Wärtsilä Stern Tube Seals (Water Lubricated)

The Wärtsilä Enviroguard and Iceguard ranges have long been the standard for military applications and for sensitive, harsh environments

The Wärtsilä Enviroguard range is an environmentally friendly inboard sealing solution. These products are suitable for both blue water and abrasive water conditions. They are available in both metallic and composite materials.

Following the acquisitions of John Crane - Lips and the brand names DSS - Deep Sea Seals and Lips by Wärtsilä, the products Maneguard 1 & 2, Ecosafe 1, Maneseal MA, MD & M9 are renamed Wärtsilä Enviroguard.

    Small Range

    COMMERCIAL & MILITARY, SMALL RANGE

    OPEN WATER LUBRICATED STERN TUBE FACE TYPE SEALS

    Wärtsilä Enviroguard - WFS1R-F, WFS1R-P & WFS1R-P-L

    Wärtsilä Enviroguard seals, WFS1R-F, WFS1R-P & WFS1R-P-L, are suitable for smaller vessels such as patrol and coastal vessel. The small range Enviroguard has a long track record of outstanding performance in all water conditions.

    This seal type comprises of hard running interfaces for abrasion resistance and can be adapted for shock capability.

    Partially and fully split options are available to enable maintenance and seal replacement without removing the shaft. Maintenance can also be done afloat through the use of an inflatable seal. Main components are manufactured from proven, metallic or corrosion free composite materials for easy maintenance and reduced weight.

    Shaft sizes ø70toø450 mm(WFS1R-F / WFS1R-P)
    Serviceability Partially split and fully split options
    Internal lubricant Water
    Max, draft pressure 1.0 bar
    Optional extras Adaptor plate, shock compliance
    Wärtsilä Stern Tube Seals -WFS1R-P-L
    Large Range

    COMMERCIAL & MILITARY (BRONZE), LARGE RANGE

    OPEN WATER LUBRICATED STERN TUBE FACE TYPE SEALS

    Wärtsilä Enviroguard - WFS10-P-M, WFS10-F-M & WFS10-F-EM

    Wärtsilä Enviroguard seals, WFS10-P-M, WFS10-F-M & WFS10-F-EM, are suitable for larger vessels such as military, cruise and merchant vessels. The large range Enviroguard has a long track record of outstanding performance in all water conditions.

    This seal type comprises of an omega bellows arrangement for increased radial and axial shaft movements. The seal can also be adapted for shock capability and is fitted to many navies and cruise ships throughout the world.

    Partially and fully split options are available to enable maintenance and seal replacement without removing the shaft. Maintenance can also be done afloat through the use of an inflatable seal. Additional packing assembly is also available for the additional redundancy required for military applications.

    Shaft sizes ø150 toø1040 mm
    ø250 to ø900 mm (WFS10-F-EM)
    Serviceability Partially split and fully split options
    Internal lubricant Water
    Max, draft pressure 1.0 bar
    Optional extras Adaptor plate, emergency packing
    Wärtsilä Stern Tube Seals -WFS10-P-M
    Commercial Only

    OPEN WATER LUBRICATED STERN TUBE FACE TYPE SEALS

    COMMERCIAL ONLY (COMPOSITE), LARGE RANGE

    Wärtsilä Enviroguard - WFS1H-P-L

    The composite large seal, WFS1H-P-L, is suitable for commercial vessels. This seal type comprises of helical spring loaded interfaces suitable for abrasion resistance.

    Split sealing interfaces enable seal overhauls to be carried out without removing the shaft, this can also be done afloat through the use of an inflatable seal. The main components are manufactured from corrosion free, proven composite materials for easy maintenance and reduced weight.

    Shaft sizes ø460 toø820 mm (WFS1H-P-L)
    Serviceability Partially split
    Internal lubricant Water
    Max, draft pressure 1.0 bar
    Optional extras Adaptor plate, guards
    Wärtsilä Stern Tube Seals -WFS1H-P-L
    Ice-Breakers

    CLOSED WATER LUBRICATED STERN TUBE FACE TYPE SEALS

    Wärtsilä Iceguard - WFS10-P-MY & WFS10-P-MX

    Formerly known as DSS (Deep Sea Seals) Maneseal M4 & MB, the Wärtsilä Iceguard range is an environmentally friendly, water lubricated stern tube sealing solution. The Iceguard face type seals are suitable for stern tubes operating in vessels with enclosed water lubricated stern tube systems.

    Based on the well proven Wärtsilä Enviroguard seal range, the Iceguard offers a high performance stern tube sealing solution. Wärtsilä Iceguard seals, WFS10-P-MY & WFS10-P-MX, are suitable for ice breakers and vessels operating in harsh water conditions.

    This seal type comprises of an omega bellows arrangement for increased radial and axial shaft movements. Suitable for closed water systems containing anti-freeze additives and adapted for shock load capabilities in ice if required.

    Partially split seal enabling maintenance without removing the shaft. Maintenance can also be done afloat on the forward seal through the use of an inflatable seal.

    Shaft sizes ø320 to ø1140 mm
    Serviceability Partially split
    Internal lubricant Water/glycol
    Max, draft pressure 1.0 bar
    Optional extras Fully split version
    Wärtsilä Stern Tube Seals -WFS10-P-MX

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