10.8. HEAT TRANSFER OIL
GLOBAL, heat transfer oil are mineral type for use in secondary or indirect heating systems. They are effective in high and low temperatures and easy to pump and circulate. Grade 22 should be used with bulk oil temperatures up to 315C ( 600F) and skin temperatures up to 371C ( 700F ). Grade 46 should be used where bulk oil temperatures do not exceed 290C (550F ). The oil surface in contact with air in open systems should not exceed 110C (225F ).
CHARACTERISTICS:
| GRADE | 22 | 45 |
API GRAVITY |
30.8 | 31.1 |
VISCOSITY, KINEMATIC |
||
cSt @ 40C |
23.1 | 41.1 |
cSt @ 100C |
4.4 | 6.6 |
VISCOSITY, SAYBOLT |
||
SUS @ 100F |
120 | 211 |
SUS @ 210F |
41.1 | 48.3 |
VISCOSITY INDEX |
98 | 113 |
FLASH POINT, C(F) |
199(390) | 235(455) |
POUR POINT, C(F) |
-15(+5) | -15(+5) |
PRODUCT CODE |
GI1081 | GI1082 |