Self-Operating Control Valve for High Pressure Liquid and Gas Flow

Product Details
Customization: Available
Temperature: Ordinary Temperature
Certification: GS, CE, ISO9001
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  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
  • Self-Operating Control Valve for High Pressure Liquid and Gas Flow
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

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
The ZZY type self-operating pressure regulating valves are marvels of engineering that effortlessly harness the energy of the controlled medium as their sole power source. These sophisticated valves employ an actuator to deftly maneuver the valve core position, dynamically altering the flow area. This ingenious mechanism thus fine-tunes the flow rate, ensuring a consistent and stable pressure either before or after the valve, all without the need for any external energy.



 
Featuring impressively sensitive operation and exceptional sealing capabilities, these valves exhibit minimal pressure fluctuations. They shine as indispensable components in the realm of automatic control, deftly managing pressure reduction and stabilization or pressure relief and stabilization. Their versatility makes them ideally suited for handling gas, liquid, and steam mediums across a diverse array of industrial equipment.


In the distinguished series produced by SNT Machinery (Qingdao) Co., Ltd., our products are meticulously categorized based on the valve core type into single-seat (P), sleeve (M), and double-seat (N) structures. Furthermore, they are designed with three distinct actuator types: diaphragm, piston, and bellows, catering to a wide spectrum of operational needs and preferences.
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Operating Principle

When deployed for managing downstream pressure, the ZZYP-B type valves excel in their roles of pressure reduction and stabilization. Should the downstream pressure exceed the predetermined set value, the valve instinctively begins to close, ultimately shutting off. Conversely, when the downstream pressure falls below the desired set value, the valve opens to make amends, effortlessly balancing the pressure.

For the task of controlling upstream pressure, the ZZYP-K type valves stand out with their adept skills in safety pressure relief and stabilization. As the upstream pressure surpasses the designated set value, the valve strategically opens and fully opens to alleviate the pressure. When the upstream pressure dips beneath the set threshold, the valve discreetly remains closed, ensuring stability.

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow



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

The pioneering ZZYP-II series nitrogen sealing device, a self-operating micro-pressure control system, is a testament to the ingenuity and independence of our company's development efforts. It plays a crucial role in maintaining a stable pressure of protective gas, typically nitrogen, atop storage tanks. This innovative system prevents direct exposure of the tank contents to air, thereby safeguarding against material evaporation and oxidation, while guaranteeing container safety.
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

Perfectly suited for gas sealing protection systems of extensive storage tanks, this product exemplifies energy efficiency and operational sensitivity. Its reliable performance and simplicity in operation and maintenance make it a popular choice in industries such as petroleum and chemical engineering, where precision and safety are paramount.

Revolutionizing convenience, this device requires no external energy sources, operating efficiently without electricity or gas. Its energy-saving nature and cost-effectiveness make it an incredibly practical choice for modern industrial applications.

 
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

The nitrogen sealing device is a model of ease, allowing for straightforward nitrogen supply and vent pressure setting. It seamlessly operates under continuous production conditions, thanks to its large effective area pressure detection diaphragm and low spring stiffness. The device's sensitive operation and smooth functionality ensure flawless performance time and again.

To uphold the utmost safety of the storage tank, a breather valve is mandatory at the tank's apex. Serving a singular safety purpose, this valve circumvents the frequent and wear-inducing opening and closing associated with traditional nitrogen supply and vent valves, thereby significantly enhancing the longevity and reliability of the nitrogen sealing devices.

Test and Detection Equipment

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

 

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
SNT Machinery (Qingdao) Co., Ltd. stands firm in our commitment to maintaining the esteemed benchmarks established by ISO9001 and API SPECQ. We meticulously design and implement essential control methodologies complemented by sophisticated apparatuses, including premier inspection and testing equipment, alongside high-caliber process machinery. This holistic approach ensures seamless integration and faultless compatibility throughout the design, manufacturing, inspection, testing, installation, and service phases. Our exceptional suite of tools is distinguished by state-of-the-art material chemical composition analysis technology, top-tier imported metal spectrum analyzers, versatile universal tool microscopes, and robust mechanical performance re-inspection capabilities.
Elevating our expertise is a comprehensive suite of advanced nondestructive inspection equipment, including RT, UT, MT, PT, along with a team of certified specialists in nondestructive testing. Furthermore, we showcase an extraordinary range of pressure test equipment in diverse sizes, cutting-edge low-temperature test apparatus, helium mass spectrometer leak detectors, and other sophisticated testing machinery. Our exhaustive testing lineup features low emission helium mass spectrometer testing, rigorous high-pressure gas testing, precision vacuum testing, thorough fatigue testing, and meticulous degreasing testing, all steadfastly dedicated to upholding the highest quality standards.
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
 

Production application


Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow


 
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow
Self-Operating Control Valve for High Pressure Liquid and Gas Flow

Company Profile

SNT Machinery (Qingdao) Co., Ltd. is a prestigious leader in the control valve industry, perfectly merging manufacturing, innovative design, strategic sales, and exceptional service into one seamless entity. Nestled in the bustling city of Qingdao, within the thriving Shandong province, our expansive 42,000-square-meter facility is equipped with cutting-edge workshops and state-of-the-art production technologies. As a high-tech enterprise, we proudly possess independent intellectual property rights and have embraced avant-garde management and production techniques from global frontrunners. Our dynamic team of over 150 professionals includes 15% specialized R&D experts and 30% with advanced degrees, embodying our commitment to innovation and excellence. Our elite production management team and groundbreaking research have empowered us to craft a vast array of premium valves tailored for the petrochemical, oil, and coal chemical industries, reaching an impressive sales milestone of nearly 100 billion in 2017.

SNT is proud to have achieved the TS special equipment manufacturing certificate and ISO 9001 certification, along with esteemed net qualification certificates from industry titans such as SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. We have also garnered numerous national patents for our technological innovations. Our extensive capabilities enable us to design and manufacture a diverse range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By harmoniously blending the advantages of renowned global valve designs with our own pioneering research, we now produce an extensive 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 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 mechanisms. We utilize premium materials like A216WCB, A217 WC6/WC9, A351 CF8/CF8M/CF3/CF3M, with specifications spanning from 1/2" to 120" and operating pressures from ANSI 150# to 2500#. The extensive working temperature range (-196ºC to 1100ºC) ensures our valves excel in varied industrial applications.

Armed with advanced production technology management and a robust quality assurance system, SNT valves have been widely adopted across petrochemical, oil, steel & iron, paper manufacturing, and power station sectors. Our prestigious clientele includes industry-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.

Putting our customers' triumph as our paramount goal, we are resolutely committed to creating unparalleled quality and an esteemed brand. Our comprehensive quality assurance and exemplary after-sales systems ensure that SNT valves work in harmony with our customers to foster mutual prosperity and enduring partnerships.

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