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Custom Gear-Tooth Profile Gaskets for Steam Turbines
Our bespoke gear type gaskets are precision-engineered sealing components specially designed for steam turbine barring gear assemblies, gearboxes, rotor flange joints, cylinder split surfaces and high-temperature transmission gear mating faces.
Also known as tooth serrated metal gaskets, gear profile sealing washers, they adopt unique concentric gear-tooth convex structure to deliver ultra-reliable sealing under high temperature, high steam pressure, frequent thermal expansion & vibration working conditions of thermal power, waste heat & industrial steam turbines.
All dimensional parameters, tooth profiles, base materials and coating layers are fully customized to match your turbine original equipment, retrofitted units or newly designed turbine systems.
2. Unique Gear-Tooth Structural Advantages
Multi-Line Compression Sealing Performance
The continuous concentric gear tooth ridges form multiple independent sealing loops after bolt tightening. Even under turbine thermal cycling, slight flange deformation or minor surface scratches, the gear teeth can closely fit the metal contact surface to block steam leakage, far outperforming flat metal gaskets and ordinary spiral wound gaskets.
Strong Anti-Vibration Stability
The serrated gear tooth structure provides excellent elastic buffer capacity against low-frequency vibration from turbine barring gears and rotor rotation. No gasket shifting, crushing or seal failure during long-term continuous unit operation.
Uniform Stress Distribution
Precision CNC machined symmetrical gear tooth profile ensures even compression stress across the whole gasket surface, avoiding local over-compression and tooth breakage during installation.
Reusable & Easy Maintenance
Compared with disposable soft packing gaskets, our metal gear type gaskets maintain complete tooth structure after disassembly, available for repeated use in planned turbine overhauls, cutting spare part procurement costs.
Flexible graphite coating: Resist high temperature up to 650℃, adapt to dry saturated steam
PTFE fluoroplastic coating: Anti-acid & alkali corrosion, for chemical industrial steam turbines
Soft silver plating: Ultra-high vacuum sealing, zero leakage for precision turbine transmission gear chambers
3.3 Working Condition Customization
High-temperature steam resistant design (up to 700℃) for main turbine cylinder joints
Anti-sulfur & anti-corrosion treatment for coal-fired power plant flue gas waste heat turbines
Low-pressure lightweight gear gaskets for small industrial back-pressure turbines
Retrofit customization: Reverse drawing & production for obsolete, discontinued turbine original gear gaskets
Explosion-proof reinforced tooth structure for marine steam turbine auxiliary systems
3.4 OEM & Technical Customization
Engrave customer logo, turbine unit model, specification marks on gasket surface
One-stop service: Free CAD/3D drawing design, finite element compression sealing simulation, sample trial production, batch mass manufacturing
Custom packaging for long-term spare parts storage, anti-rust treatment for overseas export shipment
4. Core Product Strengths for Power Plant Users
✅ Zero Steam Leakage Under Thermal Cycling Multi-ring gear tooth labyrinth sealing eliminates steam escape at turbine split flanges, reducing energy loss and avoiding safety hazards caused by high-pressure steam leakage.
✅ Long Service Life & Low Replacement Frequency Alloy metal base + wear-resistant coating resists thermal fatigue, oxidation and medium erosion; service life 3–5 times longer than ordinary composite gaskets, cutting annual spare part expenses.
✅ Perfect Fit, No On-Site Modification Custom fabricated strictly according to your turbine flange drawings or old sample gaskets. Direct replacement without machining turbine mating surfaces, shortening overhaul downtime.
✅ High Compression Resilience Unique gear tooth elastic structure retains stable sealing pressure after thousands of turbine startup-shutdown cycles, no permanent deformation or seal attenuation.
✅ Strict Full-Range Quality Inspection Each customized gear type gasket undergoes: Raw material chemical composition & tensile strength testing CNC tooth profile precision inspection Flatness, thickness uniformity full scanning High-temperature compression sealing simulation test Complete test certificates supplied together with goods for power plant equipment filing.
Turbine unit renovation, spare part replacement, old equipment upgrade projects
6. Standard Customization Process
Demand Confirmation: Customer provides turbine model, flange drawing, working temperature/pressure, medium type, gasket sample photos or physical samples
Engineering Design: Technical team outputs 2D/3D drawings, material & coating solution for customer approval
CNC Precision Turning & Gear Tooth Milling
Surface coating / anti-corrosion treatment
Multi-procedure dimensional & performance testing
Anti-rust packaging, delivery & global after-sales technical support
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2017
Total Annual:
20000000usd-25000000usd
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Founded in 2017, Chongqing Huanxiang Industrial Co., Ltd. is located in Cuntan Bonded Port Area of Chongqing, an advantageous region in the upper reaches of the Yangtze River with convenient transportation.
Since its establishment, the company has adhered to a development model of integrated R&...
Founded in 2017, Chongqing Huanxiang Industrial Co., Ltd. is located in Cuntan Bonded Port Area of Chongqing, an advantageous region in the upper reaches of the Yangtze River with convenient transportation.
Since its establishment, the company has adhered to a development model of integrated R&...
