Super High Pressure Self-Operating Control Valve for Gas and Steam

Product Details
Customization: Available
Temperature: Ordinary Temperature
Certification: GS, CE, ISO9001
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  • Super High Pressure Self-Operating Control Valve for Gas and Steam
  • Super High Pressure Self-Operating Control Valve for Gas and Steam
  • Super High Pressure Self-Operating Control Valve for Gas and Steam
  • Super High Pressure Self-Operating Control Valve for Gas and Steam
  • Super High Pressure Self-Operating Control Valve for Gas and Steam
  • Super High Pressure Self-Operating Control Valve for Gas and Steam
Find Similar Products
  • 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
Lead Time
15 days (1 - 50 Pieces)
To be negotiated ( > 50 Pieces)

Product Description

Super High Pressure Self-Operating Control Valve for Gas and Steam
ZZY type self-operating pressure regulating valves are ingeniously designed to eliminate the need for external energy. By harnessing the power of the controlled medium itself, these valves introduce an actuator to precisely control the valve core position, thus altering the flow area. This dynamic adjustment enables the flow rate to be finely tuned, ensuring the pressure is perfectly stabilized both before and after the valve.



 
These valves are celebrated for their exceptionally sensitive operation, superior sealing capabilities, and minimal pressure fluctuations. They are indispensable in the realm of automatic control, providing unparalleled performance for pressure reduction and stabilization, as well as pressure relief and stabilization, across a diverse range of industrial equipment handling gas, liquid, and steam mediums.


Our company's series of these innovative valves come in three distinguished structures based on the valve core type: single-seat (P), sleeve (M), and double-seat (N). In addition, they are categorized into three types according to the actuator: diaphragm type, piston type, and bellows type. Each variant is meticulously crafted to offer optimal control and adaptability.
Super High Pressure Self-Operating Control Valve for Gas and Steam

Super High Pressure Self-Operating Control Valve for Gas and Steam
Operating Principle

For downstream pressure control (ZZYP-B type), the valve excels in pressure reduction and stabilization. Should the downstream pressure surpass the desired threshold, the valve instinctively closes, shutting off the flow. Conversely, when the pressure falls below the set value, the valve remains open, ensuring consistent pressure compensation.

In upstream pressure control (ZZYP-K type), the valve functions as a guardian, offering safety pressure relief and stabilization. When upstream pressure exceeds the set threshold, the valve opens wide, providing immediate pressure release. If the pressure is below the desired level, the valve remains closed, preserving system integrity.

Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam



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

The ZZYP-II series nitrogen sealing device is a pioneering self-operating micro-pressure control system, exclusively developed by our company. Its primary mission is to maintain constant pressure of protective gases, typically nitrogen, atop storage tanks. This ingenious system prevents harmful contact between tank contents and air, curbing evaporation and oxidation, while safeguarding container safety.
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam

Perfectly suited for the gas sealing protection of expansive storage tanks, this product stands out for its energy efficiency, sensitivity, and reliability. It is user-friendly in operation and maintenance, making it a sought-after solution in industries including petroleum and chemical engineering.

Requiring no external energy, this device operates independently without electricity or gas, making it not just energy-efficient and cost-effective, but also remarkably convenient.

 
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam

The nitrogen sealing device facilitates effortless nitrogen supply and vent pressure setting, thriving even under continuous production conditions. The pressure detection diaphragm boasts a large effective area, paired with a finely calibrated setting spring, ensuring sensitive operation and seamless device performance.

To strengthen the safety of storage tanks, it is imperative to install a breather valve at the tank's apex. This valve exclusively serves a protective role, preventing frequent and wear-prone operations of nitrogen supply and vent valves that are common in traditional nitrogen sealing devices.
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam
 

Test and Detection Equipment

Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam

 

Super High Pressure Self-Operating Control Valve for Gas and Steam
SNT Machinery (Qingdao) Co., Ltd. remains steadfast in our commitment to the rigorous benchmarks of ISO9001 and API SPECQ. We meticulously craft and execute crucial control methodologies and state-of-the-art apparatus, featuring premium-grade inspection and testing equipment alongside top-tier process machinery. Our holistic strategy guarantees seamless integration and impeccable harmony throughout the stages of design, manufacturing, inspection, testing, installation, and service processes. Among our outstanding tools are cutting-edge material chemical composition analysis systems, sophisticated imported metal spectrum analyzers, versatile universal tool microscopes, and comprehensive mechanical performance re-inspection capabilities.
Augmenting our expertise is a thorough array of cutting-edge nondestructive inspection equipment, including RT, UT, MT, and PT, backed by a team of certified nondestructive testing inspectors. Furthermore, we offer an impressive selection of pressure test equipment in various sizes, state-of-the-art low-temperature test apparatus, helium mass spectrometer leak detectors, and other advanced testing machinery. Our extensive testing suite covers low emission helium mass spectrometer testing, rigorous high-pressure gas testing, precise vacuum testing, exhaustive fatigue testing, and meticulous degreasing testing, all dedicated to upholding the highest quality standards.
Super High Pressure Self-Operating Control Valve for Gas and Steam
 

Production application


Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam

Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam


 
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam
Super High Pressure Self-Operating Control Valve for Gas and Steam

Company Profile

SNT Machinery (Qingdao) Co., Ltd. is a prestigious leader in the creation of advanced control valves, offering an integrated suite of manufacturing, design, sales, and service. Nestled in the dynamic city of Qingdao, Shandong province, our sprawling 42,000-square-meter facility is equipped with cutting-edge workshops and production equipment. As a recognized high-tech enterprise, we boast ownership of independent intellectual property rights, adopting cutting-edge management and production methodologies from global fronts. Our team exceeds 150 skilled professionals, with 15% devoted to R&D and 30% holding graduate degrees or higher. Distinguished by our dedication to innovation and quality, we produce a vast array of premier valves for industries such as petrochemical, oil, and coal chemicals, reaching a monumental sales milestone nearing 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 titans SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our technological prowess has garnered numerous national patents. We possess the capability to design and manufacture a broad array of valves adhering to ANSI, API, DIN, BS, and JIS standards. By blending renowned global valve designs with our innovative research, we produce an extensive variety 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 lineup includes V ball valves, high wear-resistant ball valves, high pressure steam valves, micro-flow control valves, self-operated control valves, and cryogenic valves, offered in manual, power-driven, pneumatic, and hydraulic drive configurations. Crafted from premium materials such as A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, our valves range in specifications from 1/2" to 120", with operating pressures from ANSI 150# to 2500#. The vast operating temperature range (-196ºC to 1100ºC) ensures suitability across diverse industrial applications.

Armed with state-of-the-art production technology management and a comprehensive quality assurance system, SNT valves are widely deployed across sectors such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our distinguished clientele includes industry leaders like 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 as our primary goal, we are dedicated to delivering exceptional quality and a distinguished brand. Our robust quality assurance and outstanding after-sales systems ensure that SNT valves foster partnerships with our clients, creating mutual success and long-lasting relationships.

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