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
The ZZY type self-operating pressure regulating valves are marvels of engineering that forgo the need for any external energy source. By harnessing the energy of the controlled medium itself, these valves ingeniously use an actuator to adjust the valve core position, thereby modulating the flow area. This sophisticated mechanism enables the precise regulation of flow rates to ensure pressure stability either before or after the valve - a testament to its autonomous prowess.
Characterized by their exceptional sensitivity, airtight sealing, and negligible pressure fluctuations, these valves are pivotal in the realm of automatic control. They are the go-to solution for pressure reduction and stabilization, as well as pressure relief and stabilization, across a variety of mediums including gas, liquid, and steam in diverse industrial applications. Their versatility and reliability make them indispensable in maintaining operational integrity.
Our company's offerings in this esteemed series are meticulously crafted into three distinct valve core structures: single-seat (P), sleeve (M), and double-seat (N). Furthermore, these valves are categorized by actuator types, available in diaphragm, piston, and bellows configurations. This diversity ensures an optimal match for any specific application, ensuring peak performance and adaptability in demanding environments.
Operating Principle
Optimally engineered for managing downstream pressure (ZZYP-B type), these valves excel in pressure reduction and stabilization. Should the downstream pressure surpass the desired threshold, the valve instinctively moves towards closure, culminating in a complete shut-off. Conversely, if the pressure drops below the set point, the valve remains open, adeptly compensating to restore equilibrium.
For upstream pressure management (ZZYP-K type), these valves are paramount for safety pressure relief and stabilization. In scenarios where the upstream pressure exceeds the designated limit, the valve promptly opens fully, safeguarding the system. If the pressure falls below the set point, it remains securely closed, preserving the system's integrity.
Introducing the pioneering ZZYP-II series nitrogen sealing device, a self-operating micro-pressure control marvel, proudly conceived and manufactured by our company. This innovative system is designed to maintain consistent pressure of protective gases, typically nitrogen, atop storage tanks. This crucial feature prevents the undesirable interaction between the tank's contents and atmosphere, thereby safeguarding against evaporation and oxidation, and enhancing container safety.Perfectly tailored for the gas sealing protection needs of large storage tanks, this product epitomizes energy efficiency and operational finesse. It is revered for its sensitive operation, dependable performance, and user-friendly maintenance. Widely adopted across industries like petroleum and chemical engineering, it stands as a paragon of industrial protection.
Revolutionizing the market with its energy-independent design, this device operates seamlessly without the need for electricity or gas. This not only underscores its convenience and eco-friendliness but also translates to significant cost savings, making it an economical choice for cutting-edge industrial operations. The nitrogen sealing device is engineered for effortless nitrogen supply and vent pressure calibration, thriving even under continuous production conditions. Its pressure detection diaphragm boasts a substantial effective area, while the setting spring exhibits minimal stiffness. This combination results in highly sensitive operation and smooth, reliable device performance.
To uphold the utmost safety of storage tanks, installing a breather valve at the tank top is imperative. Serving strictly a safety role, this valve prevents the frequent wear-inducing operations of traditional nitrogen sealing devices' supply and vent valves, ensuring longevity and reliability.Test and Detection Equipment
SNT Machinery (Qingdao) Co., Ltd. embodies an unwavering commitment to excellence, adhering diligently to the prestigious benchmarks set by ISO9001 and API SPECQ. Through strategic innovation, we craft essential control methodologies and sophisticated apparatuses. Our dedication to premium quality is reflected in our elite inspection and testing equipment, alongside top-tier process machinery, ensuring flawless integration and impeccable compatibility in every phase - from design and manufacturing to inspection, testing, installation, and service. Our outstanding selection of tools includes advanced material chemical composition analysis technology, sophisticated imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities.
Elevating our expertise is an extensive range of state-of-the-art nondestructive inspection equipment, featuring RT, UT, MT, PT, and a team of certified nondestructive testing inspectors. We also pride ourselves on an impressive selection of pressure test equipment in diverse sizes, cutting-edge low-temperature test apparatus, helium mass spectrometer leak detectors, and other advanced testing machinery. Our comprehensive testing suite includes low emission helium mass spectrometer testing, rigorous high-pressure gas testing, precision vacuum testing, exhaustive fatigue testing, and meticulous degreasing testing. All these efforts are devoted to upholding the highest quality standards in everything we do.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. emerges as a trailblazer in the realm of control valve production, seamlessly intertwining manufacturing, design, sales, and service into a unified, cohesive operation. Nestled in the bustling city of Qingdao, Shandong province, our sprawling 42,000-square-meter facility boasts cutting-edge workshops and advanced production equipment. As a recognized high-tech enterprise, we hold independent intellectual property rights and have embraced avant-garde management and production technologies from global experts. Our vibrant team comprises over 150 dedicated professionals, with 15% as specialized R&D experts and 30% holding graduate or higher degrees, fueling our passion for innovation and excellence. Our top-tier production management and pioneering research have empowered us to craft a diverse array of premium valves for the petrochemical, oil, and coal chemical sectors, reaching an impressive sales milestone close to 100 billion in 2017.
SNT has proudly secured the prestigious TS special equipment manufacturing certificate and ISO 9001 certification, complemented by elite net qualification certificates from industry titans such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Moreover, our technological prowess has been recognized with numerous national patents. Our extensive capabilities enable us to design and manufacture a comprehensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By blending the excellence of renowned global valve designs with our innovative research, we produce a vast array 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 extensive product portfolio includes 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 forms. We employ premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications ranging from 1/2" to an impressive 120", and operating pressures from ANSI 150# to a robust 2500#. The wide-ranging working temperature spectrum (-196ºC to 1100ºC) ensures our valves effectively meet the diverse demands of industrial applications.
Armed with advanced production technology management and a formidable quality assurance system, SNT valves are extensively utilized across the petrochemical, oil, steel & iron, paper manufacturing, and power station sectors. Our esteemed clientele features 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.
Placing our customers' success at the pinnacle of our priorities, we are devoted to crafting exceptional quality and establishing a reputable brand. Our comprehensive quality assurance and exemplary after-sales systems ensure that SNT valves create a symbiotic relationship with our customers, fostering mutual prosperity and 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.
