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NINGBO MIAOYU MACHINERY TECHNOLOGY CO., LTDNINGBO MIAOYU MACHINERY TECHNOLOGY CO., LTD

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High-performance PTFE with low friction, excellent chemical resistance and wide temperature stability.
img of PTFE Wedge Mechanical Seals for Pump

PTFE Wedge Mechanical Seals for Pump

• Precision Machined Wedge: The angle and finish of the PTFE wedge are machined to micron-level tolerances to ensure it seats perfectly against the shaft without binding.

• Spring Energized: Multiple springs ensure even face loading and help the wedge maintain contact during thermal cycling.

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img of Balanced and Unbalanced PTFE Wedge Mechanical Seals

Balanced and Unbalanced PTFE Wedge Mechanical Seals

• Stepped Sleeve Design: For balanced seals, we provide the necessary stepped sleeve to achieve the hydraulic balance ratio without modifying your pump shaft.

• Anti-Rotation Lugs: Heavy-duty drive lugs are incorporated to prevent face rotation under the high torque loads common in high-pressure sealing.

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img of High Pressure PTFE Wedge Mechanical Seal for Mixers

High Pressure PTFE Wedge Mechanical Seal for Mixers

• Extended PTFE Wedge: Features a longer wedge profile to maintain sealing integrity even when the shaft wobbles.

• Bearing Support (Optional): Can be integrated with a steady bearing to provide additional shaft support and protect the seal faces.

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img of PTFE Wedge Single Acting Mechanical Seal for Kewpump

PTFE Wedge Single Acting Mechanical Seal for Kewpump

• Flush Port Alignment: The gland design ensures the flush ports line up perfectly with the Kewpump housing for effective face cooling.

• Heavy-Duty Spring: Uses a thick-wire coil spring to power through viscous fluids and prevent clogging.

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img of Silicon Carbide Dry Mechanical Seal PTFE Wedge

Silicon Carbide Dry Mechanical Seal PTFE Wedge

• Diamond Coating (Optional): We can offer Diamond-Coated SiC faces for extreme dry-run durability and low friction.

• Dust Protection: Includes a dust lip or scraper to prevent powder from packing into the PTFE wedge area.

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img of PTFE Wedge Tandem Mechanical Seal for Fire Pump

PTFE Wedge Tandem Mechanical Seal for Fire Pump

• Buffer Fluid Potential: The space between seals can be filled with a buffer fluid to lubricate the faces and prevent crystallization of foam concentrates.

• Corrosion Resistant Alloys: Available in Duplex or Monel for seawater fire pumps on offshore platforms.

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img of Dry Dual Pressurized PTFE Mechanical Seal for Pump

Dry Dual Pressurized PTFE Mechanical Seal for Pump

• Spiral Groove Technology: Laser-etched grooves generate aerodynamic lift, separating the faces even at low speeds.

• Low Power Consumption: Contactless running consumes 90% less power than liquid-lubricated dual seals.

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img of Stationary Face PTFE Bellow Mechanical Seal

Stationary Face PTFE Bellow Mechanical Seal

• Composite Face Technology: Faces are integrally molded or inserted into the PTFE bellow, eliminating leak paths.

• Visual Wear Indicator: The external design allows operators to visually check the remaining seal face life without disassembly.

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img of Roten PTFE Wedge Mechanical Seals for Reactor

Roten PTFE Wedge Mechanical Seals for Reactor

• Chemical Inertness: The switch to a PTFE wedge allows standard Roten-style seals to operate in fluids that would destroy NBR or EPDM rubber.

• Short Working Length: Designed to fit shallow stuffing boxes without modification to the reactor flange.

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Get Started With Your Next Project.
If you have any questions about our products and services, please feel free to contact us. Our team will get in touch with you within 24 hours!
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    Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.

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    Get Your Custom Seal Solution Quote
    Tell us your sealing requirements (working conditions, media, dimensions, etc.), and our engineers will provide a tailored solution and quote within 24 hours. Your inquiry is 100% confidential.
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