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API 16A Annular blowout preventer is manipulated by hydraulic control system. When it is shut off, high pressure oil flows into piston underside closed cavity through the oil port in central shell, to push piston upwards, and the conical surface of piston squeezes rubber core. Due to the restrictions of head cover, rubber core can’t go upwards but is pushed towards the center of wellhead until it encloses drilling tool or enclose wellhead totally to shut the well. When well needs to be opened, manipulate the reversing valve of hydraulic control system, so that high pressure oil should flow into the open cavity on top of piston through the oil mouth on shell, to push piston downwards and decompress closed cavity, in which case, the extrusion force on the conical surface of rubber core is removed, and the rubber core is reset gradually with the action of its own elastic force to open wellhead.
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Dongying Lake Petroleum Technology Co., Ltd. lists Blowout Preventor on Global Trade Plaza from China. The listing was added in June 2025.
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Dongying Lake Petroleum Technology Co., Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since June 2025. Use Inquire now or Chat with supplier to ask Dongying Lake Petroleum Technology Co., Ltd. for prices, specifications and documents for Blowout Preventor.
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Dongying Lake Petroleum Technology Co., Ltd., a B2B supplier from China, dispatches Blowout Preventor primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, use Get a quote or Chat with supplier, or Sign Up for direct supplier interaction.