Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

Product Details
Customization: Available
Temperature: Ordinary Temperature
Certification: GS, CE, ISO9001
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  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
  • Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
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  • Overview
  • Test and Detection Equipment
  • Production application
  • Company Profile
Overview

Basic Info.

Model NO.
AOC-3115
Media
Gas, Oil, Water, Acid
Standard
Standard
Connection Mode
Flange
Power
Pneumatic
Material
Stainless Steel
Type
Self-Operated
Medium Pressure
Above 6.4MPa
Nominal Pressure
Pn11-Pn42
Medium
Gas/Steam/Liquid
Operating Pressure
Super-High Pressure
Body Rating
ANSI600lb-ANSI2500lb
Actuator Type
Diaphragm/Plunger/Bellows
Connection Type
Flange/Bw Butt Welded
Transport Package
Wooden
Specification
110.00cm * 110.00cm * 90.00cm
Trademark
SNT
Origin
China
HS Code
8481804090
Production Capacity
500000PCS/Year

Packaging & Delivery

Package Size
1.07cm * 1.07cm * 1.04cm
Package Gross Weight
50.000kg

Product Description

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
The ZZY type self-operating pressure regulating valves are innovative devices that elegantly function without the need for any external energy. These valves harness the intrinsic energy from the controlled medium itself, utilizing it as a power source. They ingeniously introduce an actuator to dictate the valve core's position, altering the flow area with precision. This intelligent adjustment of the flow rate ensures consistent pressure stabilization, whether it is before or after the valve, maintaining seamless operation.



 
With their remarkably sensitive operation, exceptional sealing capabilities, and minimal pressure fluctuation, these valves are a formidable choice across various industrial contexts. They excel in the automatic control of pressure reduction and stabilization or pressure relief and stabilization for gas, liquid, and steam mediums, proving indispensable for modern industrial equipment.


Our esteemed series of products showcases superb versatility and customization. They are astutely categorized into single-seat (P), sleeve (M), and double-seat (N) structures, determined by the valve core type. Additionally, they are available in three distinct actuator types: diaphragm, piston, and bellows. This comprehensive range caters to diverse industrial needs, ensuring precision and adaptability.
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Operating Principle

When employed for downstream pressure control (ZZYP-B type), these valves perform the crucial functions of pressure reduction and stabilization. If the downstream pressure surpasses your set value (the desired parameter), the valve intuitively starts closing, eventually sealing off completely. Conversely, when the downstream pressure is below the set value, the valve remains open, effectively compensating for any pressure discrepancies.

For upstream pressure control (ZZYP-K type), these valves provide vital safety pressure relief and stabilization. Should the upstream pressure exceed the desired set value, the valve promptly responds by opening fully. However, if the upstream pressure is below the set threshold, the valve remains closed, ensuring safety and proper pressure maintenance.

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control



ZZYP-II Type Self-Operating Pressure Regulating Valve with Commander

Introducing the ZZYP-II series nitrogen sealing device, a groundbreaking self-operating micro-pressure control system exclusively developed by our company. This advanced solution is adeptly designed to uphold a constant pressure of protective gas, typically nitrogen, at the apex of storage tanks. By preventing direct interaction between stored materials and the ambient air, it mitigates risks of material evaporation, oxidation, and guarantees the safety of the container, setting a new standard in the industry.
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

This system is impeccably suited for gas sealing protection of sizable storage tanks. It showcases energy efficiency, intuitive operation, and reliable performance. Easy to operate and maintain, it finds widespread application in sectors such as petroleum and chemical engineering, cementing its status as a trusted choice among industry professionals.

Remarkably, this device operates without any need for external energy sources-no electricity or gas is required. This not only makes it user-friendly and convenient but also remarkably energy-efficient and cost-effective, aligning perfectly with modern sustainability goals.

