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Snap-On Gaskets
Gasket over-compression because of pipe misalignments is one of the most common problems we see daily. The flanges are not parallel and therefore we squeeze the gaskets until it stops leaking. The result is a destroyed gasket. The above illustration shows how the red plastic ring prevents over-compression of the elastomer. Even if we give it the extra torque above the recommended levels, the gasket is fully protected.
Click on the above photo for more details
The Solution
The Snap-On™ gasket has this plastic ring on the outside that is just a little thinner than the actual elastomer gasket itself. Place the gasket over one ferrule by snapping it on. Place the other ferrule on top of the gasket and put a clamp around the fittings. When you turn the wing-nut you will first compress the rubber material until the ferrule hits the plastic ring. Soon you will notice that you are not able to turn the wing-nut any further. The plastic ring creates a full stop. It is impossible to further (over-) compress the gasket. Even in a situation where there is pipe misalignment.
In most cases, engineers know where these problem connections are in the system. Simply utilizing the Snap-On gasket in these area´s will resolve big problems. The elastomer we use in the Snap-On gasket is the same as the standard gasket, same contact surface, same validated material.
Advantages
The Snap-On™ gasket has been developed for several reasons.
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Resolving Over-Compression
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Fixing Misalignment in pipe work
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Colour identification
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Dimension Identification
Over-compression made possible
The Snap-On™ gasket has been designed to be "abused" in terms of compression. The Red plastic ring will protect the elastomer gasket material from destruction.
No matter how hard you torque the clamp because of possible alignment issues, the gasket will still function.
Observe the video below to see how it works.
Available
The Snap-On gaskets are available in EPDM (CMD-1004) and Platinum Silicone (CMD-1012) other elastomers on request.
Sizes:
ASME BPE 1/2" - 3/4" - 1" - 1,5" and 2"
Plastic ring is made in BASF ULTRAMID