(1) UL listed N° JMST2.MH2117 (2) DVGW Certificate N° NG-5121BQ0521
(a) Cork/Rubber materials for tightness joints used in gas appliances, valves, devices and gas installation (b) Gaskets and Seals, requirements cover test procedures and performance criteria for the evaluation of nonmetallic gasket and seal materials for specific end products (c) Rubber/Cork and rubber/cork synthetic fiber based gasket materials for use with gas valves, gas appliances and gas pipe work (d) Japanese gas appliance inspection association (e) Domestic Cooking Appliances Burning Gas, Durability of Sealing Materials
Characteristics and advantages • Tolerance to extreme surface finishing conditions such as "AS CAST"; • Conformable to flanges with higher "out-of-flatness" values, such as stamped steel and plastic covers; • Lower bolt torques possible; • Fewer fasteners in the system; • Smaller or lower grade fasteners; • Allows for components with less mass and more distortion; • Good chemical compatibility with burning gases; • Low gas permeability; • Very low side-flow improving crush-out resistance; • Easy to fabricate.