100% Employee Owned, Founded 1954

BoomLoc Valves – Explained

Robin Daughtry | December 6th, 2013

Designed & Tested to ISO8643

Our Supplier Partner Eaton Describes in Depth how BoomLoc Valves can be Applied to Numerous Different Machines

Eaton Article: The requirement for hose rupture protection on mobile plant is enshrined in law in many territories and likely to become so in many others. ISO8643 requires that, in the event of a hose failure while lowering a boom it should not accelerate to more than twice its original speed with the control lever held in the same position. Additionally the valves introduced to achieve this should not unduly effect the operation of the machine to which they are fitted. (The current 100% maximum increase may be reduced to 75% in the future). If a hose were to fail while a boom is lifting or static the load should be held in position.  Eaton has developed a range of hose rupture valves, designated “BoomLoc”, that are designed to meet the stipulations of ISO8643 and can be applied to numerous different machines.

Latest Cross Company Updates

Brooks Instrument Case study: Using BEST Software to Prevent Process Failures
April 15, 2025
Rotomation’s indexing actuators are designed to provide precise and repeatable rotary motion, essential for various automation tasks. This article from Rotomation explains how they work.
April 9, 2025
emergency relief vent from cross
Cross Company’s Process Solutions Group is proud to be the only certified assembler of GROTH pressure and vacuum relief vents in the United States.
April 8, 2025
WIKA 2025 Featured Products – Pressure, Temperature, Level, and Force. Learn more.
April 7, 2025

Contact our Team

Hang Tight! We're Searching... Searching... Searching...

We’re looking through thousands of pages to find the most relevant information.

In the meantime, enjoy these fun facts…

Did you know… Cross Company is an ESOP (Employee Stock Ownership Plan). Our ESOP started in 1979 and as of 2006, we are 100% employee-owned! Learn more about our ESOP and how that benefits both team members and our customers.
Did you know... the precision measurement group at Cross was founded in 1939 by our current CEO's grandfather, Jim King. That's a whole lot of calibration!
Did you know... A fingerprint weighs about 50 micrograms. We know, we weighed it! The residue left from a finger can actually make a difference in weight results which is why we wear gloves when we calibrate weights. For reference, a sheet of paper is about 4.5 grams, that’s 4.5 million micrograms.
Did you know… Cross Company has grown significantly since our start in 1954. Over the years we've acquired 26 companies! Today, our five groups have expertise in everything from industrial automation to precision measurement, and industry knowledge going all the way back to 1939.