8500G

VELOCITY FUSE

INLINE THREADED INSERTABLE

Description

A IN-LINE, THREADED INSERTABLE VELOCITY FUSE THAT PROVIDES FULLLINE SHUT-OFF IN THE EVENT OF A LINE FAILURE.

Product Rendering

Schematic

Typical Performance

Operation

  • 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 BLOCKED.
  • FLOW FROM (2) TO (1) PASSES THROUGH THE CONTROLLING ORIFICE BUT IS UNCONTROLLED.

Features

  • STEEL COMPONENTS.
  • RAPID RESPONSE.
  • POSITIVE CLOSE

Specifications

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

Ordering Information

MODELTHREADFLOW RANGEABCELHEX
8502GG 1/4 - 190.1 - 6.0 GPM1.400.85.4640.430.725 MM
8503GG 3/8 - 190.5 - 12.0 GPM1.801.00.6000.491.006 MM

MODEL

THREAD

FLOW RANGE

A

B

C

E

L

HEX

MODEL

THREAD

FLOW RANGE

A

B

C

E

L

HEX

8502GView More

G 1/4 - 19

0.1 - 6.0 GPM

1.40

0.85

.464

0.43

0.72

5 MM

8503GView More

G 3/8 - 19

0.5 - 12.0 GPM

1.80

1.00

.600

0.49

1.00

6 MM