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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.
Unit of Measure

Specifications

Industry Standards/Certifications

NSF/ANSI 61

Type

Stainless Steel Rigid Coupling

Style

Grooved

Nominal Size

10 in

Housing Material

Type 316L, ASTM A 743/A 743M – Standard specification for castings, iron-chromium, iron-chromium-nickel, corrosion resistant; for general application Grade CR-8M.

Coatings

Plain

Gasket Material

EPDM

Gasket Type

Standard C Style

Bolt Material

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.

Heavy Hex Nut

Class 2 stainless steel nuts are heavy hex nuts conforming to ASTM A 194M, Type 316, Grade 8M.

Coupling Bolts Size

1 x 6 1/2 in

Coupling Bolts Qty.

2

Lubrication

Standard Gruvlok, Gruvlok Xtreme™

Application

Recommended for water service, diluted acids, alkaline solutions, oil-free air and many other chemical services. NOT FOR USE IN PETROLEUM APPLICATIONS. For hot water applications the use of Gruvlok Extreme Temperature lubricant is recommended.

Min. Service Temperature Range

-40 ºF

Max. Service Temperature Range

250 ºF
Max. Working Pressure1 600 psi
Max. End Load2 54.455 lb
Max. End Gap3 0.13 in

Product Number

0390065318

UPC Code

65280804746

Weight

32.20 lb
  • 1 Maximum Pressure and End Load are total from all loads based on schedule 40 stainless steel pipe. Pressure ratings and end loads may differ for other pipe materials and/or wall thicknesses. Contact an Anvil Sales Representative for details.
  • 2 Maximum Pressure and End Load are total from all loads based on schedule 40 stainless steel pipe. Pressure ratings and end loads may differ for other pipe materials and/or wall thicknesses. Contact an Anvil Sales Representative for details.
  • 3 Maximum available gap between pipe ends. Minimum gap = 0. Max End Gap and Deflection is for cut grooved standard weight stainless steel pipe. Values for roll grooved pipe will be half that of cut grooved.