VELOCITY FUSE
SAFETY VALVES
CARTRIDGE
8100 SERIES
STANDARD CAVITY
PRODUCT
SCHEMATIC
TYPICAL PERFORMANCE
DESCRIPTION
A CARTRIDGE STYLE VELOCITY FUSE THAT PROVIDES FULL-LINE SHUT-
OFF IN THE EVENT OF A LINE FAILURE.
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
• STEEL COMPONENTS.
• INDUSTRY COMMON CAVITY.
• 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
MODEL THREAD FLOW RANGE CAVITY L1 L2 HEX A TORQUE
8104 7/16 - 20 0.2 TO 2.0 GPM VC04-2 0.94 0.55 0.56 0.277 / 0.278 10 FT-LBS
8106 9/16 - 18 0.5 TO 3.0 GPM FC06-2 0.84 0.53 0.69 0.467 / 0.468 15 FT-LBS
8108 3/4 - 16 0.2 TO 5.0 GPM VC08-2 1.10 0.50 0.88 0.495 / 0.497 20 FT-LBS
8110 7/8 - 14 0.5 TO 8.0 GPM VC10-2 1.25 0.75 1.00 0.621 / 0.623 25 FT-LBS
8112 1 1/16 - 12 1.0 TO 15.0 GPM VC12-2 1.81 0.75 1.25 0.870 / 0.873 40 FT-LBS
8116 1 5/16 - 12 2.0 TO 25.0 GPM VC16-2 1.75 0.75 1.50 1.121 / 1.123 60 FT-LBS
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.
Page last updated: 11/19/18, 3:13 PM
1380 Norwood Avenue • Itasca, IL 60143 USA © 2015
phone: 847-259-3800 • fax: 847-259-3997 • email: info@vonberg.com
