CUPLA

rubber or vulcanized fiber valves, other than machine parts, and non-metal gaskets, all for use in the following industries - medical/surgical, environmental engineering, oil and gas, manufacturing, heating and air conditioning, plumbing, and food handling; non-metal pipe, tube and hose couplings; packing materials for valves and pistons made of asbestos; rubber and plastic packing materials, joint packing for pipes; non-metal pipe junctions and fire hoses