A compact, high performance water lubricated seal having excellent vibration resistance and sealing performance. The structure is simple with applying rubber elasticity and meets complex vibration from shaft system completely. The design of the KEMEL EVK type seal is very simple. From stuffing boxes, Deep sea seal and P.S.S. Products Search. 3 types of sealing arrangements: Simple stuffing box. In a face seal the sealing is achieved by combining two lapped rings, stator and rotor. By emphasising sustainable innovation, total efficiency and data analytics, Wärtsilä maximises the environmental and economic performance … The seal includes an additional sealing ring which faces the sterntube and serves as a spare ring. Teignbridge Propellers design and manufacture various Stern Tubes for use in Sterngear assemblies. Our support for a safe, secure cruise, a cleaner environment and a significant reduction in prices. seals for inboard glands to Water Lubricated Outer bearings, Outrigger bearings and bronze outer bearings. Inquiries from the Internet . Seawater Lubricated Stern Tube Bearings . Related News. The stationary carbon flange is attached to the front side of the bellow with hose clamps, and the back end of the bellow fits over the Stern tube and is secured with hose clamps. In the older ships, where the timber bearings with sea water lubrication systems were used, conventional stuffing box and glands were used at the aft bulkhead of the ship. Stern tubes and stern tube seals and bearings Water quality system (WQS) Ropeguard and a cutter system Fully split construction for seal Hydraulic couplings Wärtsilä Enviroguard vessel types and sizes. Tel: 01752 482 666 Email: sales@vetusdirect.com. Back. Whilst PANOLIN provides stern tube oil, gear oils, hydraulic fluids and greases for all lubrication requirements on all propulsion types, it is the conventional propeller shaft with a stern tube containing the propeller shaft bearings and propeller shaft seals that … BWL. Excellent sealing performance with shaft vibration resistance. The synthetic rubber (NBR) and stainless steel (SUS316) or bronze (CAC403) are applied to the sealing face (contacting face of ROTATING SEAL RING① and SEAL RING②). The Type A PSS Shaft Seal is a mechanical face seal. WATER LUBRICATED STERN TUBE SEAL, EVK . Complete stern tube seal maintenance concept. Our seals are designed for oil-lubricated propeller shaft bearings and must achieve two important things: prevent the leakage of oil into the engine room or water and keep water out of the stern tube. Contact us: +48-698-888-516 beniamin.pawelczyk@botatechnik.pl Bota Technik has many years of experience in the service of shaft seals. Log In Basket Checkout. Because of their simple construction, the EVK series seals have been adopted for many small ships and coastal ships. MPS 896® FOR LIP TYPE SEALS WITH SEAL REVITALISER An effective additive for Stern Tubes and Bow Thrusters can also be used in CPPs, Rudder Shafts and Rudder Machines Read More. Type 4604 water-lubricated stern tube seals are virtually leak-free and are leaving no oil or grease residues in the waterway. Fitting Shaft seals in service. The wax and tallow provide lubrication so that the twine can be compressed against the shaft without abrading the metal. This type of shaft seal relies upon compression of a packing material around the shaft. The stern gear is located in the rear of the hull below the water line. They are an addition to our Type Approval from several other major classification societies. Viele übersetzte Beispielsätze mit "stern tube seal" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen. For over 70 years, Simplex sterntube seals have offered the marine industry a solution. type seal size contents 1 introduction and description of contents 2 data sheet 3 stern tube bearing wear down measurements 4 stern tube bearing temperature monthly summary 5 stern tube bearing daily temperatures report 6 stern tube lub. Flexofold sailboat propeller stands for: Safety first; Get easy around the docks; Low drag - higher speed; More comfort on board; Value for money; Go to www.flexofold.com. Oil pressure fluctuation with respect to ship draught, means leaking of oil seal. To prevent loss of lubricating oil from the stern tube bearings. Products Back. SWL. Print. The seal does not wear the propeller shaft sleeve. Stern tube seal service Do you have questions about our services? FOR FACE TYPE SEALS MPS 895® has been developed specifically for leaking stern tubes with face type seals in all sub-sea systems: stern tubes, bow thrusters, CPPs, rudders. Sterntube seals, propeller shaft seals – A housing with series of seal rings clamped into position on the bush. Mobil Stern Tube Lubricant has been formulated to meet this need. Shaft logs, ‘P’ brackets, glass in epoxy tubes to your requirements or design. gr. Environment-friendly seawater lubrication seals. stern-tube seal type SeaQual www.cedervall.com For technical specification, see back-cover of this leaflet. Stern tube seals with oil lubrication have tended to use rubber rings increasingly. STERN TUBE FLEXIBLE INNER BEARING/ SEAL TYPE ZWB 25MM TO 60MM - VETUS part no ZWB25A to ZWB60 Bronze inner bearing has a double lip seal and clamped onto the stern tube It has a hose spigot for the water intake which can be either fron a scoop through hul. Lip seal type. 0.95 and viscosity 300 RW No.1 at 60 C. Safety devices: Temperature sensor and pressure gauges are usually fitted. Stern tube seals for ships are technically very complex components, and are required to be highly reliable. To prevent oil from penetrating between the sealing faces pressure is added using pressure springs. MPS 896® SPECIAL MIX. Water lubricated stern tube seals (EVK) Products + Water lubricated stern tube seals (EVK) Contact. We provide developed solutions to meet your needs. Marine Stern Tubes for Stern Gear Assemblies. Read More. Types of Stern Tube Seals. 