Pressure Seal Globe Valve | ZECO Valvethermostatic balancing valve
Pressure Seal Valves are intended for high pressure and high temperature applications for all types of fluids, except where severe coking may occur. Because of their design and materials of construction, pressure seal valves are an excellent choice for nuclear steam generating stations, industrial/chemical plants, and thermal power plants. Pressure Seal Valves offer efficiency in flow passage and sealing, weight saving, ease of installation and simplicity in maintenance.
What is Pressure Seal Globe Valve?
Pressure Seal valves are designed for high pressure, high temperature applications such as Steam-Generation Stations, Industrial/Chemical Processing Plants, Thermal Power Generating Plants, and other processing facilities throughout the world.
Product Standards of Pressure Seal Globe Valve
| Specifications | Details |
| Design Standard | API 623, BS 1873, MSS SP-144 |
| Pressure/Temperature Chart | ASME B16.34 |
| Face to face Dimension | ASME B16.10 |
| Testing Standard | API 598 / BS EN 12266, Part-1 |
| Flange Details | ASME B16.5 UP TO 24″DIN / BS / IS / JIS |
| Butt-Weld End Details | ASME B16.25 |
| Size Range | 2″ – 20″ (DN50 – DN500) |
| ASME Class | Class 900 to 2500 |
| Materials | A105 / LF2 / LF3 / F316 / F304 /F316L / F51 / F55 / F6a / WCB / LCB / LCC / CF8M / CF8 / CF3M / 4A / 6A / Inconel |
| Trims | F6a / F316 / F304 / F316L / F51 / F55 / Inconel / Stellied or hardfaced |
| Ends | Flange ends, Butt-weld End |
| Operation | Manual, Pneumatic, Electric |
Features and Benefits of Pressure Seal Globe Valve
ZECO globe valve’s top and bottom-guided disc assure stem operation without side thrust caused by high pressure flow. The non-rotating stem results in lower friction of all moving parts and longer stem packing life. All these results in smooth, easy operation and tight shutoff under extreme pressures.
- ZECO proven pressure seal design to ASME B16.34.
- Live-loaded pressure seal bonnet bolting on NPS 6 and larger as a standard.
- Body – superior strength forgings / high quality castings.
- Body guided disc eliminates side thrust and provides longer disc, seat, and body life.
- Impactor handwheel for tight shutoff.
- ZECO stem seal offers a tight seal with little to no maintenance over long periods of time.
- Non-rotating stem requires lower operating torque.
- The body and disc are CoCr alloy hardfaced on seat contact and disc guiding surfaces, which provides maximum resistance to erosion and wear.
- Optional live-loading of packing extends low emission service life, especially in service with large pressure/temperature transients or frequent cycling.
- Other sizes and pressure classes are available. Contact the company for specifications.
Applications of Pressure Seal Globe Valve
- Thermal & Cogeneration Power Plant
- Nuclear Power Plants
- Chemical, Petrochemical & Other Industrial Processes
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