Valves being parts of machines; Back pressure valves as parts of machines; Taps being parts of machines, engines or motors; Pumps for machines; Pressure regulators being parts of machines; Pressure reducers as parts of machines; Regulators being parts of machines; Heat exchangers being parts of machines

Valves being parts of machines; Back pressure valves as parts of machines; Taps being parts of machines, engines or motors; Pumps for machines; Pressure regulators being parts of machines; Pressure reducers as parts of machines; Regulators being parts of machines; Heat exchangers being parts of machines