Basic Info.
Temperature
Ordinary Temperature
Certification
GS, CE, ISO9001
Media
Gas, Oil, Water, Acid
Connections
Sw/Bw/Butt Weld/Socket Weld
Trim Materials
SUS316/SUS316+Stellite/SUS316+Tfe
Flow Characteristics
Linear, EQ%, on-off
Metal Seat Leakage
Cvx 0.01% ANSI Class IV.V.Vhs
Soft Seat Leakage
Microbubble Level ANSI Class VI
Actuator Combination
Pneumatic Diaphragm Actuator
Body Bolt for Carbon Steel Material
A193 B7/SA193 B16/ SA479 Xm-19
Body Bolt for Stainless Steel Materials
A479 Xm-19/A193 B7
Core for Carbon Steel Materials
AISI 410 Nitriding Hardening/A479 316/A479 316L
Seat for Carbon Steel Materials
AISI 400 Hardening of Stainless Steel
Seat for Stainless Steel Materials
A479 316L/A479 316+Stellite
Valve Sleeve Materials
ANSI 410 Nitriding Hardening/A479 316chromeplate
Transport Package
Plywood Case
Product Description
Specifications
Body Type | 6843Globe Type 6843 Angle Type | 6843L/X Globe Type 6843L/X Angle Type | 6843D/E/M Globe Type 6843D/E/M Angle Type |
Body Size | 3/4''(20A)-24''(600A) | 3/4''(20A)-24''(600A) | 3/4''(20A)-24''(600A) |
Plug Size | 3/8''(9A)-24''(600A) | 3/8''(9A)-24''(600A) | 3/8''(9A)-24''(600A) |
Body Rating | ANSI 150-2500 | ANSI 150-2500 | ANSI 150-2500 |
Fluid Temperature | -196~+566 degree | -196~+566 degree | -196~+566 degree |
Connections | RF,RTJ/ SW, BW Flanged(RF, RTJ), But Weld, Socket Weld. |
Body Materials | A216WCB/C, A217WC6/9, A352 LCB/C, A351CF8M,etc |
Tirm Materials |
Range-ability | 50:1-30:1 | 30:1-50:1 | 30:1-50:1 |
Flow Characteristics | LINEar, EQ%, On-Off | LINER, EQ%, On-Off | LINER, EQ%,On-Off |
Metal Seat Leakage/Soft Seat Leakage | Cvx0.01% ANSI Class IV. V.VHS ANSI CLASS VI |
ANSI CLASS VI |
Actuator Combination | 1-X280: Pneumatic Diaphragm Actuator 1-X250: Pneumatic Diaphragm Actuator 1-X400: Pneumatic Cyilnder Actuator |
STANDARD SPECIFICATION--BODY
Product Description
Type | Unblanced spool and Ball type straight through single seat |
Body Size | NPS3/4''-16''(DN20-DN400) |
Plug Form | Plunger type |
Flow to | Flow to open or Flow to close |
Characterisitics | LINEAR |
Body connections | ANSI, EN, RF, RTJ ANSI B16.25 BW UNI EN 12627 BW |
Bonnet type | Standard: -29degree~230 degree Radiating type:-55 degree~566 degree Cryogenic:-196 degree~55 degree |
Packing | Nylon fiber reinforced type: ≤250ºC-150bar Flexible pure graphite packing combination, No actual temperature limited( oxidation medium the highest temperature is 250ºC) |
Leakage class | conform to IEC60534-4, Unblanced valve spool structure can be the highest VI at the highest temperature. |
Face to Face Dimension
Standard Material Combination
Body and Bonnet Disc Spring Gasket. Additional Valve Body and Bonnet Gasket. Valve Rating CV - Trip Reference Table
Valve Body Dimensions and WeightThe specific size can be tailored to meet your distinct requirements.
Valve Weight
The valve cover weight specified is standard. For high-temperature applications, please contact us for further assistance.
About Control Valves
Qingdao Xishuo Electric Manufacturing Co., Ltd. boasts over two decades of pioneering expertise in developing and producing straight-through control valves. Renowned for their high precision, stable performance, and reliable quality, these valves have been successfully integrated across diverse service lines. Our products are meticulously categorized into various series according to pressure, temperature, and physicochemical characteristics. Widely embraced in industries such as petroleum, chemical, light industry, pharmaceuticals, paper-making, metallurgy, and power generation, they are vital to automatic industrial instrumentation systems. In recent years, SNT VALVE has proudly earned national and provincial accolades, and our products are gradually replacing foreign-imported valves in critical service lines.
Exemplary Control Precision
Harnessing the power of advanced CFD hydrodynamics software, the design of our valve trims is executed with precision. Every process requirement is achieved through rigorous analysis, calculation, and testing, ensuring that our flow characteristics comply with the IEC 60534 standard.
Proprietary Core Control Technology
Our comprehensive high-pressure drop control technology caters to the unique needs of various service lines. Through mastering hardening treatments for key components, we enhance the product's performance and reliability.
Our meticulous design in both internal and external sealing adheres to the stringent requirements of the TA-Luft/ISO 15848 standard.
Extensive Specifications
Our product range encompasses high, medium, and low pressure series valves, including specialty valves. Exceptional Versatility
is achieved through the ability to interchange valve trims, allowing adaptation to different service lines.
Production application
Company Profile
SNT Machinery (Qingdao) Co., Ltd stands at the forefront of control valve production, seamlessly blending manufacturing, design, sales, and service into a singular, cohesive unit. With a robust foundation for rapid development, SNT is strategically situated in the vibrant city of Qingdao, Shandong province, sprawling across an impressive 42,000m². Our facility boasts cutting-edge workshops and state-of-the-art production equipment. Recognized as a high-tech enterprise, we hold independent intellectual property rights, enhanced by the infusion of advanced imported management and production methodologies. Our talented workforce of over 150 includes 15% dedicated R&D specialists and 30% with graduate or higher degrees. Driven by a commitment to quality and innovation, we produce a vast array of superior valves for the petrochemical, oil, and coal chemical sectors, achieving nearly 100 billion in sales in 2017.
SNT proudly holds the TS special equipment manufacturing certificate and ISO 9001 certification. We are also recognized with network qualification certificates from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM, along with national patents for numerous technologies. Our capabilities extend to designing and manufacturing an extensive range of valves adhering to ANSI, API, DIN, BS, and JIS standards. By integrating the strengths of renowned global valves with our proprietary R&D, we craft a diverse range of valves, including GLOBE, High-Pressure Boiler Blow-down Valves, High-Performance Butterfly Valves, Angle-Regulating Valves, and Eccentric Rotary Valves, to name a few.
Our product lineup features Valves such as 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 valves offer various drive forms including manual, power-driven, pneumatic, and hydraulic options. We utilize premier materials like A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M. Specifications range from 1/2" to 120", with operating pressures from ANSI 150# to 2500#, and temperatures spanning from -196ºC to 1100ºC.
Capitalizing on our advanced production technology management and stringent quality assurance systems, SNT valves are trusted across industries such as petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our esteemed clientele includes prominent branches of SINOPEC, CNOOC, and PETROCHINA, affirming our reputation for excellence and reliability.
Placing customer profitability at the heart of our mission, we are dedicated to cultivating exceptional quality and a distinguished brand. Our comprehensive quality assurance and after-sales service systems ensure that SNT valves not only meet but exceed customer expectations, paving the way for mutual prosperity and success.
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.