Restricted flow rate of the pressure relief valve
Defect Summary
Emerson process mgmt regulator tech, inc. (emerson) is recalling certain fisher pressure relief valves model numbers h732a, h832a, h733, and h833 manufactured from april 9, 2013, through april 24, 2015 and sold as aftermarket or for use as service replacement equipment in cargo tank trailer applications for transporting compressed gases, such as butane or amines. The flow rate of valves with relief setpoints up to 200 psig may be restricted in the event the tank trailer is involved in a crash or other emergency and is exposed to a fire.
Safety Consequence
Without sufficient flow in these conditions, the tank could explode causing serious injury to bystanders.
Corrective Action
Emerson will notify owners and will provide replacement pressure relief valves free of charge. The recall began on august 17, 2015. owners may contact emerson customer service at 1-888-237-1751.
Similar Recalls
Other recalls from Emerson Process Mgmt Regulator Tech. Inc or involving Fuel System, Other.
FAQ: Recall 15E064000
Your rights, the repair process, and what each field on this page means.
What is recall 15E064000?
NHTSA recall 15E064000 was issued by Emerson Process Mgmt Regulator Tech. Inc on August 4, 2015. It addresses: Restricted flow rate of the pressure relief valve. The recall affects approximately 110 vehicles, with the defect involving the Fuel System, Other component.
How do I get this recall repaired?
Contact any authorized Emerson Process Mgmt Regulator Tech. Inc dealer and reference NHTSA recall ID 15E064000 or the manufacturer campaign number NR (Not Reported). Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.