Home / Products / Buffer Seal / RST
HOT Buffer Seal

RST

RST Buffer Seal

The OSEALS RST buffer seal absorbs pressure peaks and protects the primary rod seal.

TypeSingle-Acting
Max Pressure400 bar
Max Speed1.0 m/s
Temperature-30°C ~ +110°C

Technical Details

Seal Type
Single-Acting
Max Pressure
400 bar
Max Speed
1.0 m/s
Temperature
-30°C ~ +110°C
ComponentMaterial
Sealing RingT916 (PTFE Bronze)
Energize RingN1080/80A (NBR)

Size Dimensions

Line Product Action Description Bore (mm) DG (mm) H (mm) HG (mm)
1 RST-18-8-6 RST - Bore 18mm 18 8 6 6.5
2 RST-20-10-6 RST - Bore 20mm 20 10 6 6.5
3 RST-22-12-6 RST - Bore 22mm 22 12 6 6.5
4 RST-25-15-6 RST - Bore 25mm 25 15 6 6.5
5 RST-28-18-6 RST - Bore 28mm 28 18 6 6.5
6 RST-30-20-6 RST - Bore 30mm 30 20 6 6.5
7 RST-32-22-6 RST - Bore 32mm 32 22 6 6.5
8 RST-35-21-8.5 RST - Bore 35mm 35 21 8.5 9
9 RST-40-26-8.5 RST - Bore 40mm 40 26 8.5 9
10 RST-45-31-8.5 RST - Bore 45mm 45 31 8.5 9
11 RST-50-36-8.5 RST - Bore 50mm 50 36 8.5 9
12 RST-55-40-10.5 RST - Bore 55mm 55 40 10.5 11
13 RST-60-45-10.5 RST - Bore 60mm 60 45 10.5 11
14 RST-63-48-10.5 RST - Bore 63mm 63 48 10.5 11
15 RST-65-50-10.5 RST - Bore 65mm 65 50 10.5 11
16 RST-70-55-10.5 RST - Bore 70mm 70 55 10.5 11
17 RST-75-60-10.5 RST - Bore 75mm 75 60 10.5 11
18 RST-80-65-10.5 RST - Bore 80mm 80 65 10.5 11
19 RST-85-68-12.5 RST - Bore 85mm 85 68 12.5 13
20 RST-90-73-12.5 RST - Bore 90mm 90 73 12.5 13
21 RST-95-78-12.5 RST - Bore 95mm 95 78 12.5 13
22 RST-100-83-12.5 RST - Bore 100mm 100 83 12.5 13
23 RST-105-88-12.5 RST - Bore 105mm 105 88 12.5 13
24 RST-110-93-12.5 RST - Bore 110mm 110 93 12.5 13
25 RST-115-95-14.5 RST - Bore 115mm 115 95 14.5 15
26 RST-120-100-14.5 RST - Bore 120mm 120 100 14.5 15
27 RST-125-105-14.5 RST - Bore 125mm 125 105 14.5 15
28 RST-130-110-14.5 RST - Bore 130mm 130 110 14.5 15
29 RST-140-120-14.5 RST - Bore 140mm 140 120 14.5 15
30 RST-150-130-14.5 RST - Bore 150mm 150 130 14.5 15
31 RST-160-138-16.5 RST - Bore 160mm 160 138 16.5 17
32 RST-170-148-16.5 RST - Bore 170mm 170 148 16.5 17
33 RST-180-158-16.5 RST - Bore 180mm 180 158 16.5 17
34 RST-190-168-16.5 RST - Bore 190mm 190 168 16.5 17
35 RST-200-178-16.5 RST - Bore 200mm 200 178 16.5 17
36 RST-210-176-20 RST - Bore 210mm 210 176 20 20.5
37 RST-220-186-20 RST - Bore 220mm 220 186 20 20.5
38 RST-230-196-20 RST - Bore 230mm 230 196 20 20.5
39 RST-240-206-20 RST - Bore 240mm 240 206 20 20.5
40 RST-250-216-20 RST - Bore 250mm 250 216 20 20.5
41 RST-260-226-20 RST - Bore 260mm 260 226 20 20.5
42 RST-270-227-25 RST - Bore 270mm 270 227 25 25.5
43 RST-280-237-25 RST - Bore 280mm 280 237 25 25.5
44 RST-290-247-25 RST - Bore 290mm 290 247 25 25.5
45 RST-300-257-25 RST - Bore 300mm 300 257 25 25.5
46 RST-320-277-25 RST - Bore 320mm 320 277 25 25.5
47 RST-340-297-25 RST - Bore 340mm 340 297 25 25.5
48 RST-350-299-30 RST - Bore 350mm 350 299 30 30.5
49 RST-360-309-30 RST - Bore 360mm 360 309 30 30.5
49 sizes total