The style of quick opening closure that you are looking is frequently refered to as being the 'bridge type' and cannot be made to fully meet the intent of UG-35. Development of design formulas etc per code are difficult to produce and, with the length of time that these closures have been...
Would suggest that you contact the manufacturer as I believe that the Closure is out of their design range. Contact information for GD can be found at www.gdengineering.com
The Bandlock style closure relies on the use of an elastomeric seal and which restricts the maximum design pressure. Have...
