Page 111 - GRINNELL Mechanical Products Catalogue
P. 111
STAiNLESS STEEL SySTEmS
MATERIAL SPECIFICATIoNS Stainless Steel Housing Specifications
• Type 316L, 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 482,633 kPa (70,000 psi) • Yield strength, minimum 206,843 kPa (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
Coupling Specifications
Gasket Specifications
• Grade “E” EPDM gaskets have a green colour code 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 “EN” EPDM gaskets have a copper colour code identification and are NSF-61 approved for cold and hot portable water up to 82°C (180°F) .
• Grade “T” Nitrile gaskets have an orange colour code 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 “O” Fluoroelastomer gaskets have a blue colour code and conform to ASTM D 2000 . They
are recommended for Oxidising acids, petroleum products, hydraulic fluids, lubricants, and halogenated hydrocarbons .
For local country potable water approvals, contact GRINNELL Mechanical Products
Fitting Specifications
Tech Data Sheet: G570
Fittings are available in full-flow and fabricated versions in 304 and 316L S .S . Fabricated fittings are available with Schedule 10 or Schedule 40 wall thickness .
For pressure ratings of fittings, refer to data sheet G570 .
For local country potable water approvals, contact GRINNELL Mechanical Products
For additional listings or approvals, see page 11 or visit our website at www.grinnell.com
MATERIAL SPECIFICATIoNS
• Fabricated: 304/316L stainless steel conforming to ASTM A 312, Schedule 10 and Schedule 40
• Full-flow: 304/316L stainless steel conforming to ASTM A 403 WPW or A 403 CR
Refer to back cover for country-specific customer care numbers.
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StainleSS Steel SyStemS
