VELOCITY FUSE
89
Safety Valves
8500 SERIES
VELOCITY FUSE
INLINE •
THREADED INSERTABLE
Description
A IN-LINE, THREADED INSERTABLE VELOCITY FUSE 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
- POSITIVE CLOSE.
- RAPID RESPONSE.
- STEEL COMPONENTS.
Specifications
CLOSING FLOW TOLERANCE |
+15% / -0% |
OPERATING PRESSURE |
5000 PSI |
REOPENING DIFFERENTIAL |
50 PSI |
TEMPERATURE RANGE |
250° F TO -40° F |
Ordering Information
8504 | 7/16 - 20 | 0.2 TO 4.0 GPM | 0.66 | 1.30 | 0.80 | 0.390 - 0.395 | 0.360 | 0.125 | 25 in-lbs |
8506 | 9/16 - 18 | 0.2 TO 8.0 GPM | 0.72 | 1.41 | 0.87 | 0.502 - 0.515 | 0.391 | 0.187 | 5 ft-lbs | 8508 | 3/4 - 16 | 0.5 TO 15.0 GPM | 1.15 | 1.95 | 1.15 | 0.682 - 0.696 | 0.438 | 0.312 | 8 ft-lbs | 8510 | 7/8 - 14 | 1.0 TO 25.0 GPM | 1.25 | 2.15 | 1.05 | 0.798 - 0.814 | 0.500 | 0.375 | 12 ft-lbs | 8512 | 1 1/16 - 12 | 2.0 TO 40.0 GPM | 1.50 | 2.50 | 1.30 | 0.972 - 0.990 | 0.594 | 0.438 | 18 ft-lbs | 8516 | 1 5/16 - 12 | 5.0 TO 50.0 GPM | 1.50 | 2.67 | 1.30 | 1.222 - 1.240 | 0.594 | 0.500 | 30 ft-lbs | 8520 | 1 5/8-12 | 5.0 TO 65.0 GPM | 1.85 | 3.05 | 1.30 | 1.535 - 1.553 | 0.594 | 0.625 | 40 ft-lbs | 8524 | 1 7/8-12 | 5.0 TO 80.0 GPM | 2.13 | 3.38 | 1.37 | 1.785 - 1.803 | 0.594 | 0.687 | 50 ft-lbs |
8504View More
7/16 - 20
0.2 TO 4.0 GPM
0.66
1.30
0.80
0.390 - 0.395
0.360
0.125
25 in-lbs
8506View More
9/16 - 18
0.2 TO 8.0 GPM
0.72
1.41
0.87
0.502 - 0.515
0.391
0.187
5 ft-lbs
8508View More
3/4 - 16
0.5 TO 15.0 GPM
1.15
1.95
1.15
0.682 - 0.696
0.438
0.312
8 ft-lbs
8510View More
7/8 - 14
1.0 TO 25.0 GPM
1.25
2.15
1.05
0.798 - 0.814
0.500
0.375
12 ft-lbs
8512View More
1 1/16 - 12
2.0 TO 40.0 GPM
1.50
2.50
1.30
0.972 - 0.990
0.594
0.438
18 ft-lbs
8516View More
1 5/16 - 12
5.0 TO 50.0 GPM
1.50
2.67
1.30
1.222 - 1.240
0.594
0.500
30 ft-lbs
8520View More
1 5/8-12
5.0 TO 65.0 GPM
1.85
3.05
1.30
1.535 - 1.553
0.594
0.625
40 ft-lbs
8524View More
1 7/8-12
5.0 TO 80.0 GPM
2.13
3.38
1.37
1.785 - 1.803
0.594
0.687
50 ft-lbs
Page last updated: 3/4/21, 9:43 PM
This document, as well as all catalogs, price lists and information provided by Vonberg Valve, Inc., is intended to provide product information for further consideration by users having substantial technical expertise due to the variety of operating conditions and applications for these valves, the user, through its own analysis, testing and evaluation, is solely responsible for making the final selection of the products and ensuring that all safety, warning and performance requirements of the application or use are met.
The valves described herein, including without limitation, all component features, specifications, designs, pricing and availability, are subject to change at any time at the sole discretion of vonberg valve, inc. without prior notification.