MUELLER® 2.5-12 Inch UL-FM Gravity Swing Check Valve FLxFL
MUELLER® 2.5-12 Inch UL-FM Gravity Swing Check Valve FLxFL
Catalog Numbers:
- U-2120-6BB Flange Ends - Bronze Disc Ring and Bronze Seat Ring
- U-2122-6B1 Flange Ends - Rubber Disc Facing and Bronze Seat Ring
Specifications:
- 2-1/2" - 12"
- 200 psi (1380 kPa/13.80 bar) Working Pressure - 400 psi (2760 kPa/27.60 bar) Test Pressure
- Listed by Underwriter Laboratories, Inc. and approved by Factory Mutual Research Corporation
- ANSI B16.1 CL125 Flanges
DIMENSIONAL INFORMATION FOR FLANGE END CHECK VALVES
Size | Dimension- inches (mm) | ||||||||||||||
E | F | FF | G |
| R | UU | Q | ||||||||
2-1/2 | (65) | 6.57 | (167) | 3.50 | (89) | 8.50 | (216) | 1.50 | (38) | 7.01 | (178) | 5.51 | (140) | 2.50 | (65) |
3 | (80) | 7.48 | (190) | 3.78 | (96) | 9.50 | (241) | 1.50 | (38) | 7.52 | (191) | 5.98 | (152) | 3.00 | (80) |
4 | (100) | 8.31 | (211) | 4.53 | (115) | 11.50 | (292) | 1.50 | (38) | 9.02 | (229) | 7.52 | (191) | 4.00 | (100) |
6 | (150) | 10.59 | (269) | 5.51 | (140) | 14.00 | (356) | 1.75 | (44) | 10.98 | (279) | 9.49 | (241) | 6.00 | (150) |
8 | (200) | 12.2 | (310) | 6.77 | (172) | 19.50 | (495) | 1.75 | (44) | 13.50 | (343) | 11.77 | (299) | 8.00 | (200) |
10 | (250) | 13.86 | (352) | 7.99 | (203) | 24.50 | (622) | 2.00 | (53) | 15.98 | (406) | 14.25 | (362) | 10.00 | (250) |
12 | (300) | 16.26 | (413) | 9.53 | (242) | 27.50 | (698) | 2.00 | (54) | 19.02 | (483) | 17.01 | (432) | 12.00 | (300) |
CHECK VALVE PARTS ORDERING INFORMATION - Specify: Quantity, Catalog Number, Part Name, Size of Valve,
Catalog Number of Valve, and Year Date of Valve
SWING VALVE CHECK WEIGHT
| 2-1/2" | 3" | 4" | 6" | 8" | 10" | 12" | |
| lbs. | 44 | 51 | 80 | 152 | 313 | 462 | 660 |
| kg. | 20.0 | 23.1 | 36.3 | 68.9 | 142 | 209.6 | 299.4 |
Catalog Parts Numbers | Description | Material | Material Standard |
CU-1 | Cover | Cast Iron | ASTM 126 Class B |
CU-2 | Arm Disc Bushing | Bronze | ASTM B62 |
CU-3 | Arm | Cast Iron | ASTM 126 Class B |
CU-4 | Cover Stud & Nut | Zinc Coated Steel | ASTM A307 Grade B |
CU-5 | Body | Cast Iron | ASTM 126 Class B |
CU-6 | Seat Holder | Bronze | ASTM B62 |
CU-7 | Plug (B) | Malleable Iron | ASTM 47 |
CU-8 | Disc Seat Bolt | Stainless Steel | ASTM A276 Type 304 |
CU-9 | Body Seat Ring | Bronze | ASTM B62 |
CU-10 | Disc Seat Ring | Rubber | Buna D2000 BK707 |
CU-11 | Disc | Cast Iron | ASTM 126 Class B |
CU-12 | Pin | Stainless Steel | ASTM 276 Type 304 |
CU-13 | Washer | Brass | ASTM B21 |
CU-14 | Disc Nut | Brass | ASTM B21 |
CU-15 | Disc Stud | Brass | ASTM B21 |
CU-16 | Cover Gasket | Rubber | Buna D2000 BK 707 |
CU-17 | Plug | Brass | ASTM B21 |
CU-18 | O-Ring | Rubber | Buna N D2000 BK 707 |
CU-19 | Hinge Pin | Stainless Steel | ASTM 276 Type 304 |
CU-20 | Body Bushing | Bronze | ASTM B62 |
CU-21 | Spacer | Bronze | ASTM B62 |
CU-22 | Arm Bushing | Bronze | ASTM B62 |
CU-23 | Disc Seat Bearing | Bronze | ASTM B62 |