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

Full Line Catalog

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 ORDERING INFORMATION - Specify: Quantity, Size, and Catalog Number
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.445180152313462660
kg.20.023.136.368.9142209.6299.4

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