User-Friendly Cage Guided Multi-Stage Limiphon Control Valves for Easy Installation with Stainless Steel Materials

US$200.00 - 5,000.00 1 Piece (MOQ)
Port:
Qingdao, China
Production Capacity:
500000PCS/Year
Payment Terms:
L/C, T/T, D/P, Western Union, Paypal

Last Login Date:

Sep 15, 2025

Main Products:

Ball Valves, Control Valves, Gate Valves, Butterfly Valves, Pneumatic Actuators, Self-Operated Valves, High Pressure and High Temperature Valves

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Product Description

Company Info

Basic Info.

Model NO.
AOC-9000
Temperature
High Temperature
Certification
GS, CE, ISO9001
Media
Steam
Standard
Standard
Connection Mode
Flange
Power
Pneumatic
Material
Stainless Steel
Type
Single Seater
Body Size
1''-36''(900A)
Body Rating
ANSI Class 150-2500
Fluid Temperature
-196~+566 Degree
Connection
Flanged(RF, Rtj)/Butt Weld, Socket Weldsw, Bw
Trim Materials
A216wcb/C, A217 Wc6/9, A351CF8, A351 CF8, A105
Range-Ability 1
50:1-100:1
Range-Ability 2
Linear, Modified Linear, Modified EQ%
Leakage
Cvx0.01% ANSI Class IV, V or Mss-Sp-61
Metal Seat
ANSI Class VI
Soft Seat
ANSI Class VI
Trim Levels
up to Level 40
Actuator Combination 1
1-X280: Pneumatic Diaphragm Actuator
Actuator Combination 2
1-X250 Pneumatic Diaphragm Actuator
Actuator Combination 3
Pneumatic Cylinder Actuator
Working Medium
Steam/Liquid
Trademark
SNT
Transport Package
Woodne
Origin
China
HS Code
8481804090

Product Description

About products

In the demanding realm of high-temperature and high differential pressure services, the SNT User-Friendly Cage Guided Multi-stage Limiphon Control Valves excel with precision control and extend their lifespan significantly. They effectively eliminate concerns of cavitation erosion and noise problems, ensuring a reliable performance, whether dealing with compressive or non-compressive fluids. This series offers multiple advantages, notably enhanced performance and durability, which lead to reduced maintenance costs and a streamlined system. Without the need for additional components like diffusers and silencers, the overall equipment expense is reduced. Choose from models 6862, 7500, or 9000, tailored to fit specific fluid conditions, allowing for optimal function and cost effectiveness.

The innovative multi-stage pressure-reducing labyrinth control valve features a core throttling component crafted from multiple stacked metal discs intricately designed with labyrinth grooves. As fluid navigates through these channels, it experiences numerous collisions and turns, effectively dissipating energy and controlling flow rate while methodically reducing pressure. Ideal for environments with high temperature and pressure drops, these valves find their place in nuclear power and power plants, handling mediums like superheated steam and, at times, liquid mediums too.



Product Description
Body typeAOC-9000
Body size1''-36''(900A)
Body ratingANSI 150-2500
Fluid temperature-196~+566ºC
Connections(RF,RTJ), (SW,BW)Flanged (RF,RTJ),Butt Weld,Socket Weld
Body materialsA216 WCB/C,A217 WC6/9,A352 LCB/C,A351 CF8,A351 CF8M,A105,F11,F22,etc.
Trim materialsAISI 410SS+HF,17-4PH H900,SUS316+STL,INCONEL,A182 F6NM+HF,etc.
Range-ability50:1-100:1
Range-abilityLinear,Modified Linear,Modified EQ%
Metal seat/Soft seat LeakageCv×0.01% ANSI Class IV,V or MSS-SP-61 ANST CLASS VI
Trim LevelsUp to Level 40


Actuator combination
1-X280:  Pneumatic Diaphragm Actuator
1-X250:  Pneumatic Diaphragm Actuator
1-X400:  Pneumatic Cyilnder Actuator
 
Product Feature

High Control Precision
The internal components of the valve are meticulously engineered using advanced CFD fluid dynamics software simulations. These components undergo rigorous professional software analysis and calculations, validated through extensive experimental research, to ensure they meet stringent process requirements. The flow characteristics of the valve comply with the prestigious international standard IEC 60534, guaranteeing exceptional performance.

Comprehensive Product Specifications

The product range is remarkably extensive, catering to high, medium, and low series, with specialized series designed for unique conditions. This versatility ensures the product can seamlessly adapt to diverse working environments and fulfill various control performance requirements. It achieves this flexibility by allowing the easy replacement of different types of internal components, ensuring compatibility across a wide spectrum of industrial applications.

 

Independent Core Control Technology
Boasting a suite of high-pressure difference control technologies, this valve is adept at meeting the special demands of varied conditions. Mastery over key component hardening process technology significantly boosts product performance and reliability. Additionally, the valve features a secure and dependable internal and external sealing structure that adheres to international standards such as TA-Luft/ISO 15848, ensuring both safety and efficacy in operation.

