Parts and accessories for vacuum and suction systems for industrial use, namely, suction cups operated by vacuum seal and used for gripping and handling items comprised of flat, curved, smooth, crude or rough surfaces, namely, for gripping and handling packed and unpacked food products, paper sheets, cardboard sheets, paper bags, plastic bags, labels, CDs, ceramic tiles, baked clay tiles, glass slabs, marble plates, marble slabs, granite plates, plastic and wood panels used for furniture, cylindrical bodies in the nature of pipes, bottles, grinding wheels, small metal parts, namely, steel plates, smooth plates, corrugated sheet-iron, sheet-steel, galvanized sheet-iron, sawn-, bush-hammered, or flamed marble, buckle plates, tread plates or plates with frets, striated sheets of solid transparent, resinous material to be used as a glass substitute, raw cement and garden tiles with grit, in order to move, place, or stack the aforesaid items for storage or transport; suction cups operated by a vacuum-seal created by a bellow and used for gripping and handling items comprised of flat, curved, smooth, crude or rough surfaces, namely, for gripping and handling packed and unpacked food products, paper sheets, cardboard sheets, paper bags, plastic bags, labels, CDs, ceramic tiles, baked clay tiles, glass slabs, marble plates, marble slabs, granite plates, plastic and wood panels used for furniture, cylindrical bodies such as pipes, bottles, grinding wheels, small metal parts, namely, steel plates, smooth plate, corrugated sheet-iron, sheet-steel, galvanized sheet-iron and buckle plates, sawn-, bush-hammered, or flamed marble, buckle plates, tread plates or plates with frets, striated sheets of solid transparent, resinous material to be used as a glass substitute, raw cement and garden tiles with grit, in order to move, place, or stack the aforesaid items for storage or transport; valves as parts of vacuums, namely, manually operated valves and machine-operated self-closing valves for use in opening and closing the vacuum bag aperture to enable vacuum bag evacuation, and for use in opening and closing the aperture of a fluid reservoir to control fluid level and fluid flow, for use in interrupting a vacuum seal, and for regulating, adjusting and controlling the vacuum level; Vacuum-operated thermowelders, namely, vacuum-operated heat sealers which enable suction to be controlled separately from the inlet of air into the circuit, and for use on feeders, namely, hand-operated or machine-operated devices that enable the insertion of an item into another machine or apparatus, cup stackers, namely, machines that lift and stack cups, and switchgears, namely, switching equipment used in an electric power station, and to test the sealing of cellophane wrappings on food products; suction filters in the form of filtering cartridges placed and used on the suction inlet of a vacuum pump or on the suction inlet of a vacuum hose to filter impurities and prevent them from reaching the vacuum pump valves; oil bath suction filters, namely, filters which utilize an oil bath as the filtering medium to maximize suctioning capabilities when filtering thin or impalpable powders; siphon filters, namely, pneumatic suction units comprised of suction cups used to draw liquids via siphon action through a tube and then though through filters which extract the impurities; non-metal flexible hoses for vacuums and non-metal hose fittings; vacuum pumps; oil bath vacuum pumps; small vacuum pump sets comprised of lubricated and dry rotary vane vacuum pumps and drives for vacuum pumps that use compressed air to produce a vacuum; Pneumatic single-stage and multi-stage vacuum pump sets, namely, vacuum pump sets comprised of pneumatically operated drives for vacuum pumps which produce a vacuum using compressed air; vacuum generators, in the nature of vacuum pumps, namely, machines that use compressed air to produce a vacuum; vacuum jets, in the nature of pumps as parts of machines that blow or eject compressed air to produce a vacuum, comprised of pneumatic suction pumps, pneumatic blowing pumps and vacuum cylinders; Vacuum flow generators, in the nature of vacuum pumps, namely, pneumatic single-stage and multi-stage vacuum generators, air-blowing pumps as parts of machines that blow or eject compressed air to produce a vacuum, used to direct the flow of and transfer of powders, granulated products, sawdust, corn, metal chips, liquid or dry foodstuffs into containers; air-blowing pumps as parts of machines that blow or eject compressed air to produce a vacuum, used for extracting fumes via vacuum suction; and air-blowing pumps as parts of machines that blow or eject compressed air to produce a vacuum to extract water or oil condensates from surfaces via vacuum suction; Vacuum-operated lifting systems comprised of robotics, in the nature of robotic arms for industrial purposes, suction cups and suction plates, used for lifting items via a vacuum-sealed suction in order to move, place, and stack goods on pallets for storage or transport