MBT Rod Back-Up Ring
Filled PTFE back-up rings primarily used with U-seals.
| SEAL INFORMATION | |
| MATERIAL | FILLED PTFE |
| TEMPERATURE RANGE | -100° TO +500° F |
| PRESSURE RANGE | 0 TO 5,000 PSI |
| SPEED | 3 FT/SEC |
| Part Number | A Nom. ID | B Nom. OD | C Nom. Ht |
| 3.15mm C/S | |||
| MBT-12X3.15X1.5 MBT-14X3.15X1.5 | 12 14 | 18.3 20.3 | 1.5 1.5 |
| 3.5mm C/S | |||
| MBT-18X3.5X1.5 MBT-22X3.5X1.5 | 18 22 | 25 29 | 1.5 1.5 |
| 3.75mm C/S | |||
| MBT-28X3.75X3SB | 28 | 35.5 | 3 |
| 3.8mm C/S | |||
| MBT-63.5X3.8X4.3SB | 63.5 | 71.1 | 4.3 |
| 4mm C/S | |||
| MBT-16X4X2SB MBT-18X4X2SB MBT-22X4X1SG MBT-23.5X4X2SB MBT-25X4X1SG MBT-25X4X2SB MBT-28X4X1.5 MBT-32X4X1SG MBT-36X4X1.5 MBT-45X4X1.5 | 16 18 22 23.5 25 25 28 32 36 45 | 24 26 30 31.5 33 33 36 40 44 53 | 2 2 1 2 1 2 1.5 1 1.5 1.5 |
| 4.5mm C/S | |||
| MBT-71X4.5X3SB | 71 | 80 | 3 |
| 4.75mm C/S | |||
| MBT-35.5X4.75X3SB | 35.5 | 45 | 3 |
| 4.8mm C/S | |||
| MBT-32X4.8X1.5SG | 32 | 41.6 | 1.5 |
| 5mm C/S | |||
| MBT-8X5X2SB MBT-10X5X2SB MBT-14X5X2SB MBT-15X5X2SB MBT-16X5X2SB MBT-18X5X2SB MBT-20X5X2SB MBT-25X5X2SB MBT-30X5X1.5SG MBT-30X5X1.9SB MBT-30X5X3SB MBT-32X5X2SG MBT-35X5X1.5SG MBT-35X5X2SG MBT-35X5X3SB MBT-38X5X3SB MBT-40X5X0.5 MBT-40X5X1.5 MBT-40X5X2SG MBT-40X5X3SB MBT-45X5X1.5SG MBT-45X5X2SGM MBT-45X5X3SGM MBT-50X5X1.5SG MBT-50X5X3SB MBT-50X5X3.5SB MBT-53X5X2SG MBT-55X5X1.5SG MBT-55X5X3SB MBT-56X5X1.5 MBT-56X5X3SB MBT-60X5X1.5SG MBT-60X5X3SB MBT-63X5X3SB MBT-65X5X1.5SG MBT-65X5X3SB MBT-67X5X3SB MBT-70X5X1.5 MBT-70X5X1.5SG MBT-70X5X3SB MBT-71X5X3SB MBT-75X5X1.5SG MBT-75X5X2SG MBT-75X5X3SB MBT-80X5X3SB MBT-90X5X2SG MBT-187X5X2B MBT-215X5X2B | 8 10 14 15 16 18 20 25 30 30 30 32 35 35 35 38 40 40 40 40 45 45 45 50 50 50 53 55 55 56 56 60 60 63 65 65 67 70 70 70 71 75 75 75 80 90 187 215 | 18 20 24 25 26 28 30 35 40 40 40 42 45 45 45 48 50 50 50 50 55 55 55 60 60 60 63 65 65 66 66 70 70 73 75 75 77 80 80 80 81 85 85 85 90 100 197 225 | 2 2 2 2 2 2 2 2 1.5 1.9 3 2 1.5 2 3 3 .5 1.5 2 3 1.5 2 3 1.5 3 3.5 2 1.5 3 1.5 3 1.5 3 3 1.5 3 3 1.5 1.5 3 3 1.5 2 3 3 2 2 2 |
| 5.3mm C/S | |||
| MBT-22.4X5.3X2SB | 22.4 | 33 | 2 |
| 5.5mm C/S | |||
| MBT-45X5.5X0.5 MBT-45X5.5X3SB MBT-60X5.5X3SB | 45 45 60 | 56 56 71 | .5 3 3 |
| 6.5mm C/S | |||
| MBT-25X6.5X2SB MBT-27X6.5X3SB MBT-30X6.5X3SB MBT-31.5X6.5X3SB MBT-40X6.5X2SG MBT-42X6.5X2SG MBT-50X6.5X2SG MBT-50X6.5X3SB MBT-55X6.5X3SB MBT-60X6.5X3SB MBT-65X6.5X3SB MBT-66X6.5X3SB MBT-70X6.5X3SB MBT-75X6.5X3SB MBT-80X6.5X3SB MBT-112X6.5X3SB | 25 27 30 31.5 40 42 50 50 55 60 65 66 70 75 80 112 | 38 40 43 44.5 53 55 63 63 68 73 78 79 83 88 93 125 | 2 3 3 3 2 2 2 3 3 3 3 3 3 3 3 3 |
