Since their introduction to the North American market in
2012, Viega’s MegaPress fittings have earned a reputation as
the best in the business. Viega’s
ProPress and
MegaPress brands have even become somewhat of a generic
term for press fittings in general.
 While
that sort of popularity is great, it can also cause some
confusion among users. For example, MegaPress is not a
single product, but three separate lines with distinct
applications. Using the incorrect fitting can shorten the
life of the
sealing element or may not be approved for the
application.
A lot of the questions we get to our Technical Support line
(866-838-8714) deal with which type of fitting to use for
various applications. While we can answer most questions
immediately, a few over the years have made us do our own
research. For example, did you know that MegaPress EPDM is
approved for DOT 3 Brake Fluid, a high-performance hydraulic
brake fluid for use in automotive disc, drum and anti-skid
brake systems and clutch systems?Story
continues below ↓
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Brake fluid
aside, here’s a quick summary of what you need to know
about MegaPress EPDM:
Color: The dots on MegaPress EPDM fittings are
green. The dot also means that the fittings have Viega’s
Smart Connect technology, which makes it easy to
identify unpressed fittings during pressure testing.
Sizes: While other MegaPress fittings are
available in sizes up to 4", MegaPress EPDM fittings are
available only in ½", ¾”, 1", 1 ¼”, 1½” and 2".
Sealing element: EPDM is short for
ethylene-propylene-diene monomer rubber, a synthetic,
cured, all-purpose elastomer with excellent resistance
to chemicals and other harsh environmental conditions.
The sealing element partially determines the approved
applications.
Applications: MegaPress EPDM is approved for more
than 13 different applications, including non-potable
water, hydronic heating, fire sprinklers and residential
low-pressure steam. Click
here for a complete listing of applications. It’s
also approved for outdoor and underground use.
Materials: Made of carbon steel with a
zinc-nickel coating, MegaPress EPDM is for use with
Schedule 5 to 40 carbon steel pipe, commonly referred to
as black iron pipe.
The MegaPress family of products is the subject of a
three-part series on TechTalk Live, the monthly
Instagram livestream with Viega technical
consultants Bo DeAngelo and Troy Locke. The first,
which aired last month, dealt with MegaPress EPDM;
the October and November sessions will cover MegaPressG
and MegaPress FKM.
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