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 GPM2.050.5630.625
28000-5033/8-18 NPTF0.5 TO 10.0 GPM1.750.6000.750
28000-5041/2-14 NPTF1.0 TO 25.0 GPM2.060.7500.875
28000-5063/4-14 NPTF2.0 TO 40.0 GPM2.000.7501.125
28000-5081-11 1/2 NPTF2.0 TO 50.0 GPM2.340.9201.375
28000-5121 1/2-11 1/2 NPTF2.0 TO 80.0 GPM4.751.0002.000

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

0.563

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

0.920

1.375

28000-512View More

1 1/2-11 1/2 NPTF

2.0 TO 80.0 GPM

4.75

1.000

2.000