The MK – GS type control valve is a single – seat control valve.This valve is specifically designed to control various liquids, gases and steam. Its specially perforated cage and valve core can better adapt to harsh working conditions.
This series of control valves can be optionally equipped with special configurations such as bellows seal type, steam jacket type, extended bonnet, and others.
Product Features:
The MK-GS control valve complies with both European EN standards and American ANSI standards.
The valve body wall thickness is designed in accordance with ASME B16.34-2013. Each valve body cavity is optimized through 3D modeling and CFD simulation to ensure fluid stability.
Modular Design – The entire control valve and actuator are collaboratively designed with a modular approach, offering excellent design and maximizing parts commonality across various sizes.
Dynamic Loading Packing – The standard control valve system is equipped with dynamically loaded PTFE V-ring packing. The dynamic loading design helps ensure reliable sealing of the process medium, significantly reducing the risk of fugitive emissions from the valve stem packing, and complies with low-emission standards ISO 15848-1 and TA-Luft VDI 2440.
The valve body construction allows the materials to comply with NACE MR0175/ISO 15156-2003.
| Specification | EN | ANSI |
|---|---|---|
| Nominal Diameter | DN 15, 20, 25, 40, 50, 80, 100, 150 | 0.5″, 0.75″, 1″, 1.5″, 2″, 3″, 4″, 6″ |
| Nominal Pressure | PN 10/16/25/40 Compliant with EN 1092-1 | Class 150/300 Compliant with ASME B16.34 |
| Connection Type | Flanged per EN 1092-1 for raised face Compliant with HG/T 20592-2009 | Flanged per ASME B16.5 for raised face Compliant with HG/T 20615-2009; SH/T 3406-2013 |
| Face-to-Face Dimension | Compliant with EN 558-1 | Compliant with ANSI/ISA 75.08.01 |
| Bonnet Type | Standard, Extended (Low-Temp), Extended (High-Temp), Bellows Seal, Compact | |
| Leakage Class | Metal Seat: ANSI/FCI 70-2 Class IV (Optional: Class V) Soft Seat: Class VI | |
| Flow Direction | Flow Up (Upward) | |
| Flow Characteristic | Equal Percentage, Linear | |
| Rangeability | 50:1 |
| Orifice Diameter | Trim Type |
|---|---|
| 4.8 mm | Micro-flow Trim |
| 9.5, 14, 22 mm | Stem-Guided Trim, Plug Trim |
| 36, 46, 70, 90, 136 mm | Seat-Guided Trim |
| 70, 90, 136 mm | Balanced Trim, Cage-Guided Trim |
Working Temperature
WCB / LCB Materials: -29°C to +232°C (LCB min: -46°C). With extended bonnet: up to +371°C.
Stainless Steel (CF8/CF8M/CF3/CF3M): -29°C to +232°C. With extended bonnet: -46°C to +371°C.
For detailed technical datasheets, specific model selection guidance, or to discuss your application requirements, please do not hesitate to reach out to our sales team.
If you have any questions about the specifications or need support in choosing the right MK-GS for your system, please contact the Kateteco sales team.
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