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SFTEC
A a high-performance triple offset butterfly valve designed for extreme service applications. Its cam-like triple offset geometry eliminates rubbing between seat and seal ring, reducing wear and extending service life, while the torque-seated metal-to-metal seal ensures reliable bi-directional zero leakage shutoff.
Unique Features: splined disc/stem connection prevents misalignment, supports axial movement, and maintains seal integrity.
Performance: handles temperatures from -320°F to 842°F (-196°C to 450°C) with ASME Class 150–900 pressure ratings.
Applications: bulk liquid storage, LNG, power generation, refining, chemical processing, cryogenic service, pulp & paper, shipbuilding, geothermal steam, and water & wastewater.
Materials: available in carbon steel, stainless steel, and high alloys including Inconel®, Hastelloy®, and XM-19.
With its compact, weight-saving design, Tri Lok offers an efficient alternative to larger valve types, delivering safety, reliability, and long-term performance for critical industries worldwide.
Structural features:
1. Multi-layer hard sealing structure, suitable for butterfly valves with single, double, and triple eccentric structures.
2. The multi-layer sealing ring can be made of a composite of stainless steel and non-metallic materials, where the non-metallic materials are selected based on the application environment, such as flexible graphite, PTFE, or non-asbestos materials.
3. Wide range of applications, suitable for media such as water, steam, oil, air, and gas.
4. It is an optimal device suitable for regulating flow and cutting off fluid in food, medicine, petrochemical, power plant, steel plant, industrial environmental water treatment, high-rise buildings, and water supply and drainage pipelines.
Multi-layer hard sealing structure:
Ttriple offset (three-eccentric) Multi-layer hard sealing butterfly valve (exploded view):
| Pressure Rating | 150-1500lb,1.6-6.4 Mpa |
| Connecting Size | 2"-48", DN50-1200mm |
| Connecting type | Wafer, Lug, Flange, Welding, etc |
| Applicable Temp | -320°F to 842°F (-196°C to 450°C) |
| Applicable Medium | Water, Steam, Oil, Natural gas, weakly corrosive fluids, etc |
| Operating Mode | Lever, Gear, Electric, Pneumatic, Hydraulic,etc |
| Flange type Butterfly Valve | Pneumatic Butterfly Valve with Limit Box |
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| Wafer type Butterfly Valve | Flange type Butterfly Valve with worm gear |
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Applications: bulk liquid storage, LNG, power generation, refining, chemical processing, cryogenic service, pulp & paper, shipbuilding, geothermal steam, and water & wastewater.
Detailed communication on application conditions is required. Please contact our pre-sales engineer.
Phone/whats: 0086 182 5196 3758
Email: sales@sunfairtect.com
