Hexagon head screw plugs with collar/flange and cylindrical/flat/parallel threads defined in the DIN 910 standard published by the German Standardization Institute (DIN), are cylindrical (parallel/straight) pipe threads along the length of the other end and an external hex head threaded plugs protruding from the collar end. . The collar, when fully tightened, provides a larger bearing surface to sit flush with a preformed hole or surface of the mating substrate. The external hex drive allows for significantly higher tightening torques when required. These plugs are typically used to seal cylindrical threaded holes in pipes and connections that carry air, gas or liquid under pressure. Additional sealant coating such as thread sealing tape (teflon tape), a liquid pipe sealant applied to the threads, or pre-applied sealant is often required for a perfect seal. Hexagon head screw plugs, which fall under the definition of this standard, are produced from brass, steel and stainless steel hex head screw plugs from brass, steel and stainless steel.
The requirements for the plugs covered by this standard are included in the standard under the following headings:
Collar/flanged and vented hexagonal head threaded plugs are threaded plugs with an external hexagonal head protruding from the collar end and a cylindrical (parallel/straight) pipe thread along most of the length of the other end. The vent provided in these plugs creates a venting gap for trapped air/gas . These plugs are typically used to seal cylindrical threaded holes in pipes and fittings carrying compressed air, gases, or liquids under pressure.
Among the numerous tests, measurements, analyses, and evaluations our organization provides for businesses in various sectors, we also offer testing services for hexagonal screw caps with collars, in accordance with the DIN 910 standard, thanks to our trained and expert staff and advanced technological equipment.
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