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Rigid Couplings

Standard Weight Rigid Coupling with “C” Gasket

Maximum working pressure depending on schedule of pipe:

11/2″-12″ Sch.10 stainless steel pipe 300psi (20.7bar)

11/2″-12″ Sch. 40 stainless steel pipe 600psi (41.1bar)

Gasket Grade E-EPDM (green stripe) -30F to 230F Gasket Grade T-Nitrile (orange stripe) -20F to 180F UL 213 Tested and Approved and NSF 61 Approved Stainless Steel Couplings conform to ASTM A743/A743M Bolts conform to ASTM A193M Class 2, Type 304 B8MS tainless Steel Nuts are hex nuts conform to ASTM A 194M

Type 304

Rigid Couplings
Pipe Size Max. †
Pressures
psi (bar)
Nominal Dimensions Coupling Bolts
Nominal

ANSI Inches

DN

O.D.

Inches

mm

 

A
Inches
mm
B
Inches
mm
C
Inches
mm
Qty. Size**
Inches
2 2.375 600 3.41 5.12 1.88 2 3/8
DN50 (60,3) (41,4) (86,6) (130,0) (47,8)
2-1/2 2,875 600 3.91 5.63 1.88 2 3/8
DN65 (73,0) (41,4) (99,3) (143,0) (47,8)
3 3.500 600 4.63 6.25 1.88 2 3/8
DN80 (88,9) (41,4) (117,6) (158,8) (47,8)
4 4.500 600 5.81 7.50 1.97 2 3/8
DN100 (114,3) (41,4) (147,6) (190,5) (50,0)
5 5.563 600 7.09 9.71 2.04 2 1/2
DN125 (141,3) (41,4) (180,1) (246,6) (51,8)
6 6.625 600 8.09 10.53 2.13 2 1/2
DN150 (168,3) (41,4) (205,5) (267,5) (54,1)
8 8.625 600 10.56 13.56 2.62 2 5/8
DN200 (219,1) (41,4) (268,2) (344,4) (66,5)
10 10.750 600 12.84 16.41 2.62 2 7/8
DN250 (273,0) (41,4) (326,1) (416,8) (66,5)
12 12.750 600 15.41 18.84 2.62 2 7/8
DN300 (323,9) (41,4) (391,4) (478,5) (66,5)
Gasket style
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