past mistakes.  It is also important to ask, “How can we avoid these problems?”. 

After a good deal of investigation, we have listed the top five (5) reasons as to “How A Boiler Rental Job Can Go Bad?”.

1.   Inadequate Planning and Budget Allotment
•    advance planning and timing
•    budget for:  rent, freight, installation, weatherization, start-up training, operation, water treatment, dismantling, return freight
•    cushion for extra rental days which may be required
•    emissions testing

2.   Non-Engineered Installation
•    sizing lines, pressure drop calculations, electrical loads
•    permitting issues (emissions, pressure vessel, operating, construction)
•    steam required – gross versus net, average versus peak load
•    extra equipment required such as 2nd header valve, gas regulator, feedwater pump, water softener, safety valve resetting
•    adequate utilities:  water, fuel, electrical, blowdown, drains, instrument air
•    provide loads or means of venting during start-up

3.   Lack of Qualified Operators 
•    training and licensing
•    familiar with controls and type of boiler (watertube versus firetube, package versus field erected, gas versus wood fired)
•    daily logs, regular blowdown and lubrication/maintenance

4.   Poor or Lack of Water Treatment
•    get  professional involvement (Nalco, Betz, Garratt-Callahan)
•    monitor water quality and blowdown rates
•    source of make-up or condensate (get analysis)

5.   Lack of Maintenance
•    users responsibility (treat it like your own)
•    hands on – not hands off attitude

If you are ever in need of a rental boiler, give us a call and we will help you understand what needs to be done to make your next rental project a success.  If you have any questions, email us at: info@nationwideboiler.com.

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