Our products are mechanical seals, pump mechanical seals, auto mechanical seal, bellow mechanical seal, shaft mechanical seals, elastomer bellows seals, single spring seals, teflon wedge seals, pusher design seal, metal bellows seals, cartridge seals, etc. Shape (for gasket): serrated gasket Style: o ring Material: silicon Function: shaft sealing Standard or nonstandard: standard Product description Mechanical seal, for industrial pump, replace the mechanical seal of burgmann m7n 2. Materials: Stationary ring: silicon carbide, carbon, tc Rotary ring: silicon carbide, carbon, tc Secondary seal: nbr, epdm, viton Spring and metal parts: steel 3. Applications: clean water, sewage water, oil and other moderately corrosive fluids. We are a manufacturer in making pump mechanical seals, auto pump seals, water pump seals, cartridge seals, metal bellow seals and ceramic seal faces and rings, sintered sic(ssic) seal faces and rings, sic(silicon carbide) seal faces and rings, tungsten carbide(tc) seal faces and carbon or graphite seal faces and rings. Please email to request them if you need our mechanical seal catalogues. The catalogues with detailed dimensions of mechanical seals will be sent to you by email or by air.