Grade EP EPDM (Green and Red color code) -40°F to 250°F (Service Temperature Range)(-40°C to 121°C)Recommended for water service, diluted acids, alkalies solutions, oil-free air and many other chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS.
Grade T Nitrile (Orange color code) NOT FOR USE IN DRINKING WATER -20°F to 180°F (Service Temperature Range)(-29°C to 82°C)Recommended for petroleum applications. air with oil vapors andvegetable and mineral oils. NOT FOR USE IN HOT WATER OR HOT AIR
Grade O Fluoro-Elastomer (Blue color code) NOT FOR USE IN DRINKING WATER Size Range: 2" - 12" (C style only) 20°F to 300°F (Service Temperature Range)(-29°C to 149°C) Recommended for high temperature resistance to oxidizing acids,petroleum oils, hydraulic fluids, halogenated hydrocarbons and lubricants.
Grade L Silicone (Red color code) NOT FOR USE IN DRINKING WATER Size Range: 2" - 12" (C style only) -40°F to 350°F (Service Temperature Range)(-40°C to 177°C)Recommended for dry, hot air and some high temperature chemical services.
The Gruvlok Fig. 7004 is designed to provide the versatility of a grooved joint while providing a rigid pipe joint.
The Fig. 7004 coupling permits working pressure ratings up to 1200 psi (82.7 bar).
This coupling is also suited for lower pressure systems which experience pressure pulses. Systems used for high pressure, including auto and truck washes, will benefit from the increased pressure capability.
Working Pressure & End Load values are based on grooved standard wall pipe.
Fig. 7004 provides a rigid joint and does not allow for expansion or contraction. The Fig. 7004 coupling is an ideal choice for higher pressure applications such as elevator services.
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Housing materialDuctile iron conforming to ASTM A 536, grade 65-45-12.