Parker Prädifa Rod T-seal

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The Parker Prädifa T-Seal is designed for installation in standard commercial 0-ring grooves. Designs should allow for proper lead-in angle (identical to those specified for 0-rings). Due attention should also be given the chamfering and/or recess-ing of shoulders, ports, and threads, which might damage the seal in installation or operation. Surface finish should be held to 32 RMS maximum in grooves, and 6-16 RMS on dynamic surfaces against which the seal is to operate.

Groove corners at B diameter may have .030 maximum radius. The other groove corners may be rounded .005 max. Groove radial walls may be relieved 5° maximum for ease of machining. The Parker Praedifa T-seal is intended for use as a single seal. Multiple installations tend to produce pressure lock with resultant reduced seal life. In the rather unusual cases where multiple seals are called for, venting should be provided between seals.

Item number  ID OD W ROD D. GROOVE D. GROOVE L.
TR001    3/4    3/8    3/32 .186 .370 .150
TR002    3/4    7/16    3/32 .248 .433 .150
TR003    5/16    1/2    3/32 .310 .495 .150
TR004    3/8    5/8    1/8 .373 .618 1.85
TR005    7/16   11/16    1/8 .435 .680 1.85
TR006    1/2    3/4    1/8 .498 .743 1.85
TR007    1/2   13/16    1/8 .560 .805 1.85
TR008    5/8    7/8    1/8 .623 .868 1.85
TR009   11/16   15/16    1/8 .685 .930 1.85
TR010    3/4 1    1/8 .747 .992 1.85
TR011   13/16 1   1/16    1/8 .809 1.054 1.85
TRO12    7/8 1   1/8    1/8 .872 1.117 1.85
TR013   15/16 1   3/16    1/8 .934 1.179 1.85
TR014 1 1   1/4    1/8 .997 1.242 1.85
TRO15    1/16 1   5/16    1/8 .1059 1.304 1.85
TR016 1   1/8 1   3/8    1/8 1.122 1.367 1.85
TR017 1   3/16 1   7/16    1/8 1.184 1.429 1.85
TR018 1   1/4 1   1/2    1/8 1.247 1.492 1.85
TR019 1   5/16 1   9/16    1/8 1.309 1.554 1.85
TR020 1   3/4 1   5/8    1/8 1.372 1.617 1.85
TR021 1   7/16 1  11/16    1/8 1.434 1.679 1.85
TR022 1   1/2 1   3/4    1/8 1.497 1.742 1.85
TR023 1   1/2 1   7/8    3/16 1.497 1.871 .280
TR024 1   5/8 2    3/16 1.622 1.996 .280
TR025 1   3/4 2   1/8    3/16 1.747 2.121 .280
TR026 1   7/8 2   1/4    3/16 1.872 2.246 .280
TR027 2 2   3/8    3/16 1.997 2.371 .280
TR028 2   1/8 2   1/2    3/16 2.122 2.496 .280
TR029 2   1/4 2   5/8    3/16 2.247 2.613 .280
TR030 2   3/8 2   3/4    3/16 2.372 2.746 .280
TR031 2   1/2 2   7/8    3/16 2.497 2.871 .280
TR032 2   5/8 3    3/16 2.622 2.996 .280
TR033 2   3/4 3   1/8    3/16 2.747 3.121 .280
TR034 2   7/8 3   1/4    3/16 2.872 3.246 .280
TR035 3 3   3/8    3/16 2.996 3.370 .280
TR036 3   1/8 3   1/2    3/16 3.121 3.495 .280
TR037 3   1/4 3   5/8    3/16 3.246 3.620 .280
TR038 3   3/8 3   3/4    3/16 3.371 3.745 .280
TR039 3   1/2 3   7/8    3/16 3.496 3.870 .280
TR040 3   5/8 4    3/16 3.621 3.995 .280
TR041 3   3/4 4   1/8    3/16 3.746 4.120 .280
TR042 3   7/8 4   1/4    3/16 3.871 4.245 .280
TR043 4 4   3/8    3/16 3.996 4.370 .280
TR044 4   1/8 4   1/2    3/16 4.121 4.495 .280
TR045 4   1/4 4   5/8    3/16 4.246 4.620 .280
TR046 4   3/8 4   3/4    3/16 4.371 4.745 .280
TR047 4   1/2 4   7/8    3/16 4.496 4.870 .280
TR048 5 5   1/2    1/4 4.996 5.475 .366
TR049 5   1/4 5   3/4    1/4 5.246 5.725 .366
TR050 5   1/2 6    1/4 5.496 5.975 .366
TR051 5   5/8 6   1/8    1/4 5.621 6.100 .366
TR052 6 6   1/2    1/4 5.996 6.475 .366
TR063 6   1/4 6   3/4    1/4 6.246 6.725 .366
TR054 6   1/2 7    1/4 6.496 6.975 .366
TR055 6   3/4 7   1/4    1/4 6.746 7.225 .366
TR056 7 7   1/2    1/4 6.996 7.475 .366
TR057 7   1/4 7   3/4    1/4 7.346 7.725 .366
TR058 7   1/2 8    1/4 7.500 7.984 .366
TR059 8 8   1/2    1/4 7.996 8.475 .366
TR060 9 9   1/2    1/4 8.996 9.475 .366
TR061 9   1/2 10    1/4 9.496 9.975 .366
TR062 10 10   1/2    1/4 9.996 10.475 .366
TR063 11 11   1/2    1/4 10.996 11.475 .366
TR064 11   1/2 12    1/4 11.500 11.979 .366

 

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Parker

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