Basic Info.
Temperature
Ordinary Temperature
Certification
GS, CE, ISO9001
Media
Gas, Oil, Water, Acid
Medium Pressure
Above 6.4MPa
Nominal Pressure
Pn11-Pn42
Operating Pressure
Super-High Pressure
Body Rating
ANSI600lb-ANSI2500lb
Actuator Type
Diaphragm/Plunger/Bellows
Connection Type
Flange/Bw Butt Welded
Specification
110.00cm * 110.00cm * 90.00cm
Product Description
ZZY type self-operating pressure regulating valves are marvels of innovation, uniquely designed to eliminate the need for external energy sources. These sophisticated valves harness the energy from the controlled medium itself, employing a dynamic actuator that regulates the valve core position. This remarkable mechanism alters the flow area, thereby deftly adjusting the flow rate to maintain stable pressure levels whether before or after the valve, ensuring seamless operation.
Renowned for their ultra-sensitive operation and exceptional sealing capabilities, these valves exhibit minimal pressure fluctuation. They have become indispensable in the realm of automatic control systems for their prowess in pressure attenuation and stabilization, as well as pressure relief and stabilization of gas, liquid, and steam mediums. Widely employed across a multitude of industrial equipment, they epitomize reliability and efficiency.
Our company's product line in this series features an array of sophisticated designs tailored to meet diverse industrial needs. Choose from single-seat (P), sleeve (M), and double-seat (N) structures based on the valve core type, and explore three distinct actuator types: diaphragm, piston, and bellows. Each variant is expertly crafted to deliver optimized performance and adaptability.
Operating Principle
For applications involving downstream pressure control (ZZYP-B type), this valve excels in pressure reduction and stabilization. When downstream pressure surpasses the predetermined value, the valve ingeniously closes, eventually sealing off. Conversely, if the pressure dips below the set threshold, the valve remains open, ensuring pressure equilibrium.
In scenarios that necessitate upstream pressure control (ZZYP-K type), the valve's role shifts to providing safety pressure relief and stabilization. It skillfully opens when upstream pressure exceeds the defined value, fully opening as needed. When pressure drops below the set value, the valve stays sealed, offering a robust and reliable pressure management solution.
Introducing the ZZYP-II series nitrogen sealing device, a pioneering self-operating micro-pressure control system, a testament to our engineering excellence. Specifically designed to sustain a consistent pressure of protective gas-typically nitrogen-atop storage tanks, it effectively prevents direct exposure of tank materials to air. This innovation curtails material evaporation and oxidation, enhancing container safety and integrity.Particularly adept for gas sealing protection systems in expansive storage tanks, this product boasts energy efficiency, precision operation, and dependable performance. It simplifies operation and maintenance, making it a staple in industries like petroleum and chemical engineering. Its robust design ensures seamless integration and reliability in demanding environments.
Ingeniously eliminating the requirement for external energy sources, this device operates independently of electricity or gas. It represents the pinnacle of convenience, energy conservation, and cost-effectiveness, offering a sustainable solution for modern industrial challenges. The nitrogen sealing device features intuitive nitrogen supply and vent pressure setting, maintaining optimal function during continuous production. With a large effective diaphragm area for pressure detection and low stiffness setting spring, it operates with remarkable sensitivity, ensuring smooth and efficient performance.
To fortify the safety of storage tanks, a breather valve is essential atop the tank. This valve plays a crucial safety role, preventing the cumbersome and wear-prone cycle of opening and closing nitrogen supply and vent valves encountered in traditional nitrogen sealing systems, thus enhancing longevity and reliability.Test and Detection Equipment
SNT Machinery (Qingdao) Co., Ltd. proudly upholds the prestigious standards of ISO9001 and API SPECQ. With a strategic focus, we meticulously design and execute essential control methodologies and deploy sophisticated apparatuses. Our offerings include top-tier inspection and testing equipment, complemented by high-performance process machinery. We ensure flawless compatibility and seamless integration across every phase-design, manufacturing, inspection, testing, installation, and service. Our exceptional suite of tools includes the latest in material chemical composition analysis technology, cutting-edge imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities, positioning us at the forefront of excellence.