3) The Cedervall type, which is a bronze or white metal bearing having an oil-tight inboard seal or stuffing box and metallic outboard seal that is not fully oil-tight, requires a lubricant that readily emulsifies with water. The glands are attached at the forward end of the stern tube and prevent the passing of sea water into the ship. On drydock investigations, problems of wear and blistering of the stern tube seal lips became apparent. Kooiman type approved Stern Tube Aft Seals are produced for stern tubes with a diameter of 70 – 300mm. Add an oil leakage into the mix and you could face considerable maintenance costs and unplanned downtime. Using appropriate bypasses it is possible either to let this spare ring run without load on the liner or to activate the ring if required. oil check (monthly) and refilled oil 7 overhauls etc. And because they prevent getting water into the bilge, no elaborate actions are required for its disposal. Utilizing our expertise and knowhow built up over many years, the EKK Group contributes to safety of navigation and to environmental conservation. In a face seal the sealing is achieved by combining two lapped rings, stator and rotor. Standard Stern Tubes. The stern tube is installed at the stern of the ship and carries the sliding bearings that are used to support the propeller shaft. The propeller shaft links the propeller via the stern gear and bearings, so that the rotating motion of the engine via the gear box can be converted into thrust to propel the boat. We manufacture and supply most types of inboard and outboard glands and can build stern gear and stern tube assemblies to your requirements. The EVK type seal is the easiest of the seals on the market for installation and operation. Maintenance is very easy thanks to the facetype design. Please ask us for references. A larger sketch of the after seal (Figure 8.18) shows how seals are built up from three basic assemblies namely the flange, intermediate, and cover rings and these parts can be used for either seal. Sign up today and use discount code FOD for 10% … As well as providing standard designs, Teignbridge stern tubes can be made and supplied to any specification, from any material, for any vessel. Radial face seals FEATURES. Wijk bij Duurstede, 29 April 2019 – AEGIR-Marine (expert in the field of stern tube seals and services for maritime propulsion systems) was assigned with an NK Class Type Approval.The newly certified seal assembly will be available for customers worldwide as of today. The glands also prevent the leaking of oil from the stern bearings into the sea. General The seal is an oil lubricated face seal for propeller shafts. Sterntube seals have to perform two separate functions, one is to ensure that water does not enter the engine room, the second one to allow the propeller shaft to rotate as smoothly and freely as possible. The stern tube is filled with a lubrication medium and provides room for needed piping for example oil lines, temperature sensors and the Supreme Ventus ® system. The sealing surface is created between the flat surfaces of the rotating stainless-steel rotor and the stationary carbon flange. Seals are installed at the aft and forward end of the stern tube. Different types of Stern Gear. Additionally, we offer the Wärtsilä Bio Seal ring which provides a longer service interval of at least 5 years when used with EALs (Environmentally acceptable lubricants), compared to conventional seal rings which are recommended to be changed every 2.5 years. 26 Feb 2021. General The seal is an aft oil lubricated face seal for propeller shafts. stern-tube seal type SeaQual www.cedervall.com For technical specification, see back-cover of this leaflet. It is possible to replace lip seals without removal of the tail shaft by vulcanising split seals on the shaft. The stern glands thus seal the area between the stern tube and the propeller shaft. This material consists of braided twine impregnated with wax and tallow. Ineffective marine seals can be prone to water ingress that can be damaging to the system as it causes less lubricity and more corrosion. Information on Teignbridge’s most popular standard stern tubes. Simplex-Compact SC 2000 stern tube seals set the industry standard today. The Simplex stern tube (Figure 8.15) has a forward seal with two rings and an after seal with three rings. A short length of heavy-duty hose connects the assembly to the stern tube. Independent from the makers, RM Propulsion offers a complete and tailor-made maintenance concept for oil lubricated stern tube seals. Stern tube oil: Oil is a compound type with sp. 8 reports of stern tube lub. Various stern tube systems for shafts from 25 to 60 mm diameter; Various flexible couplings which significantly reduce vibration; Looking for a folding propeller? Fluoric rubber (Viton) with additives has been shown to be more effective than nitrile butadiene rubber for seal rings . The majority of the different executions are suitable for stern tubes, but also can be adapted for thrusters and electric pods. Stern Tube Seals by Simplex – Lip-Types. To prevent oil from penetrating between the sealing faces pressure is added using pressure springs. This SEAL DEVICE (STERN KEEPER TYPE SKC) is a kind of END FACE SEAL DEVICE lubricated with sea water. Wärtsilä is a global leader in smart technologies and complete lifecycle solutions for the marine and energy markets. This helps ship owners to achieve immediate and significant cost reduction and increased reliability of their stern tube systems.