MKR-U Buffer Seal
Style MKR-U seals are molded from Zurcon® Z52 urethane. This seal is designed to allow for back-pumping capabilities while improving wear resistance and decreasing friction. This seal can be used as a secondary seal or in tandem with a PTFE buffer seal.
SEAL INFORMATION | |
MATERIAL | 58D URETHANE BUFFER 70A NBR ENERGIZER |
TEMPERATURE RANGE | -49° TO +212° F |
PRESSURE RANGE | 0 TO 3,600 (SINGLE)PSI 0 TO 8,700 (TANDEM) PSI |
SPEED | 1.6 FT/SEC |
Part Number | A Nom. ID | B Nom. OD | C Nom. Ht |
MKR-25X32.3X3U MKR-25X35.7X4U MKR-30X37.3X3U MKR-32X42.7X4U MKR-36X46.7X4U MKR-40X50.7X4U MKR-40X55.1X6U MKR-45X60.1X6U MKR-50X65.1X6U MKR-55X70.1X6U MKR-56X71.1X6U MKR-60X75.1X6U MKR-63X78.1X6U MKR-70X85.1X6U MKR-80X95.1X6U MKR-90X105.1X6U MKR-100X115.1X6U MKR-105X120.1X6U MKR-110X125.1X6U MKR-120X135.1X6U MKR-125X140.1X6U MKR-130X145.1X6U MKR-140X155.1X6U MKR-150X165.1X6U MKR-160X175.1X6U MKR-180X195.1X6U | 25 25 30 32 36 40 40 45 50 55 56 60 63 70 80 90 100 105 110 120 125 130 140 150 160 180 | 32.3 35.7 37.3 42.7 46.7 50.7 55.1 60.1 65.1 70.1 71.1 75.1 78.1 85.1 95.1 105.1 115.1 120.1 125.1 135.1 140.1 145.1 155.1 165.1 175.1 195.1 | 3 4 3 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 |