Page 97 - GRINNELL Mechanical Grooved Piping Products EMEA

Stainless Steel Systems
Coupling Specifications Material Specifications
Stainless Steel Housing Specifications
• Type 316, ASTM A 743/A 743M – Standard specification for castings, iron-chromium, iron-chromium-nickel, corrosion resistant; for general application Grade CR-8M.
• Tensile strength, minimum 4826 Bar (70,000 psi)
• Yield strength, minimum 2068 Bar (30,000 psi)
• Elongation in 50mm (2") minimum 30%
Bolt/Nut Specifications
• Stainless steel bolts are metric track head bolts conforming to ASTM A 193M Class 2, Type 316 Grade B8M
• Class 2 stainless steel nuts are heavy hex nuts conforming to ASTM A 194M, Type 316, Grade 8M
• Bolts are coated with an anti-galling agent
Gasket Specifications
Fitting Specifications
Tech Data Sheet: G571
Material Specifications
• Fabricated: 304/316 stainless steel conforming to ASTM A 312, Schedule 10 and Schedule 40
• Full-flow: 304/316 stainless steel conforming to ASTM A 403 WPW or A 403 CR
• Pipe wall thickness in groove area of standard stainless steel fittings are"
2.0mm (0.08") for sizes 25 to 100mm (1" to 4");
3.0mm (0.12") for 125 to 200mm (5" to 8"); and
4.0mm (0.16") for 250 to 300mm (10" and 12"). Fittings are fabricated from SS316Ti / 1.4571
Fittings are available in full-flow and fabricated versions in 304 and 316 S.S. Fabricated fittings are available with Schedule 10 or Schedule 40 wall thickness.
For pressure ratings of fittings, refer to data sheet G571.
For detailed Listing / Approval information contact GRINNELL Mechanical Products
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Grade “E” EPDM gaskets have a Green colour code stripe identification and conform to ASTM D 2000 for service temperatures from -34°C to 110°C (-30°F to 230°F). They are recommended for hot water not to exceed 110°C (230°F) plus a variety of dilute acids, oil free air, and many chemical services. They are not recommended for petroleum services.
Grade “T” Nitrile gaskets have an Orange colour code stripe identification and conform to ASTM D 2000 for service temperatures from -29°C to 82°C (-20°F to 180°F). They are recommended for petroleum products, vegetable oils, mineral oils, and air with oil vapours.
Grade “L” Silicone gaskets are Red colour code stripe and conform to ASTM D 2000 for service temperatures from -34°C to 177°C (-30°F to 350°F). They are recommended for air without hydrocarbons, or dry heat.
Grade “O” Fluoroelastomer gaskets have a Blue colour code stripe and conform to ASTM D 2000. They are recommended for oxidizing acids, petroleum products, hydraulic fluids, lubricants, and halogenated hydrocarbons.
For local country potable water approvals, contact a GRINNELL Sales Representative.
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