 
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

The nitrogen sealing device is engineered for effortless nitrogen supply and vent pressure adjustments, perfectly accommodating continuous production conditions. Its pressure detection diaphragm boasts a large effective area, coupled with a delicately stiff spring, allowing for sensitive and smooth operation.

To fortify storage tank safety, a breather valve is requisite at the tank's summit. This breather valve strictly fulfills a safety role, preventing the frequent and wear-prone action of nitrogen supply and vent valves, thus prolonging the device's operational lifespan and reliability.

Test and Detection Equipment

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

 

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
SNT Machinery (Qingdao) Co., Ltd. remains steadfast in our commitment to the distinguished standards established by ISO9001 and API SPECQ. We meticulously engineer and deploy vital control systems and sophisticated equipment, encompassing top-tier inspection and testing apparatus, alongside high-efficiency process machinery. Our holistic approach ensures seamless fusion and impeccable alignment across the entire spectrum of design, manufacturing, inspection, testing, installation, and service procedures. Our outstanding selection of tools is equipped with pioneering material chemical composition analysis technology, sophisticated imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities, all crafted to deliver excellence.
Enhancing our domain expertise is a comprehensive suite of advanced nondestructive inspection equipment, featuring RT, UT, MT, PT, complemented by a team of certified nondestructive testing inspectors. Furthermore, we possess an impressive collection of pressure test equipment in diverse sizes, leading-edge low-temperature test devices, helium mass spectrometer leak detectors, and other state-of-the-art testing machinery. Our extensive testing lineup includes low emission helium mass spectrometer evaluations, rigorous high-pressure gas assessments, precision vacuum trials, exhaustive fatigue examinations, and meticulous degreasing tests, all dedicated to upholding the highest quality standards.
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
 

Production application


Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control


 
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control
Self-Operating Control Valve for Medium Pressure Gas and Liquid Control

Company Profile

SNT Machinery (Qingdao) Co., Ltd. emerges as a premier leader in the production of control valves, masterfully blending manufacturing, cutting-edge design, strategic sales, and unparalleled service into a seamless, unified enterprise. Nestled in the bustling metropolis of Qingdao, Shandong province, our impressive 42,000-square-meter facility is adorned with state-of-the-art workshops and advanced production equipment. Celebrated as a high-tech enterprise, we hold independent intellectual property rights and have embraced cutting-edge management and production innovations from global benchmarks. Our vibrant team, exceeding 150 passionate professionals, includes 15% specialized R&D experts and 30% with advanced degrees, underscoring our commitment to innovation and excellence. Our elite production management and pioneering research empower us to deliver an extensive array of premium valves for the petrochemical, oil, and coal chemical industries. We proudly achieved a monumental sales milestone nearing 100 billion in 2017.

SNT proudly holds the prestigious TS special equipment manufacturing certificate and the renowned ISO 9001 certification, along with esteemed net qualification certificates from industry luminaries such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has earned us numerous national patents. Our vast capabilities allow us to design and produce a comprehensive range of valves in strict compliance with ANSI, API, DIN, BS, and JIS standards. By harmonizing globally acclaimed valve designs with our groundbreaking research, we now offer an expansive selection 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. These are available in manual, power-driven, pneumatic, and hydraulic configurations. Crafted from premium materials such as A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, our valves range from 1/2" to 120" in size, with operating pressures from ANSI 150# to 2500#. The extensive operational temperature range (-196ºC to 1100ºC) ensures our valves meet the rigorous demands of various industrial applications.

At SNT, we are equipped with avant-garde production technology management and a robust quality assurance framework. Our valves are extensively deployed across the petrochemical, oil, steel & iron, paper manufacturing, and power station sectors. Our esteemed clientele includes industry leaders 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, along with other prestigious enterprises.

At the heart of SNT's mission is the success of our customers. We are committed to crafting products of exceptional quality and building a brand of illustrious repute. Our comprehensive quality assurance and exemplary after-sales systems are designed to ensure that SNT valves work hand in hand with our customers, creating mutual prosperity and enduring partnerships.

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