Petroleum well wellhead equipment. Hand valve with handwheel on the flow line. Oilfield site. Oil, gas industry concept. Industrial site background. Production oil. Multiple check valve gate armature.
2832px x 4256px / JPG

Petroleum well wellhead equipment. Hand valve with handwheel on the flow line. Oilfield site. Oil, gas industry concept. Industrial site background. Production oil. Multiple check valve gate armature.

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