Product Description
Sphere Part
Crafted from high-strength, corrosion-resistant premium metals, including top-tier stainless steel 304 or 316L, this sphere boasts a meticulously polished surface that minimizes resistance to medium flow, ensuring durability even in demanding loading and unloading operations. The unique spherical design offers unparalleled flexibility, allowing the coupling to seamlessly adapt to various angles and positions during connection and disconnection, thereby significantly enhancing operational convenience.
Sealing Components
Equipped with superior sealing materials like fluoroelastomer and nitrile rubber, this product excels in oil resistance, aging resistance, and chemical corrosion resistance, maintaining a stable seal over prolonged use in challenging environments. Its ingeniously designed sealing structure, coupled with the precise interaction between the sphere and sealing elements, provides a dual-sealing assurance that effectively prevents oil and gas leakage, safeguarding the oil and gas recovery process with eco-friendly and secure performance.
Connecting Parts
Engineered with a standardized design on both ends, this coupling ensures rapid and secure connections to a wide range of pipelines, loading and unloading arms, and other equipment. Connection options include threaded, flange, and clamp connections, providing flexibility to suit specific requirements and installation scenarios. Precision-crafted dimensions with rigorously controlled tolerances guarantee a secure and stable connection, preventing loosening and leakage during operational activities.
Working Principle
In the dynamic operations of oil product loading and unloading, these spherical oil and gas recovery couplings work harmoniously with dedicated equipment. During oil loading, the couplings channel oil and gas back to storage tanks or recovery systems, facilitated by their specialized internal structure that ensures smooth flow and airtight sealing by the sealing components, preventing atmospheric leakage. During unloading, the couplings enable reverse recovery of oil and gas, maintaining a closed-loop system that significantly diminishes environmental pollution and mitigates the risk of fire, explosions, and other safety hazards attributable to oil and gas accumulation.
Installation Instructions

Our Advantages
Xuzhou Xuqi International Trade Co., Ltd. elevates itself above the competition with its robust manufacturing prowess and vast reservoir of industry expertise. Benefiting remarkably from the backing of our two proprietary factories-Jiangsu Jiasheng Petroleum Technology Co., Ltd. and Xuzhou Yikai Valve Co., Ltd.-we deliver superior, tailor-made product solutions crafted to perfection. Our diverse product portfolio encompasses top-grade stainless steel valves and cutting-edge petroleum equipment, prominently serving crucial sectors such as oil, chemicals, and transportation. Supported by our extensive global service network and unwavering customer support, we promise not only efficient and timely service but also the ultimate in customer satisfaction, ensuring optimum solutions and a distinguished experience for our esteemed clientele.
Company Profile
Xuzhou Xuqi International Trade Co., Ltd. emerges as a beacon of reliability in the distribution of superior industrial products. Our strength lies in sourcing from two esteemed manufacturing giants: Jiangsu Jiasheng Petroleum Technology Co., Ltd. and Xuzhou Yikai Valve Co., Ltd., both renowned for their excellence in production and dedicated factory operations. possessing a wealth of experience in crafting dependable industrial components, trusted across multiple sectors for their performance and durability.
Jiangsu Jiasheng Petroleum Technology Co., Ltd. excels in creating essential components for the oil industry, including precision-engineered fuel dispenser accessories, oil tank truck parts, and robust pipeline fittings. Meanwhile, Xuzhou Yikai Valve Co., Ltd. sets the benchmark with its extensive collection of stainless steel valves, offering options such as ball, gate, check valves, and flanged pipe fittings, each crafted to meet stringent quality criteria.
In the role of a pivotal supply chain partner, Xuzhou Xuqi International Trade Co., Ltd. seamlessly bridges these premium products to global markets. We proudly serve sectors such as oil and gas, transportation, petrochemicals, and infrastructure, with a steadfast commitment to delivering exceptional service, competitive pricing, and prompt delivery across the globe.
Dedicated to nurturing enduring partnerships, Xuzhou Xuqi is committed to providing high-value solutions that cater to the varied demands of our clients, underpinned by the robust expertise and state-of-the-art manufacturing prowess of our esteemed partners.
Packaging & Shipping

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