KOSO 501T 551T 520T 511T Top Guided Single Seat Globe Valves
The KOSO 501T 551T 520T 511T Top Guided Single Seat Globe Valves are precision-engineered industrial control valves, optimized for accurate flow regulation in critical process systems. Featuring a robust top-guided single seat design, these valves deliver exceptional stability, low leakage, and reliable performance under high pressure, high temperature, and variable flow conditions. As a core offering in KOSO’s control valve portfolio, they are built to meet the stringent demands of industrial automation, with tailored configurations for diverse media and operating scenarios.
Features
Technical Specifications
| Parameter | Details |
|---|---|
| Valve Models | 501T, 551T, 520T, 511T |
| Valve Type | Top Guided Single Seat Globe Valve (501T: Angle Type) |
| Body Size | 501T: 1/2"(15A)-8"(200A); 551T: 3/4"(20A)-3"(80A); 520T:1/2"(15A)-1"(25A); 511T: 1"(25A)-6"(150A) |
| Pressure Rating | ANSI Class 150~1500, JIS 10K~63K, PN 16~100 |
| Fluid Temperature | -196℃ ~ +538℃ (model-specific temperature ranges) |
| Connection Types | Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW) |
| Body Materials | SCPH2/WCB, SCPH21/WC6, SCS13A/CF8, SCS14A/CF8M |
| Trim Materials | SUS316, Stellite 6, SCS13A/CF8, Hastelloy (optional) |
| Flow Characteristics | Linear, Equal Percentage, On-Off, Needle Flow (520T) |
| Leakage Class | Soft Seat: ANSI Class VI; Metal Seat: ANSI Class IV/V |
| Rangeability | Up to 100:1 (520T up to 500:1 for needle flow control) |
Applications
FAQ
What is the key difference between the 520T and other models?
The 520T features a needle flow design, specialized for ultra-precise small and micro flow control in high-precision industrial processes.
Can these valves handle cryogenic or high-temperature media?
Yes, with model-specific temperature ranges from -196℃ (cryogenic) to +538℃ (high-temperature), suitable for extreme fluid conditions.
What media can the KOSO 501T-511T valves control?
They efficiently handle clean liquids, gases, steam, and mild corrosive media; custom trim materials are available for highly corrosive substances.
How to select the right model for my process?
Consider pipeline size, flow rate, pressure/temperature, media type and control precision—our team provides free model selection consultation.
Do you offer after-sales support and spare parts?
We provide global after-sales technical support, on-site installation guidance, and long-term supply of original genuine spare parts.
Are these valves compatible with third-party actuators?
While optimized for KOSO actuators, they can be adapted to all standard industrial pneumatic, electronic and electric actuators.
Contact Us
For product inquiries, custom quotes, model selection advice or technical support, reach out to us anytime via:
wechat/what's app/phone number:+86 13472860702
Our professional team responds promptly to deliver tailored industrial control valve solutions for your specific process needs.
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