ORIGRAF® Expanded Graphite Seals:
Maximize safety, performance, and long-term value with ORIGRAF® die-formed expanded graphite seals from Technetics. Designed to outperform in extreme thermal and pressure cycling environments, ORIGRAF® seals deliver:
- 在波动条件下具有卓越的密封完整性
- Enhanced operational safety
- Reduced maintenance and downtime
- Optimized total cost of ownership
Whether you’re operating in high-temperature, high-pressure, or chemically aggressive environments, ORIGRAF® seals provide the durability and consistency for your critical systems demand.
Why Choose ORIGRAF® Expanded Graphite Seals from 技术学 Group?
ORIGRAF® die-formed expanded graphite seals are engineered to deliver exceptional sealing performance in the most demanding environments—where conventional solutions often fall short.
Unlike standard graphite gaskets or competitor expanded graphite seals, ORIGRAF® seals offer superior adaptability and resilience. Thanks to our proprietary manufacturing process, the graphite structure maintains flexibility, allowing the seal to conform to surface irregularities—even under offloading or transient conditions. This ensures consistent, leak-tight performance where others may fail.
What Makes ORIGRAF® Stand Out?
- 受控压缩
Unlike flexible graphite cut gaskets or spiral-wound gaskets, ORIGRAF® seals are designed with mechanical stops—such as precision-engineered grooves or inner/outer rings—that limit compression. This prevents overloading and protects the seal during thermal and pressure fluctuations.
- Superior Stress Management – Built for Critical Applications
The design minimizes excessive seating stress, preserving seal integrity and extending service life in during transient when assemblies are subject to high-pressure, high-temperature environments. ORIGRAF® seals are trusted in industries where safety, reliability, and performance are non-negotiable—from energy and chemical processing to aerospace and defense.
Choose ORIGRAF® for a smarter, safer, and more cost-effective sealing solution—engineered to reduce maintenance, improve operational safety, and lower your total cost of ownership.
在实际条件下优于其他制造商。
Key Features of ORIGRAF® Expanded Graphite Seals
Engineered for performance in the most demanding environments, ORIGRAF® expanded graphite seals offer a unique combination of resilience, adaptability, and ease of use:
- 出色的弹性恢复
Achieves up to 40% compression recovery, delivering a reliable spring-back effect for long-term sealing performance (Characterized in our MAESTRAL Laboratory).
- 低蠕变和松弛
Maintains dimensional stability under critical pressures and temperatures, reducing the need for retightening.
- 抗辐射和抗化学性
Ideal for nuclear and chemical processing applications, with excellent resistance to harsh media and radiation exposure (Specific nuclear graphite grades on request – for instance PMUC).
- 热适应性和压力适应性
Performs reliably under extreme temperature and pressure fluctuations, ensuring consistent sealing in transient conditions.
- 金属对金属触点设计
Enhances structural strength and ensures consistent seating load control.
- 对不对称螺栓拧紧不敏感
Maintains sealing performance even when assembly torque is uneven—reducing installation errors and improving reliability.
- Non-Adhesive to the Flanges Contact Surfaces
通常不会与法兰粘合，因此在维护过程中可以快速拆卸和更换，不会造成损坏。
产品应用
ORIGRAF® expanded graphite seals are trusted across a wide range of high-demand industries where safety, reliability, and performance are critical:
Industries Served:
- Nuclear Power & Research
- Chemical Processing
- Petrochemical & Refining
- Oil & Gas Exploration & Production
Common Applications:
- Steam Generators & Pressurizers
- Manholes & Other critical maintenance related openings
- Heat Exchangers
- Piping Flange Connections
- Valves and Pumps
- Critical Flange Assemblies
您在寻找符合核级标准并能在极端条件下使用的密封解决方案吗？
ORIGRAF® seals are engineered to deliver maximum safety, minimal maintenance, and long-term reliability—making them the preferred choice for engineers in the world’s most demanding industries.
规格
| Feature | 规格 |
|---|---|
| Pressure Resistance | Up to 400 bar (5,802 PSI) |
| Temperature Range | From -321°F to 4532°F (-196°C to 2500°C) |
| 标准尺寸 |
DN: 15 to 600 mm (NPS: 1/2” to 24”) Up to 1.500 mm (59”) on special request |
| Pressure Classes | CLASS 150 至 2500 / PN 20 至 420 |
| 认证 |
PMUC 认证 by EDF (No. PMUC 17-0174) BAM 认证 for use in oxygen-rich and high-risk environments |
