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You are here : How to do fast for mechanical Sealing
A pump to replace two or three sets a month on average there is definitely a problem of mechanical seals, usually of a mechanical seal at least adhere to three months. I'll give you analyze your mechanical seal may have the following questions:
1, sealed package of poor quality or no choice of type
The boundaries of the main part of the mechanical seal ring and set into rings, rubber, metal, nylon, graphite containing metal, ceramic, silicon carbide, carbide material composition, the general media to be selected oil ring is a metal (material to Aluminum bronze is better), moving ring of metal containing graphite material selection is better, water (sewage) media to be selected, silicon carbide or carbide ring is better.
2, the installation does not place
The installation of mechanical seal is very important, and one man put it in front of the installation ring and ring set put a little of the contact surface of molybdenum disulfide, it is because when the first contact surface can not be mounted close together there will be little Cast molybdenum disulfide hole that it took account for the sand get in the hole, while there are traces of molybdenum disulfide abrasive is a combination of face seal, or if there is a contact surface of the sand into the hole Will soon be napping in the rapid destruction of the surface seal.
In general, the small contact area, there is no hole for a few days, after the sand is completely not get close together, so the mechanical seal life is very long.
3, the elastic force adjustment should be in place
Will be too strong and too weak to accelerate the elastic wear, elastic force of the mechanical seal has two adjustable and non-adjustable, be sure to tune in place with adjustable, not adjustable can also be modified, so you have to put forward a test on a single machine, Verify there will be a few down more scientific data.
4, the installed load running 10-30 minutes after
Do not immediately installed after the pump, first no-load operation for at least 10 minutes to make dynamic, will ring a little about each other docile, and air operation to observe, people do not go away, before starting in a relative motion to add a little lubrication links Oil, we must continue to monitor the temperature, a certain attention to the phenomenon of not smoking hot.
1, sealed package of poor quality or no choice of type
The boundaries of the main part of the mechanical seal ring and set into rings, rubber, metal, nylon, graphite containing metal, ceramic, silicon carbide, carbide material composition, the general media to be selected oil ring is a metal (material to Aluminum bronze is better), moving ring of metal containing graphite material selection is better, water (sewage) media to be selected, silicon carbide or carbide ring is better.
2, the installation does not place
The installation of mechanical seal is very important, and one man put it in front of the installation ring and ring set put a little of the contact surface of molybdenum disulfide, it is because when the first contact surface can not be mounted close together there will be little Cast molybdenum disulfide hole that it took account for the sand get in the hole, while there are traces of molybdenum disulfide abrasive is a combination of face seal, or if there is a contact surface of the sand into the hole Will soon be napping in the rapid destruction of the surface seal.
In general, the small contact area, there is no hole for a few days, after the sand is completely not get close together, so the mechanical seal life is very long.
3, the elastic force adjustment should be in place
Will be too strong and too weak to accelerate the elastic wear, elastic force of the mechanical seal has two adjustable and non-adjustable, be sure to tune in place with adjustable, not adjustable can also be modified, so you have to put forward a test on a single machine, Verify there will be a few down more scientific data.
4, the installed load running 10-30 minutes after
Do not immediately installed after the pump, first no-load operation for at least 10 minutes to make dynamic, will ring a little about each other docile, and air operation to observe, people do not go away, before starting in a relative motion to add a little lubrication links Oil, we must continue to monitor the temperature, a certain attention to the phenomenon of not smoking hot.
