Not all rubber is equal, especially when we consider the environment you are placing your gasket.
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Here is a super quick overview of which polymer is for which situation – it’s fairly generalised and each rubber type has different grades. There are always many questions and giving us a call with your gasket environment will also get you to your answer quickly!
Nitrile – the most commonly used polymer for gaskets – has good temperature resistance and is very resistant to oil and fuel.
EPDM – potable water? EPDM is a great drinking water option with low taste and taint, it doesn’t leach into drinkable water sources.
Silicone – High temperatures, food grade? Silicone is probably what you need.
Non-Asbestos Fibre – High temperatures, fuel, and oil, steam – this is the modern version of using asbestos.
Viton – Trying to seal strong chemicals with a rubber seal? Viton might just do it.
Neoprene – a good value all-round rubber, with average temperatures, not requiring food grade or potable water, neoprene is used as a good all-rounder for less tricky environments.
Rubberised Cork – all the epic capabilities of cork (expansion, longevity) mixed with either neoprene or nitrile depending on how oily your environment is. Lots of grades of this material, are excellent for long-lasting industrial gaskets.
Looking to be more specific than this list? – Take an in-depth look at our gasket materials here
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In the realm of Ductile iron pipe (DI pipe) joints, standard SBR (Styrene Butadiene) gaskets are the traditional watertight sealing solution. However, did you know these gaskets are not intended for all applications? When dealing with unique jobs, selecting the proper gasket material catering to specific operational demands is essential.
There are specialized gaskets, distinct in composition and functionality, that transcend the conventional capabilities of SBR gaskets. Each gasket described below is made for specific purposes based on factors like soil conditions, service temperature, or powerful industrial forces. These gaskets utilize modern elastomers to withstand the demands of any given project. In this #IronStrong Blog, we will closely examine each gasket available for your pipeline project.
First, be sure to use specialty gaskets provided by the pipe manufacturer. McWane Ductile only provides gaskets that are manufactured to the ANSI/AWWA C111-12 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings Standard, are NSF61, and NSF372 compliant, and approved as safe for use with potable or wastewater systems.
The key priority is using the right gasket suited for your specific application. And remember, the vast majority of water and wastewater projects will install standard SBR gaskets.
Click the play button in the image below to view an informative video on specialty gaskets.
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