Burgmann H74-D Mechanical Seal called as PC04 are specialized in mechanical seals products. This device gives double seal and it can be rotated in any direction equipped with multiple springs. It operation are same as H7 series but the installing dimensions of drive base and other measurements are DIN24960 based. It is best when used for a medium which can be easily hardened or has fiber or particle. Some combination of materials come into use for creating this seal, for sealing face Graphite, Silicon carbide, Tungsten carbide,Aluminum oxide are used. Made of stainless steel, it is suitable for medium which can easily solidify or contain fiber or particle.