28050-500 SERIES

FLOW LIMITER

INLINEMALE NPTF CONNECTIONS

Description

AN IN-LINE FLOW LIMITER WITH MALE NPTF CONNECTIONS THAT PREVENTS FREE FALL IN THE EVENT OF A LINE FAILURE, BUT ALLOWS A METERED FLOW AFTER CLOSING.

Product Rendering

Schematic

Typical Performance

Operation

  • BLEED RATE AFTER CLOSING IS 2.0 - 3.0 GPM AT 3500 PSI.
  • FLOW FROM (2) TO (1) PASSES THROUGH THE CONTROLLING ORIFICE BUT IS UNCONTROLLED.
  • A FLOW BELOW THE SPECIFIED LIMIT IS ALLOWED FROM (1) TO (2).
  • FLOW ABOVE THE SPECIFIED LIMIT IS ASSUMED TO BE A LINE FAILURE AND IS LIMITED.

Features

  • NON-STANDARD BLEED FLOW RATES ARE AVAILABLE UPON REQUEST.
  • FAIL SAFE DESIGN.
  • STEEL COMPONENTS.
  • RAPID RESPONSE.

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
28050-5021/4-18 NPTF0.1 TO 4.0 GPM1.750.560.63
28050-5033/8-18 NPTF0.5 TO 10.0 GPM1.750.600.75
28050-5041/2-14 NPTF0.5 TO 25.0 GPM2.060.750.88
28050-5063/4-14 NPTF2.0 TO 40.0 GPM2.000.751.13
28050-5081-11 1/2 NPTF2.0 TO 50.0 GPM2.340.921.38
28050-5121 1/2-11 1/2 NPTF2.0 TO 80.0 GPM4.751.002.00

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

28050-502View More

1/4-18 NPTF

0.1 TO 4.0 GPM

1.75

0.56

0.63

28050-503View More

3/8-18 NPTF

0.5 TO 10.0 GPM

1.75

0.60

0.75

28050-504View More

1/2-14 NPTF

0.5 TO 25.0 GPM

2.06

0.75

0.88

28050-506View More

3/4-14 NPTF

2.0 TO 40.0 GPM

2.00

0.75

1.13

28050-508View More

1-11 1/2 NPTF

2.0 TO 50.0 GPM

2.34

0.92

1.38

28050-512View More

1 1/2-11 1/2 NPTF

2.0 TO 80.0 GPM

4.75

1.00

2.00