Customization: | Available |
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Temperature: | Ordinary Temperature |
Certification: | GS, RoHS, CE, ISO9001 |
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nominal diameter DN(mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |||||
rated flow coefficient KV | 5.8 | 11 | 12.5 | 20 | 32 | 50 | 80 | 125 | 160 | 320 | 450 | 630 | 900 | |||||
rated stroke (mm) |
8 | 10 | 12 | 15 | 18 | 20 | 30 | 40 | 45 | 60 | 65 | |||||||
nominal diameter DN(mm) | 20 (or G3/4'') | |||||||||||||||||
Valve seat diameter | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 12 | 15 | 20 | ||||||
rated flow coefficient KV | 0.02 | 0.08 | 0.12 | 0.20 | 0.32 | 0.5 | 0.80 | 1.20 | 1.80 | 2.80 | 4.0 | 5.8 | ||||||
nominal pressure PN | Mpa | 1.6, 2.5, 4.0,6.4(6.3) /2.0, 5.0, 11.0 | ||||||||||||||||
Bar | 16, 25, 40, 64(63)/20, 50, 110 | |||||||||||||||||
Lb | ANSI: Class150,Class300,Class600 | |||||||||||||||||
pressure segment range KPa | 15~50,40~80,60~100,80~140,120~180,160~220,200~260, 240~300,280~350,330~400,380~450,430~500,480~560, 540~620,600~700,680~800,780~900,880~1000,900~1200, 1000~1500,1200~1600,1300~1800,1500~2100, (Other Scope Special Design) |
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flow characteristic | Come on. | |||||||||||||||||
regulation accuracy | ±5-10(%) | |||||||||||||||||
service temperature | -60~350ºC (Special design below -60ºC) 350~550ºC | |||||||||||||||||
allowable leakage | Class IV (hard seal) Class VI (soft seal)(GB/T4213-08) | |||||||||||||||||
(/decompression ratio (Inlet pressure/Outlet pressure) | 1.25~10( special design beyond this range) |
Nominal diameter(DN) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |||||||
Length of the receiver tube (B) | 383 | 512 | 603 | 862 | 1023 | 1380 | 1800 | 2000 | 2200 | |||||||||||
Flange face distance L(PN16,25,40) | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | |||||||
Flange face distance L(PN64) | 230 | 260 | 300 | 340 | 380 | 430 | 500 | 550 | 650 | 775 | 900 | |||||||||
Pressure adjustment range KPa |
15~140 | H | 475 | 520 | 540 | 710 | 780 | 840 | 880 | 940 | 950 | |||||||||
A | 280 | 308 | ||||||||||||||||||
120~300 | H | 455 | 500 | 520 | 690 | 760 | 800 | 870 | 900 | 950 | ||||||||||
A | 230 | |||||||||||||||||||
280~500 | H | 450 | 490 | 510 | 680 | 750 | 790 | 860 | 890 | 940 | ||||||||||
A | 176 | 194 | 280 | |||||||||||||||||
480~1000 | H | 445 | 480 | 670 | 740 | 780 | 780 | 850 | 880 | 930 | ||||||||||
A | 176 | 194 | 280 | |||||||||||||||||
(Kg) PN16Weight (Kg) PN16 as an example |
26 | 37 | 42 | 72 | 90 | 112 | 130 | 169 | 285 | 495 | 675 |
For optimal performance and seamless integration, when utilizing the valve in gas or low viscosity liquid media, the AOC-3111 type self-operated pressure regulating valve is ideally installed in an upright position on a horizontal pipe. If spatial constraints make this challenging, it can be installed upside down or diagonally. A noteworthy feature is that part 3 may be omitted if the medium is confirmed to be clean, streamlining the installation process even further.
In scenarios involving steam or high viscosity liquid media, the AOC-3111 type self-operated pressure regulating valve is typically mounted upside down on a horizontal pipe to ensure maximum efficiency and functionality.
SNT Machinery (Qingdao) Co., Ltd. stands at the forefront of innovation in the production of control valves, seamlessly integrating manufacturing, design, sales, and service. With a robust foundation and rapid development, SNT is strategically located in the vibrant city of Qingdao, Shandong province, sprawling over 42,000 square meters. The facility boasts state-of-the-art workshops and cutting-edge production equipment. As a distinguished high-tech enterprise, SNT holds independent intellectual property rights and leverages advanced management and production expertise from around the globe. Empowered by a dedicated workforce of over 150, where 15% are R&D specialists and 30% hold advanced degrees, SNT excels in producing superior quality valves. These are indispensable in petrochemical, oil, and coal chemical industries. Fueled by a high-caliber production management team and pioneering technology development, our sales value impressively soared to nearly 100 billion in 2017.
SNT has proudly attained the TS Special Equipment Manufacturing Certificate and ISO 9001 accreditation. Our esteemed net qualification certification from SINOPEC, CNOOC, PETROCHINA, and SINOCHEM further underscores our commitment to excellence. Celebrated for our National Patents across numerous technologies, we design and manufacture an extensive array of valves adhering to ANSI, API, DIN, BS, and JIS standards. By merging global valve innovations with our unique research and development strengths, we offer a comprehensive range of top-tier valves, including GLOBE, High-Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, and Eccentric Rotary Valves. Our capabilities extend to 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 extensive drive options include manual, power-driven, pneumatic, and hydraulic.
SNT valves are crafted with premium materials such as A216 WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, ensuring unrivaled quality and durability. Our specifications range from 1/2" to 120" fittings, with working pressures from ANSI 150# to an impressive 2500#, and operational temperatures spanning from -196ºC to 1100ºC. This versatility enables us to meet the diverse needs of our esteemed clients.
With superior production technology management and a comprehensive quality assurance system, SNT valves have become the preferred choice across various industries, including petrochemical, oil, steel & iron, paper manufacturing, and power stations. Our prestigious clientele comprises industry leaders such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, and PETROCHINA Ningxia branch. Our products are synonymous with reliability and excellence, gaining trust from notable entities including SINOPEC Changling branch and Jinan branch.
SNT is dedicated to prioritizing user profitability by committing to exceptional quality and a reputable brand. Our impeccable quality assurance and comprehensive after-sales support systems ensure that SNT valves consistently collaborate with all our customers, forging a path to shared success and prosperity.