KOSO 501G 550G Cage Guided Control Valves Globe Valve for Power Plant Petrochemical Refinery
The KOSO 501G and 550G are high-performance cage guided globe control valves, engineered to deliver precise fluid regulation for industrial applications. Built on KOSO’s decades of automation expertise, these valves feature a pressure-balanced trim design, ensuring stable operation even under harsh conditions like high pressure, temperature fluctuations, and cavitation risks. Ideal for critical process control, they combine durability, efficiency, and adaptability to meet the rigorous demands of modern industrial systems.
- Cage guided structure enhances dynamic stability and reduces wear for long-term reliability.
- Pressure-balanced trim minimizes operating force, enabling smooth and precise flow control.
- 550G’s multi-hole cage design achieves low noise and anti-cavitation performance.
- Interchangeable parts between 501G and 550G simplify maintenance and inventory management.
- Wide range of body and trim materials resists corrosion and harsh media.
- Broad size and pressure rating options fit diverse pipeline and process requirements.
- Compatible with various actuators (pneumatic, electronic, electro-hydraulic) for flexible automation integration.
| Parameter | Details |
|---|---|
| Valve Models | 501G, 550G |
| Valve Type | Cage Guided Globe Valve |
| Body Size | 1"(25A) ~ 18"(450A) |
| Pressure Rating | ANSI Class 150~2500, JIS 10K~63K |
| Fluid Temperature | -196~+538°C |
| Connections | Flanged (RF, RTJ), Butt Weld (BW), Socket Weld (SW) |
| Body Materials | SCPH2/WCB, SCPH21/WC6, SCPL1/LCB, SCS13A/CF8, SCS14A/CF8M |
| Trim Materials | SUS410/410SS, SUS630/SCS24, SUS316/CF8M |
| Flow Characteristics | Linear, Modified Linear, Modified Equal Percentage |
| Rangeability | 50:1 ~ 20:1 |
| Leakage Class | Soft Seat: ANSI Class VI; Metal Seat: ANSI Class IV, V or MSS-SP-61 |
- Petrochemical and chemical processing (distillation, reaction, blending)
- Power generation (steam and feedwater control)
- Oil and gas production and refining
- Pharmaceutical and food processing (sanitary-compatible configurations)
- Water treatment and wastewater management
- HVAC systems in large industrial facilities
- High-pressure/high-temperature fluid transfer lines
What is the difference between 501G and 550G?
The 550G features a multi-hole cage for anti-cavitation and low-noise; the 501G uses a standard cage for general service.
Can these valves handle corrosive media?
Yes, with optional corrosion-resistant trim materials (e.g., SUS316, Inconel) for harsh chemicals.
Are they compatible with smart automation systems?
Absolutely, they integrate seamlessly with KOSO’s EP800/SPS2000 smart positioners and industrial control systems.
What is the typical service life?
5+ years under standard operating conditions, with extended life in properly maintained systems.
Do you provide installation support?
We offer pre-sales consultation, installation guidelines, and after-sales technical support globally.
For inquiries, quotes, or technical assistance, reach us via:
Wechat/What's App/Phone Number: +86 13472860702
Our team is dedicated to providing tailored solutions and prompt responses to meet your industrial control needs.
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