 
Test and Detection Equipment

 


Our company, SNT Machinery (Qingdao) Co., Ltd., adheres strictly to the prestigious ISO9001 and API SPECQ standards. We meticulously determine and prepare essential control methods, processes, and equipment-encompassing inspection and testing tools as well as process apparatuses. This dedication ensures that every aspect of design, manufacturing, inspection, testing, installation, and service seamlessly integrates with the entire system, guaranteeing their utmost completeness and compatibility. Proudly, our facility is equipped with advanced material chemical constituent analysis equipment, state-of-the-art imported metal spectrum analyzers, versatile universal tool microscopes, and comprehensive mechanical performance re-inspection capabilities.

At SNT Machinery, we are committed to excellence in quality assurance with a robust suite of nondestructive inspection equipment. Our arsenal includes RT, UT, MT, PT, among others, operated by highly qualified inspectors holding nondestructive inspection certifications. Furthermore, our expansive array of testing devices includes pressure test equipment in various sizes, low-temperature test apparatus, and precision helium mass spectrometer leak detectors. These tools enable us to conduct thorough low emission helium mass spectrometer tests, high-pressure gas evaluations, vacuum testing, fatigue assessments, and meticulous degreasing examinations, ensuring reliability and safety in every product.

 

Technical R&D and Design

To elevate our prowess in product innovation, SNT Machinery (Qingdao) Co., Ltd. has proudly established the cutting-edge SNT Technical R&D Center. Here, a powerhouse team of over 20 elite technical professionals, including three esteemed senior engineers, tirelessly pursue the creation of groundbreaking solutions that align with market needs. They achieve this by enhancing our existing offerings, utilizing both national and international state-of-the-art scientific research facilities.

We integrate globally recognized standards such as ASME, API, DIN, GB, JB, and SH in our design processes. Leveraging advanced design, calculation, and analysis software like CAD, SOLIDWORKS, ANSYS, and CFD, we meticulously assess pressure-bearing capabilities, stress concentrations, and deformation potentials of all pressure components. This rigorous approach ensures the utmost safety and reliability of our pioneering products.


 
Test and Detection Equipments

Comprehensive Range: LT Impact Testing Machine, UT Test Equipment, and MT Test Equipment
 


Innovative Solutions: RT Test Equipment, PT Test Equipment, and Advanced Metallurgical Microscope

Precision and Accuracy: Hardness Test Equipment

 
Cutting-edge Production and Manufacturing Systems

High-Precision CNC Lathe for Superior Craftsmanship Versatile Internal and External Grinding Machine for Exceptional Quality Efficient Plasma Welding Machine for Seamless Joints
 
Robust 4m Stem Processing Equipment for Impeccable Structures Precision CNC Wire Cutting for Detailed Fabrication Advanced CNC Drilling and Milling Equipment for Enhanced Performance



 
Production application


 
Company Profile

SNT Machinery (Qingdao) Co., Ltd is a prestigious manufacturer of cutting-edge control valves, seamlessly integrating manufacturing, design, sales, and services under one roof. Strategically located in Qingdao, Shandong province, our sprawling 42,000 square meter facility is outfitted with state-of-the-art workshops and production equipment. An esteemed high-tech enterprise, we boast independent intellectual property rights coupled with advanced imported management and production expertise. Our dynamic team of over 150 dedicated professionals includes 15% R&D specialists and 30% graduates or higher degree holders. Through the synergy of a top-notch production management team and pioneering R&D, we produce premium valves extensively utilized in petrochemical, oil, and coal chemical sectors, achieving remarkable sales nearing 100 billion in 2017.

SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001, alongside prestigious net qualification certificates from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Our innovative prowess is recognized by National Patents in numerous technologies. We design and fabricate an extensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By synthesizing the strengths of globally renowned valves with our independent R&D, we offer a comprehensive array of valves, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves.
Our product lineup also features T Three-eccentric Center Butterfly Valves, V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, and Cryogenic Valves. Our diverse driving options encompass manual operation, power-driven, pneumatic, and hydraulic drives. We employ premium materials like A216 WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Our specifications range from 1/2" to 120", accommodating working pressures from ANSI 150# to 2500#, and temperatures from -196ºC to 1100ºC.

Leveraging our cutting-edge production technology management and robust quality assurance system, SNT Valves are extensively deployed across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes SINOPEC QILU Branch, SINOPEC Qingdao Branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi Branch, PETROCHINA Ningxia Branch, and more, highlighting our significant market presence.

Prioritizing customer profitability, we are committed to fostering outstanding quality and a distinguished brand. Our impeccable quality assurance and comprehensive after-sales systems ensure that SNT Valves collaborate with all our clients, paving the path to shared success and prosperity.


 
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