28000-500 SERIES

VELOCITY FUSE

INLINEMALE NPTF CONNECTIONS

Description

AN IN-LINE VELOCITY FUSE WITH MALE NPTF CONNECTIONS THAT PROVIDES FULL-LINE SHUT-OFF IN THE EVENT OF A LINE FAILURE.

Product Rendering

Schematic

Typical Performance

Operation

  • FLOW FROM (2) TO (1) PASSES THROUGH THE CONTROLLING ORIFICE BUT IS UNCONTROLLED.
  • FLOW ABOVE THE SPECIFIED LIMIT IS ASSUMED TO BE A LINE FAILURE AND IS BLOCKED.
  • A FLOW BELOW THE SPECIFIED LIMIT IS ALLOWED FROM (1) TO (2).

Features

  • RAPID RESPONSE.
  • FAIL SAFE DESIGN.
  • STEEL COMPONENTS.

Specifications

CLOSING FLOW TOLERANCE +15% / -0%
OPERATING PRESSURE 3500 PSI
REOPENING DIFFERENTIAL 50 PSI
TEMPERATURE RANGE 250° F TO -40° F

Ordering Information

ModelINLET/OUTLETFLOW RANGELTHEX
28000-5021/4-18 NPTF0.1 TO 4.0 GPM2.05"0.560"0.625"
28000-5033/8-18 NPTF0.5 TO 10.0 GPM1.75"0.600"0.750"
28000-5041/2-14 NPTF1.0 TO 25.0 GPM2.06"0.750"0.875"
28000-5063/4-14 NPTF2.0 TO 40.0 GPM2.00"0.750"1.125"
28000-5081-11 1/2 NPTF2.0 TO 50.0 GPM2.34"0.922"1.375"
28000-5121 1/2-11 1/2 NPTF2.0 TO 80.0 GPM4.75"1.0002.000

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

Model

INLET/OUTLET

FLOW RANGE

L

T

HEX

28000-502View More

1/4-18 NPTF

0.1 TO 4.0 GPM

2.05"

0.560"

0.625"

28000-503View More

3/8-18 NPTF

0.5 TO 10.0 GPM

1.75"

0.600"

0.750"

28000-504View More

1/2-14 NPTF

1.0 TO 25.0 GPM

2.06"

0.750"

0.875"

28000-506View More

3/4-14 NPTF

2.0 TO 40.0 GPM

2.00"

0.750"

1.125"

28000-508View More

1-11 1/2 NPTF

2.0 TO 50.0 GPM

2.34"

0.922"

1.375"

28000-512View More

1 1/2-11 1/2 NPTF

2.0 TO 80.0 GPM

4.75"

1.000

2.000