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- The Figure 7401SS Rigid Coupling is a Stainless Steel coupling made of ASTM A-743/A743M cast stainless steel which is the cast equivalent to 316 Stainless Steel. It is designed for installation on grooved Stainless Steel Schedules 10 and 40 pipe and grooved fittings. The stainless steel material is suitable for a variety of aggressive corrosive environments. The Figure 7401SS provides a rigid joint connection by firmly gripping along the circumference of the pipe grooves. It is capable of pressures up to 750 psi (41.4 bar) depending on pipe size and wall thickness.
NOT FOR USE" PETROLEUM APPLICATIONS.
- Stainless steel bolts are metric track head bolts conforming to ASTM A 193M Class 2, Type 316 Grade B8M. Bolts are coated with an anti-galling agent.
- Class 2 stainless steel nuts are heavy hex nuts conforming to ASTM A 194M, Type 316, Grade 8M.
- 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 70,000 psi (4826.3 bar). Yield strength, minimum 30,000 psi (2068.4 bar). Elongation in 2" (50mm) minimum 30%.
- (2) 1/2 x 3 in (M12 x 76) Coupling Bolts
- Material Stainless SteelNominal Size4 inTypeRigidBody MaterialASTM A-743/A743MFitting / Connector TypeCouplingLength1.97 inManufacturerAnvil InternationalManufacturer #0390065310Method of ManufactureCastPressure Rating600 psiSeries7401SpecificationsGrade "EP" EPDM (Green and Red color code)Temperature Rating-40 to 250 deg F