GT4020G10E GroovJoint Galvanized Ductile Iron Rigid Coupling (10", EPDM Gasket)

GT4020G10E GroovJoint Galvanized Ductile Iron Rigid Coupling (10", EPDM Gasket)

GroovJoint Model #GT4020 couplings are manufactured by DUCCO industries, sold by GroovJoint. Can be used on Schedule 10 or Schedule 40 grooved pipe.

Maximum Working Pressure:
1”–12” Sch.10 stainless steel grooved pipe 300 psi (21 bar)
1”–6” Sch. 40 stainless steel grooved pipe 750 psi (52 bar)
8”–12” Sch. 40 stainless steel grooved pipe 600 psi (41 bar)
UL/ULC/FM Listed
1”–12” Sch.10/40 stainless steel grooved pipe 300 psi (21 bar)

Ductile Iron Housing
ASTM A-536 Grade 65-45-12

Coating
Hot dipped zinc galvanization

Bolts
ASTM A183 Zinc plating oval neck track-head bolts
316 SS Bolts available upon request

Nuts
ASTM A183 Heavy hexagon nuts
316 SS nuts available upon request

Gaskets

EPDM Grade “E” (green stripe)
• Temperature range -30°F to +230°F/-34°C to +110°C
• Recommended for hot/cold water service, it can also be used with a wide variety of dilute acids, oil-free air and many chemical services.
• IAPMO classified in accordance with ANSI/NSF 61 for potable water service from +86°F to +180°F/+30°C to +82°C.
• Not recommended for petroleum or steam service. 

Nitrile Grade (Buna, NBR) “T” (orange stripe)
• Temperature range -20°F to +180°F /-29°C to +82°C
• Recommended for petroleum products, air with oil vapors, vegetable oils and mineral oils.
• Not recommended for hot water services over +150°F/+66°C or for hot dry air over +140°F/+60°C. 

Fluorelastomer Grade (Viton, FKM) “O” (blue stripe)
• Temperature range +20°F to +300°F/-7°C to +149°C
• Recommended for oxidizing acids, petroleum oil products, hydrocarbons, hydraulic fluids and air with hydrocarbons.