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RT-7 Double
RT-7 Double
Technical Features
  • Double Seal
  • UnBalanced
  • Bi-Directional
  • EN 12756 - DIN 24960
Operating Limits
d1 = 18 ... 100 mm
p1 = 16 ( 25 ) bar 230 ( 360 ) PSI
t1 = -30 ... 200 °C -22 ... 392 °F
vg = 20 m/s 66 ft/s
Axial Movement
d1 ≤ 100 mm ± 0.5 mm
d1 > 100 mm ± 2.0 mm
Material Combinations
Seal Faces: Silicon Carbide, Tungesten Carbide, Stainless Steel, Carbon, Ceramic
Stationary Seats: Silicon Carbide, Tungesten Carbide, Stainless Steel, Carbon, Ceramic
Elastomers
  • fkm
  • nitryl
  • epdm
  • silicon rubber
Forms Stationary Seats
  • G-4 / G-6 / G-9 / G-50 / G-60 / G-606
d1 d2 d3 d4 l1 l2 l3 l4 l5
18 27.0 33.0 33.0 11.5 38.0 61.0 19.0 17.0
20 29.0 35.0 35.0 11.5 38.0 61.0 19.0 17.0
22 31.0 37.0 37.0 11.5 38.0 61.0 19.0 17.0
24 33.0 39.0 39.0 11.5 38.0 61.0 19.0 17.0
25 34.0 40.0 40.0 11.5 38.0 61.0 19.0 17
28 37.0 43.0 43.0 11.5 39.0 62.0 19.5 17.5
30 39.0 45.0 45.0 11.5 39.0 62.0 19.5 17.5
32 42.0 48.0 47.0 11.5 39.0 62.0 19.5 17.5
33 42.0 48.0 48.0 11.5 39.0 62.0 19.5 17.5
35 44.0 50.0 50.0 11.5 39.0 62.0 19.5 17.5
38 49.0 56.0 55.0 14.0 41.0 69.0 20.5 18.5
40 51.0 58.0 57.0 14.0 42.0 70.0 21.0 19.0
43 54.0 61.0 60.0 14.0 42.0 70.0 21.0 19.0
45 56.0 63.0 62.0 14.0 42.0 70.0 21.0 19.0
48 59.0 66.0 65.0 14.0 42.0 70.0 21.0 19.0
50 62.0 70.0 67.0 15.0 43.0 73.0 21.5 19.5
53 65.0 73.0 70.0 15.0 43.0 73.0 21.5 19.5
55 67.0 75.0 72.0 15.0 43.0 73.0 21.5 19.5
58 70.0 78.0 79.0 15.0 56.0 86.0 28.0 23.5
60 72.0 80.0 81.0 15.0 56.0 86.0 28.0 23.5
63 75.0 83.0 84.0 15.0 55.0 85.0 27.5 24.5
65 77.0 85.0 86.0 15.0 55.0 85.0 27.5 24.5
68 81.0 90.0 89.0 18.0 55.0 91.0 27.5 24.5
70 83.0 92.0 91.0 18.0 56.0 92.0 28.0 23.5
75 88.0 97.0 99.0 18.0 56.0 92.5 28.0 25.5
80 95.0 105.0 104.0 18.2 56.0 92.5 28.0 25.5
85 100.0 110.0 109.0 18.2 56.0 92.5 28.0 25.0
90 105.0 115.0 114.0 18.2 56.0 92.5 28.0 25.5
95 110.0 120.0 119.0 17.2 56.0 90.5 28.0 25.0
100 115.0 125.0 124.0 17.2 56.0 90.5 28.0 25.0