Page 345 - Mechanical Products Installation Handbook IH-1000M

GASKETS 337 Gasket Grade & Service Recommendations
Grade Temperature Range
Compound & General Service Application Color Code
“E”
-30°F to 230°F (-34°C to 110°C)
EPDM Green
Hot water, dilute acids, alkalis,
oil free air, and many chemical services not involving petroleum products
Excellent oxidation resistance
Not for use with hydrocarbons
Not recommended for steam service
“E” Tri- Seal
-30°F to 230°F (-34°C to 110°C)
EPDM Green
Hot water, dilute acids, alkalis, and many chemical services not involving petroleum products
Excellent oxidation resistance Not for use with hydrocarbons
Recommended for use in low-temperature and vacuum systems
“EHT” Center-Stop
Push-On
-30°F to 250°F (-34°C to 121°C)
EPDM
Red and Copper, and
Red and Green Striped
Closed-loop heating systems up to 250°F (121°C)
NSF-61 Approved for Potable Water up to 180°F (82°C)
Recommended for use in low-temperature and vacuum systems
Not for use with hydrocarbons
Designed for use with GRINNELL Figure 640 and 740 Pivot-Bolt Couplings
Potable Water up to 180°F (82°C)
“EN” Tri-Seal
for Copper Tubing
Potable Water up to 180°F (82°C)
EPDM Copper
CTS sizes only
NSF 61 Approved for Potable Water Not for use with hydrocarbons
“EN” and “EN” Tri-Seal
for IPS Pipe
Potable Water up to 180°F (82°C)
EPDM Green / Yellow
IPS Pipe sizes
NSF 61 Approved for Potable Water Not for use with hydrocarbons
“T” and
“T” Tri-Seal
-20°F to 180°F (-29°C to 82°C)
Nitrile Orange
Petroleum products, vegetable oils, mineral oils, air with oils
High-end oil vapor temperature decreases to 150°F (66°C)
Not recommended for hot water or hot dry air systems
“O” and
“O” Tri-Seal
20°F to 300°F (-7°C to 149°C)
Fluoroelastomer Blue
Oxidizing acids, petroleum products, hydraulic fluids, lubricants, halogenated hydrocarbons
-30°F to 350°F “L” (-34°C to 177°C)
Note:
Siliconea
Red Gasket Air without hydrocarbons, dry heat
a. Topreventgasketdeterioration,neverusesilicone-basedlubricantswithGrade“L”siliconegaskets. • Refer to Technical Data Sheet G610 Gaskets