NEX Series

9982 East 121st Street, Fishers, IN 46037 • 888-900-0947 • www.nexusvalve.com

��������������������������• Sensor port for pressure gauge• Built in bladder integrity monitor• Easily accessible air valve• Secure guard mount• Replaceable heavy duty butyl bladder• Design pressure of 125 psi• Factory pre-charged & field adjustable• Full flow design compatible• Manufactured in accordance with ASME Boiler and Pressure vessel code of carbon steel

Expansion Tank SeriesThe Nexus NEX series ASME expansion tanks o�er a removable bladder and are pre-charged. Designed to absorb expansion volumes and control the pressure in a heating or cooling system, the NEX series o�ers flexibility for the installing contractor with installation in either a vertical or horizontal position. The system fluid is contained in a full acceptance heavy duty butyl bladder that helps to prevent corrosion as well as waterlogging issues.

NORMALOPERATION

CONSULTFACTORY

FEX SeriesASME Replaceable Bladder Tankfor Expansion & Pressure Control

Factory InstalledColor Changing Plug

DO NOT REMOVE

www.nexusvalve.com | 9982 E 121st Street, Fishers, IN 46037

BLADDER MONITOR SYSTEM

NORMALOPERATION

CONSULTFACTORY

FEX SeriesASME Replaceable Bladder Tankfor Expansion & Pressure Control

Factory InstalledColor Changing Plug

DO NOT REMOVE

www.nexusvalve.com | 9982 E 121st Street, Fishers, IN 46037

BLADDER MONITOR SYSTEM

NORMALOPERATION

CONSULTFACTORY

FEX SeriesASME Replaceable Bladder Tankfor Expansion & Pressure Control

Factory InstalledColor Changing Plug

DO NOT REMOVE

www.nexusvalve.com | 9982 E 121st Street, Fishers, IN 46037

BLADDER MONITOR SYSTEM

NORMALOPERATION

CONSULTFACTORY

FEX SeriesASME Replaceable Bladder Tankfor Expansion & Pressure Control

Factory InstalledColor Changing Plug

DO NOT REMOVE

www.nexusvalve.com | 9982 E 121st Street, Fishers, IN 46037

BLADDER MONITOR SYSTEM

9982 East 121st Street, Fishers, IN 46037 • 888-900-0947 • www.nexusvalve.com

NEX Series

• Tanks are factory pre-charged at 40 psi and field adjustable.

• Both top and bottom connections (C and D) access the bladder.

Notes:

Gauge

Bladder Integrity Monitor

Gauge

Bladder Integrity Monitor

Li� Ring

· Closed loop hydronic heating· Hydronic cooling· Heat transfer

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· Water· Up to 50% glycol* Not suitable for potable water

NEXP-010

NEXP-013

NEXP-023

NEXP-035

NEXP-053

NEXP-079

NEXP-106

NEXP-132

NEXP-158

NEXP-211

10

13

23

35

53

79

106

132

158

211

12

14

16

20

24

24

30

30

30

32

GALLONSMODELA B

C D EF G

MAX WORKINGPRESSURE (PSI)

SHIPPING WEIGHT(LBS)SYSTEM CONNECTION CHARGING VALVE

DIMENSIONS (IN.)

23.5

24

37

37

43

55

49

57

65

76

-

-

1 NPT

1 NPT

1.5 NPT

1.5 NPT

1.5 NPT

1.5 NPT

1.5 NPT

1.5 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.75 NPT

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

0.302” - 32NC

10

10

12

16

20

20

24

24

24

28

-

-

5.5

5.5

5.25

5.25

5.25

5.25

5.25

5.25

125

125

125

125

125

125

125

125

125

125

40

50

90

125

210

225

300

335

360

475