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 the utmost efficiency and optimal performance, when deploying the valve in environments involving gas or low viscosity liquids, the AOC-3111 type self-operated pressure regulating valve is ideally set upright on a horizontal pipeline. However, should space constraints pose a challenge, alternative configurations such as upside down or diagonal installations are permissible. Notably, if the medium is verified as clean, the installation of part 3 can be deemed unnecessary.
In scenarios where steam or high viscosity liquids are present, the recommended installation for the AOC-3111 type self-operated pressure regulating valve is upside down on a horizontal pipeline, ensuring reliable functionality and superior regulation.
SNT Machinery (Qingdao) Co., Ltd. stands as a premier producer of state-of-the-art control valves, seamlessly integrating manufacturing, innovative design, comprehensive sales, and dedicated services into a singular powerhouse. Nestled in the vibrant city of Qingdao, Shandong province, our sprawling 42,000 square meters facility is a testament to modern engineering, complete with advanced workshops and cutting-edge production equipment. As a beacon of high-tech excellence, we boast independent intellectual property rights and leverage world-class management and production expertise. Our dynamic team comprises over 150 talented professionals, with an impressive 15% dedicated to research and development, while 30% are graduates with advanced degrees. With our robust production management team and pioneering technology, we specialize in the mass production of superior-quality valves, serving the petrochemical, oil, and coal chemical industries. Our remarkable sales achievements culminated in nearly 100 billion in revenue in 2017.
SNT has proudly secured the prestigious TS special equipment manufacturing certification and ISO 9001 accreditation, alongside the coveted net qualification certificates from industry giants SINOPEC, CNOOC, PETROCHINA, and SINOCHEM. Celebrated for our technological innovation, we hold numerous national patents. Our expertise spans the design and manufacture of an extensive range of valves, adhering to stringent international standards such as ANSI, API, DIN, BS, and JIS. By amalgamating the strengths of renowned valve designs worldwide with our proprietary research and development, we deliver an impressive array of offerings, including GLOBE, High Pressure Boiler Blow-down Valves, High-performance Butterfly Valves, Angle-regulating Valves, Eccentric Rotary Valves, and T Three-eccentric Center Butterfly Valves.
Our comprehensive valve portfolio extends to V Ball Valves, High Wear-resistant Ball Valves, High Pressure Steam Valves, Micro-flow Control Valves, Self-operated Control Valves, Cryogenic Valves, and more. These versatile products are available with diverse driving forms such as manual, power-driven, pneumatic, and hydraulic options. We utilize robust materials including A216WCB, A217 WC6/WC9, and A351 CF8/CF8M/CF3/CF3M, offering specifications from 1/2" to 120", with working pressures of ANSI 150# to 2500#, and accommodating working temperatures ranging from -196ºC to 1100ºC.
Harnessing superior production technology and an unwavering quality assurance framework, SNT Valves are the trusted choice across a multitude of industries, including petrochemical, oil, steel & iron, paper manufacturing, and power generation. Our esteemed clientele features industry leaders such as SINOPEC QILU branch, SINOPEC Qingdao branch, CNOOC Huizhou Refinery, PETROCHINA Guangxi branch, PETROCHINA Ningxia branch, and many more across various key locations.
At SNT, we prioritize our customers' success, dedicating ourselves to the creation of top-tier quality and a reputable brand. Our impeccable quality assurance and comprehensive after-sales support systems ensure that SNT valves consistently deliver value, fostering enduring partnerships and mutual prosperity with our esteemed clients.