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
Imagine a revolutionary solution in industrial pressure management with the ZZY type self-operating pressure regulating valves. These cutting-edge valves eliminate the need for external energy by ingeniously harnessing the energy of the controlled medium as their power source. By introducing an advanced actuator, they precisely control the valve core position, dynamically adjusting the flow area. This innovative mechanism ensures meticulous regulation of flow rates, thereby achieving unwavering pressure stabilization before or after the valve with unparalleled efficiency.
These valves stand out with their exceptional features: incredibly sensitive operation, superior sealing capabilities, and remarkable stability with minimal pressure fluctuation. They are indispensable in the realm of automatic control, playing a pivotal role in pressure reduction and stabilization, or pressure relief and stabilization for gas, liquid, and steam mediums across a diverse range of industrial equipment.
Our meticulously crafted product series is categorized based on the valve core type into single-seat (P), sleeve (M), and double-seat (N) structures. Moreover, the series offers three distinct actuator types: the reliable diaphragm type, the robust piston type, and the adaptable bellows type, ensuring tailored solutions for every industrial need.
Operating Principle
When deployed for controlling downstream pressure (ZZYP-B type), this valve showcases its impressive capabilities in pressure reduction and stabilization. Should the downstream pressure exceed the desired set value, the valve instinctively moves towards closure, eventually sealing off to prevent excess. Conversely, when the pressure dips below the set value, the valve remains open, efficiently compensating and maintaining optimal pressure levels.
When serving as a guardian of upstream pressure (ZZYP-K type), this valve excels in delivering the critical functions of safety pressure relief and stabilization. When upstream pressure surpasses the established set value, the valve responds by opening fully, ensuring release and stabilization. If the pressure is beneath the set value, the valve remains firmly closed, maintaining secure and stable conditions.
Introducing the ZZYP-II series nitrogen sealing device, a pinnacle of self-operating micro-pressure control systems, meticulously developed and crafted by our company. This innovative device is engineered to sustain constant pressure of protective gas-primarily nitrogen-at the top of storage tanks. It acts as a guardian, preventing direct contact between stored materials and air, thereby averting material evaporation and oxidation, while ensuring the utmost safety of the containers.This device is the ideal solution for gas sealing protection in vast storage tanks, distinguishing itself with remarkable energy efficiency, exceptionally sensitive operation, unwavering reliability, and straightforward operation and maintenance. It is a trusted ally across various industries, including petroleum and chemical engineering, where safety and efficiency are paramount.
Designed with ultimate convenience in mind, this system operates independently without external energy sources, functioning seamlessly without electricity or gas. It embodies the perfect blend of convenience, energy conservation, and cost-effectiveness, making it an invaluable asset in any industrial setting. The nitrogen sealing device simplifies nitrogen supply and vent pressure settings, operating flawlessly under continuous production conditions. Equipped with a pressure detection diaphragm with an expansive effective area and a setting spring with minimal stiffness, it ensures highly sensitive operation for smooth and reliable performance.
To safeguard storage tanks, integrating a breather valve atop the tank is crucial. This safety component prevents the frequent and wear-prone activity of conventional nitrogen supply and vent valves, ensuring long-term reliability and security.Test and Detection Equipment
At SNT Machinery (Qingdao) Co., Ltd., we steadfastly uphold the prestigious benchmarks established by ISO9001 and API SPECQ. Our strategic approach encompasses the meticulous design and deployment of vital control methodologies and sophisticated equipment, which include top-tier inspection and testing gear, as well as high-efficiency process machinery. Our all-encompassing strategy ensures a seamless integration and flawless cohesion across design, manufacturing, inspection, testing, installation, and service phases. Our distinguished suite of tools is highlighted by cutting-edge material chemical composition analysis technology, advanced imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-assessment capabilities.
Elevating our proficiency is an extensive suite of cutting-edge nondestructive inspection equipment, featuring RT, UT, MT, PT, along with a highly skilled team of certified nondestructive testing inspectors. Furthermore, we proudly feature an outstanding collection of pressure test equipment in various sizes, cutting-edge low-temperature test devices, helium mass spectrometer leak detectors, and other advanced testing machinery. Our comprehensive testing portfolio includes low emission helium mass spectrometer analysis, stringent high-pressure gas evaluations, precision vacuum assessments, rigorous fatigue testing, and meticulous degreasing analysis, all dedicated to sustaining the highest quality standards.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd. shines as a premier manufacturer of control valves, harmonizing manufacturing, design, sales, and service into a unified operation. Nestled in the bustling city of Qingdao, Shandong province, our sprawling 42,000-square-meter facility is equipped with advanced workshops and cutting-edge production equipment. Celebrated as a high-tech enterprise, we possess independent intellectual property rights and have integrated international management and production practices. With a vibrant team of over 150 professionals, including 15% specializing in R&D and 30% with graduate degrees, we excel in innovation and excellence. Our top-tier production management and trailblazing research have empowered us to deliver a wide array of premium valves for the petrochemical, oil, and coal chemical industries, reaching a remarkable sales milestone of nearly 100 billion in 2017.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 certification, along with esteemed net qualification certificates from industry leaders like SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. In addition, we have secured numerous national patents for our technological advancements. Our extensive capabilities enable us to design and manufacture a wide range of valves according to ANSI, API, DIN, BS, and JIS standards. By combining the strengths of renowned global valve designs with our own innovative research, we produce a diverse 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 range 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 utilize top-tier materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications spanning 1/2" to 120", and operating pressures from ANSI 150# to 2500#. The broad operating temperature range (-196ºC to 1100ºC) ensures our valves cater to a variety of industrial applications.
With state-of-the-art production technology management and a robust quality assurance system, SNT valves have been extensively deployed across petrochemical, oil, steel & iron, paper manufacturing, and power station industries. Our distinguished clientele includes industry titans 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 forefront, we pledge to create exceptional quality and a reputable brand. Our comprehensive quality assurance and outstanding after-sales systems ensure SNT valves collaborate with our clients to forge 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.
