Description: Sampling, containment and conditioning equipment, namely, controlled volume pumps for the extraction of samples of natural gas, crude oil and hydrocarbon liquid; control valves for regulating the flow of natural gas; sampling, containment and conditioning equipment, namely, flow and pressure probe regulators for use in the natural gas and crude oil industry; automatic and electronic valves for controlling natural gas; flow regulators for use with natural gas; insertion equipment for natural gas, namely, probes for analyzing the amount and composition of gas flowing through a pipeline, pressure and flow regulators, temperature sensors, flow meters and ultrasonic meter heads; electronic equipment for the inspection of natural gas pipelines; automatic natural gas control valves; automatic control valves for liquids and gases actuated by pneumatic, hydraulic, or electronic means; automatic measured sampling machines actuated by pneumatic, hydraulic or electronic means for gathering samples of and checking the concentration of crude oil, gas and light liquids; laboratory filters for analytical instrumentation for protection or separation of natural gas; Sampling, containment and conditioning equipment, namely, positive displacement pumps; Metal high-pressure cylinders used for collection and transportation of compressed gas or liquid samples, sold empty; Portable, modular and prefabricated heated enclosures for housing sampling, containment and conditioning equipment for natural gas and crude oil to maintain temperatures therein; sampling, containment and conditioning equipment, namely, heaters for natural gas and crude oil; sampling, containment and conditioning equipment, namely, filters for removing contaminants from natural gas and crude oil; filters made of metal for filtering unwanted matter from natural gas
