... DN400 Silicone rubber gasket -100 ~ 300 pressure <3.0MPa DN15 ~ DN400 sealed in a class of devices based on common components, and ... sealing technology for a class of widely used rubber products. Because the rubber has a valuable flexible polymer materials, a wide ... of . The main products there are rubber seals, rubber gaskets, flange gaskets, rubber shock absorber block, rubber O-ring, V-ring, X-ring ...