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Material Specifications
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Metallurgical Specifications:
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GRINNELL G-FIRE Products applicable material specifications for ductile iron, galvanizing and rubber-injection apply.
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Housing / Fitting Specifications:
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ASTM A 536 - Standard Specification for Ductile Iron Castings Grade 65-45-12
Tensile Strength, minimum psi - 65,000
Yield Strength, minimum psi - 45,000
Elongated in 2" or 50mm, minimum 12%
ASTM A 153 - Standard Specification for Hot Dip Galvanizing
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Gasket Specifications:
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Grade ‘A’ EPDM gaskets have a violet color code stripe identification, and conform to ASTM D-2000 for fire protection services for service temperature from -30°F to 150°F (-34°C to 66°C). They are not recommended for hot water services. For dry pipe or freezer systems, use tri-seal Grade ‘E’ gaskets.
Grade ‘E’ EPDM gaskets have a green color code stripe identification and conform to ASTM D-2000 for service temperature from -30°F to 230°F (-34°C to 110°C). They are recommended for hot water not to exceed 230°F (110°C). They are not recommended for petroleum services.
Grade ‘E’ EPDM Tri-Seal gaskets have a green color code stripe identification and conform to ASTM D-2000 for service temperature from -30°F to 230°F (-34°C to 110°C). Recommended dry pipe or freezer systems. They are recommended for hot water not to exceed 230°F (110°C). They are not recommended for petroleum services.
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Bolt / Nut Specifications:
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Bolts and Nuts: Coupling bolts and nuts are heat treated carbon steel, oval-neck track head bolts and heavy hex nuts, conforming to ASTM A 183 with a minimum tensile strength of 110,000 psi.Bolts and nuts are Zinc electroplated to ASTM B 633.
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Paint Specifications:
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Orange - non-lead paint (standard)
Red - non-lead paint (optional)
Hot-Dipped, Zinc Galvanized (optional)
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