| 7mm C/S | |||
| MBT-136X7X3SB | 136 | 150 | 3 |
| 7.3mm C/S | |||
| MBT-50.4X7.3X3SB | 50.4 | 65 | 3 |
| 7.5mm C/S | |||
| MBT-35X7.5X3SB MBT-35.5X7.5X3SB MBT-40X7.5X3SB MBT-45X7.5X3 MBT-48X7.5X2SG MBT-48X7.5X3SB MBT-50X7.5X0.6 MBT-50X7.5X2SG MBT-50X7.5X3 MBT-55X7.5X2SG MBT-55X7.5X3 MBT-55X7.5X3SB MBT-60X7.5X0.5 MBT-60X7.5X3SB MBT-65X7.5X2SG MBT-65X7.5X3SB MBT-70X7.5X2SG MBT-70X7.5X3SB MBT-75X7.5X2SG MBT-75X7.5X3SB MBT-80X7.5X3SB MBT-85X7.5X2SG MBT-85X7.5X3SB MBT-90X7.5X2SG MBT-90X7.5X3SB MBT-95X7.5X2SG MBT-95X7.5X3SB MBT-100X7.5X1.5 MBT-100X7.5X3SB MBT-105X7.5X2SG MBT-105X7.5X3SB MBT-110X7.5X3SB MBT-115X7.5X2G MBT-115X7.5X3SB MBT-120X7.5X3SB MBT-125X7.5X3SB MBT-130X7.5X3SB MBT-135X7.5X3SB MBT-140X7.5X3SB MBT-145X7.5X3SB MBT-150X7.5X3SB MBT-155X7.5X4SB MBT-160X7.5X4SB MBT-165X7.5X4SB MBT-175X7.5X4SB | 35 35.5 40 45 48 48 50 50 50 55 55 55 60 60 65 65 70 70 75 75 80 85 85 90 90 95 95 100 100 105 105 110 115 115 120 125 130 135 140 145 150 155 160 165 175 | 50 50.5 55 60 63 63 65 65 65 70 70 70 75 75 80 80 85 85 90 90 95 100 100 105 105 110 110 115 115 120 120 125 130 130 135 140 145 150 155 160 165 170 175 180 190 | 3 3 3 3 2 3 .6 2 3 2 3 3 .5 3 2 3 2 3 2 3 3 2 3 2 3 2 3 1.5 3 2 3 3 2 3 3 3 3 3 3 3 3 4 4 4 4 |
| 8mm C/S | |||
| MBT-32X8X3B MBT-34X8X3SB MBT-40X8X3SB MBT-45X8X3SB MBT-50X8X3G MBT-55X8X3SB MBT-64X8X3SB | 32 34 40 45 50 55 64 | 48 50 56 61 66 71 80 | 3 3 3 3 3 3 3 |
| 8.5mm C/S | |||
| MBT-115X8.5X3SB | 115 | 132 | 3 |
| 10mm C/S | |||
| MBT-45X10X3B MBT-50X10X3SB MBT-55X10X3SB MBT-60X10X3SB MBT-65X10X3 MBT-70X10X3C MBT-70X10X4SB MBT-75X10X2C MBT-75X10X3SB MBT-84X10X2.5SG MBT-85X10X3SB MBT-90X10X3 MBT-95X10X3 MBT-100X10X3SB MBT-105X10X3SB MBT-110X10X3SB MBT-115X10X3SB MBT-115X10X4SB MBT-120X10X3SB MBT-125X10X4SB MBT-130X10X3SB MBT-135X10X3SB MBT-140X10X3SB MBT-140X10X4SB MBT-145X10X3SB MBT-150X10X3SB MBT-150X10X4SB MBT-160X10X3SB MBT-160X10X4SB MBT-170X10X4SB | 45 50 55 60 65 70 70 75 75 84 85 90 95 100 105 110 115 115 120 125 130 135 140 140 145 150 150 160 160 170 | 65 70 75 80 85 90 90 95 95 104 105 110 115 120 125 130 135 135 140 145 150 155 160 160 165 170 170 180 180 190 | 3 3 3 3 3 3 4 2 3 2.5 3 3 3 3 3 3 3 4 3 4 3 3 3 4 3 3 4 3 4 4 |
| 12.5mm C/S | |||
| MBT-125X12.5X3SB MBT-140X12.5X3SB MBT-155X12.5X4SB MBT-175X12.5X4SB MBT-190X12.5X4SB MBT-200X12.5X4SB MBT-280X12.5X4SB | 125 140 155 175 190 200 280 | 150 165 180 200 215 225 305 | 3 3 4 4 4 4 4 |