Our expertise is further elevated by an extensive collection of state-of-the-art nondestructive inspection equipment, such as RT, UT, MT, PT, operated by a team of certified nondestructive testing inspectors. We also feature an impressive variety of pressure test equipment in multiple sizes, along with advanced low-temperature test apparatus and helium mass spectrometer leak detectors. Our comprehensive testing lineup includes rigorous low emission helium mass spectrometer tests, high-pressure gas tests, precision vacuum tests, exhaustive fatigue tests, and meticulous degreasing tests, all steadfastly committed to upholding the highest quality standards.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. shines as a premier innovator in the realm of control valve manufacturing, where design, production, sales, and service converge into one seamless operation. Nestled in the bustling and beautiful city of Qingdao, within the Shandong province, our expansive facility spans 42,000 square meters, equipped with cutting-edge workshops and the latest production technology. Acknowledged as a high-tech enterprise, we possess independent intellectual property rights, seamlessly integrating advanced management and production methodologies sourced globally. Our dynamic team, comprising over 150 committed professionals, includes 15% specialized R&D experts and 30% with graduate-level or higher education. We are steadfast in our commitment to innovation and superiority. Our top-notch production management and pioneering research empower us to manufacture a vast array of superior valves, serving the petrochemical, oil, and coal chemical sectors, with sales reaching an impressive milestone close to 100 billion in 2017.
SNT is proud to have acquired the esteemed TS special equipment manufacturing certificate and ISO 9001 certification, alongside prestigious net qualification credentials from industry titans like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Furthermore, we have secured numerous national patents for our groundbreaking technological innovations. Our vast capabilities enable us to design and produce a wide array of valves adhering to ANSI, API, DIN, BS, and JIS standards. By blending the advantages of globally acclaimed valve designs with our own pioneering research, we now offer a comprehensive range of valves including GLOBE, high-pressure boiler blow-down valves, high-performance butterfly valves, angle-regulating valves, eccentric rotary valves, and three-eccentric center butterfly valves.
Our diverse product lineup features V ball valves, high wear-resistant ball valves, high-pressure steam valves, micro-flow control valves, self-operated control valves, and cryogenic valves, available in manual, power-driven, pneumatic, and hydraulic drive formats. We utilize superior materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to 120", and operating pressures from ANSI 150# to 2500#. The extensive working temperature range (-196ºC to 1100ºC) ensures our valves meet the stringent requirements of diverse industrial applications.
Backed by sophisticated production technology management and a robust quality assurance system, SNT valves have been widely adopted across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power generation. Our distinguished clientele includes leading enterprises such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, SINOPEC Qingdao Refinery, SINOPEC Changling branch, and Jinan branch, among others.
At the heart of our mission lies our commitment to our customers' success, driving us to craft products of exceptional quality and forge a reputable brand. Our comprehensive quality assurance framework and outstanding after-sales support system ensure that SNT valves collaborate closely with our customers to foster mutual prosperity and forge enduring partnerships.
Address:
Shiao International 1602, Shinan District, Qingdao, Shandong, China
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, ISO 20000, IATF16949, HSE
Company Introduction:
SNT Machinery(Qingdao)Co., Ltd. Stands as a leading authority in control valve manufacturing. Based in the strategic hub of Qingdao, Shandong province, our sprawling 42, 000m² Facility is outfitted with cutting-edge workshops and advanced production equipment. As a high-tech enterprise, we take pride in owning independent intellectual property rights and implementing cutting-edge international management and production techniques. Our team of over 150 dedicated professionals includes 15% R&D specialists and 30% with graduate degrees or higher. This commitment to excellence and innovation enables us to produce a diverse array of top-tier valves, widely utilized across the petrochemical, oil, and coal chemical industries. In an impressive milestone, our sales neared 100 billion in 2017. SNT proudly holds the prestigious TS special equipment manufacturing certificate and ISO 9001 certification. We are honored to possess net qualification certificates from industry titans including SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has garnered us multiple national patents. We design and manufacture an extensive range of valves adhering to stringent ANSI, API, DIN, BS, and JIS standards. By merging the finest attributes of world-renowned valves with our innovative R&D, we offer a comprehensive portfolio featuring GLOBE Valves, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and beyond.
Our product lineup showcases V Ball Valves, High Wear-resistant Ball Valves, High-Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves, available in manual, electric, pneumatic, and hydraulic driving forms. We use premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120" in size, accommodating working pressures from ANSI 150# to 2500# and operating temperatures from -196º C to 1100º C. Utilizing our advanced production technology, precise management, and robust quality assurance systems, SNT valves earn trust across diverse industries including petrochemical, oil, steel, iron, paper manufacturing, and power stations. Our esteemed clientele features SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, among others. At SNT, we are devoted to maximizing customer profitability by consistently delivering superior quality and establishing a reputable brand. Our unwavering commitment to comprehensive quality assurance and exemplary after-sales services ensures that SNT valves cultivate enduring partnerships with our clients, driving mutual success and long-term prosperity.
