TYTON rubber gasket

TYTON rubber gasket

Payment:L/C or T/T

TYTON  rubber gasket

R.S.L.’s TYTON Gasket is used in TYTON JOINT®and HP LOK® Joint Ductile Iron Pipe & Fittings.
It is a circular rubber gasket which has a modified bulb shape in cross section.
The TYTON Gasket is made of two different hardness rubber.
Composition and dimensions of the gasket have been carefully engineered to ensure a water-tight and lasting seal.
All TYTON Gaskets are made from vulcanized synthetic rubber with a soft rubber bulb and harder heel joined in a strong, vulcanized bond. No reclaimed rubber is used in the process. 
All gaskets meet the requirements of the Sanitation Foundation (WRAS) Standard BS6920, Drinking Water System Components Health Effects.

The standard rubber compound is EPDM –Ethylene Propylene Diene Monomer Rubber.
This material has a maximum service temperature rating of 160°C and is used as the predominant gasket material for Drinking Water, Sea Water, Sanitary Sewer, Reclaimed Water, Raw Water, & Storm Water.
If low levels of certain contaminants are present in water and sanitary sewer applications,special elastomers are available. 
The following table may be used as a guide for common TYTON® Gasket water, sewer, and air applications.

R.S.L. can furnish these special elastomers if specified for specific applications.

 Neoprene Rubber
 SBR Rubber
 Nitrile Rubber
 FKM Rubber

Tyton gaskets installation & Application scenario:

RSL Rubber Tips:
IRHD:international rubber hardness degrees.
Centrifugal ductile iron pipe DN80 ~ 1600mm Universal use Tyton-type plug-in flexible interface, T-type rubber seal is made of hard plastic 80 ± 5IRHD, soft 50 ± 5IRHD two different hardness of the rubber compound made. Hard rubber in the socket slot from the support of the fixed role, part of the seal; soft plastic ductile iron pipe into the socket after the end of the mouth, was compressed about 30%, all involved in sealing. The size of the Tylong joint rubber seal must meet industry standard requirements. In many sizes, T5 and T3 are not fixed by the mold control size, by the apron manufacturers internal management and production process execution force to determine the size of the event.

Tyron joint rubber seal soft and hard rubber in the composite production process is very easy to produce the phenomenon of mutual aid, a direct impact on the installation and sealing of the pipeline, including the service life. Hard rubber in the soft seal after the location (T3 is too large, T5 is too small), due to the permanent compression of the hard plastic and stress relaxation and other key factors to determine the life of the apron can not meet the standard requirements, due to lack of interface flexibility Water leakage, so that the water business enterprises over the next 50 years of production and marketing rate continued to be affected; and if the soft plastic occupy the location of the hard plastic (T3 is too small, T5 is too large), will be due to lack of support ring, resulting in ductile iron During the installation process, the apron with the socket fixing groove, resulting in the installation failed.
R.S.L.'s TYTON Gasket is a perfect solution to the above problems, which makes Gasket's life greatly extended, while easy to install, for the water business to save the cost of follow-up replacement and trouble.

How do we generally identify good Tyton-ring?

A Simple Method for Detecting the Quality of Tyton - Ring
1. Through the appearance of identification
Look at the appearance: International standard ISO4633 "rubber seals to the drainage pipes and sewage pipe interface seal material specifications" provides that each apron should be marked on the production date, rubber type identification. If the apron is not the production date and the rubber type of abbreviation, from the appearance can be judged as substandard products.
2. Through the identification of physical properties
Check whether the ductile iron pipe gasket can use 30 years The most important indicator is stress relaxation and compression permanent deformation, can be judged by the following two simple methods.
Anti-compression: with two pieces of steel plate clamped rubber ring for a period of time, for example, interception of 10mm long section of the apron, so that compression 30% (imitation apron into the ductile iron pipe socket, compressed 30 ~ 35%) In the room temperature compressed state of 7 days after the release of the release of apron recovery, the smaller the deformation, the faster recovery, indicating the better quality. If the release after 1 to 2 hours can not be basically restored rebound or apron has been a permanent deformation, then the quality of the apron failed, or even use the probability of renewable rubber is very large.
Flexion: the apron pairs of bending up to 180 degrees placed in the sun for 2-3 weeks, to see whether the surface of the crack phenomenon, the crack is proportional to the same time. The smaller the crack, the better the quality. Mixed with the production of apron apron, tortoise crack will be very much and deep cracks.
3. Through the identification of health indicators
July 1, 2012 the country's water quality detection indicators reached 106, of which water color and turbidity is the detection of two basic indicators. Rubber seal apron is wading products, must use the environmental auxiliaries, many workshops and small factories using recycled rubber and toxic additives, health testing can not meet the standard. Can be identified by the boiled method: cut 5cm long apron cut into pieces in the water to cook 1 to 2 hours to see the water color, turbidity, the lower the color, the smaller the turbidity, that the apron The greater the reliability of meeting health requirements. If you use recycled rubber or toxic chemical additives, the color of water will become brown.
Neoprene Rubber
 SBR Rubber 
 Nitrile Rubber
 FKM Rubber

1 DN1400 1549 1569 43.5 27 80 23
2 DN1200 1345 1352 43.5 27 78 20
3 DN1000 1127 1133 39.5 23 70 18
4 DN900 1020 1026 37.5 22 65.0 18
5 DN800 913 919 35.5 21 60.0 16
6 DN700 803 809 33.5 20 55.0 16
7 DN600 688 695 25.0 14 44.0 11
8 DN500 579 585 24.0 14 42.0 9
9 DN450 526 528 22.0 13 38.0 8
10 DN400 473 475 22.0 13 38.0 8
11 DN350 418 421 20.0 12 34.0 7
12 DN300 358 363 20.0 11 32.0 7
13 DN250 306 310 18.0 11 31.0 6
14 DN200 251 255 18.0 10 30.0 6
15 DN150 194 200 16.0 10 26.0 5
16 DN100 143 147 16.0 10 25.0 5
17 DN80 123 127 15.5 10 24.5 5


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