SLK-Connect Resource Centre
Jars & Jarring Flopetrol Upstroke Jar
The Upstroke Jar Provides High Impact Jarring Forces Using a Ball and Fixed Rated Coil Spring Mechanism
Flopetrol developed one of the first ‘spring’ jars which was known as the Upstroke Jar. It differs in one main respect from other spring jars in that it uses a coil spring to create the impact force. The jar impact force as a consequence cannot be adjusted in the same way that all other spring jars can be……
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