linkedn twitter facebook
Products Page
RT-491
RT-491
Technical Features
  • Single Seal
  • UnBalanced
  • Bi-Directional
Operating Limits
d1 = 18 ... 100 mm
p1 = 16 bar 232 PSI
t1 = -40 ... 200 °C -40 ... 392 °F
vg = 20 m/s 66 ft/s
Material Combinations
Seal Faces: Carbon
Stationary Seats: Silicon Carbide, Tungsten Carbide, Stainless Steel, Ceramic
Elastomers
  • fkm
  • nitryl
  • epdm
  • silicon rubber
d1 d2 d3 d4 l1 l2
18 27.0 33.0 32.3 8.5 35.2
20 29.0 35.0 34.3 8.5 35.2
22 31.0 37.0 36.3 8.5 35.2
24 33.0 39.0 38.3 8.5 35.2
25 34.0 40.0 39.3 8.5 35.2
28 37.0 43.0 42.3 8.5 35.2
30 39.0 45.0 44.3 8.5 35.2
32 42.0 48.0 46.3 8.5 35.2
33 42.0 48.0 46.3 8.5 35.2
35 44.0 50.0 49.5 8.5 35.2
38 49.0 56.0 54.3 10.0 44.7
40 51.0 58.0 58.1 10.0 44.7
43 54.0 61.0 59.1 10.0 44.7
45 56.0 63.0 61.1 10.0 44.7
48 59.0 66.0 64.1 10.0 44.7
50 62.0 70.0 66.1 10.5 44.7
55 67.0 75.0 71.1 12.0 44.7
60 72.0 80.0 77.2 12.0 44.7
65 77.0 85.0 83.0 12.0 44.7
70 83.0 92.0 86.1 12.5 44.7
75 88.0 97.0 98.4 13.0 51.0
80 95.0 105.0 104.8 13.0 51.0
85 100.0 110.0 108.0 15.0 51.0
90 105.0 115.0 114.3 15.0 51.0
95 110.0 120.0 117.5 15.0 51.0
100 115.0 125.0 123.9 15.0 51.0