28900-500 SERIES

VELOCITY FUSE

INLINEMALE NPTF TO FEMALE NPTF

Description

AN IN-LINE VELOCITY FUSE WITH A MALE NPTF INLET AND A FEMALE NPTF OUTLET 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 1OUTLET 2FLOW RANGELHEX
28900-5021/4-18 NPTF1/4-18 NPTF PORT0.1 TO 4.0 GPM2.700.75
28900-5033/8-18 NPTF3/8-18 NPTF PORT0.5 TO 10.0 GPM2.700.88
28900-5041/2-14 NPTF1/2-14 NPTF PORT1.0 TO 25.0 GPM3.001.13
28900-5063/4-14 NPTF3/4-14 NPTF PORT2.0 TO 40.0 GPM3.201.38
28900-5081-11 1/2 NPTF1-11 1/2 NPTF PORT2.0 TO 50.0 GPM3.801.63

Model

INLET 1

OUTLET 2

FLOW RANGE

L

HEX

Model

INLET 1

OUTLET 2

FLOW RANGE

L

HEX

Model

INLET 1

OUTLET 2

FLOW RANGE

L

HEX

Model

INLET 1

OUTLET 2

FLOW RANGE

L

HEX

Model

INLET 1

OUTLET 2

FLOW RANGE

L

HEX

28900-502View More

1/4-18 NPTF

1/4-18 NPTF PORT

0.1 TO 4.0 GPM

2.70

0.75

28900-503View More

3/8-18 NPTF

3/8-18 NPTF PORT

0.5 TO 10.0 GPM

2.70

0.88

28900-504View More

1/2-14 NPTF

1/2-14 NPTF PORT

1.0 TO 25.0 GPM

3.00

1.13

28900-506View More

3/4-14 NPTF

3/4-14 NPTF PORT

2.0 TO 40.0 GPM

3.20

1.38

28900-508View More

1-11 1/2 NPTF

1-11 1/2 NPTF PORT

2.0 TO 50.0 GPM

3.80

1.63