U.S. Patent Number 6308734 The missing link between high pressure coolant and machining.
Features : No moving seal components. Non-contacting seal. No seal wear. ABEC class 9 Silicon Nitride Ceramic Hybrid Angular Contact Bearings. Reduced need for coolant filtration. Runs dry under pressure allowing air blasts to remove chips. No seal PV curve. The Gold Series Runs simultaneously at max. rpm and pressure. Available with straight through, 90 deg. or dual input end cap fully interchangeable with most commonly used coolant unions.
Talco, Inc. takes pride in the machining and assembly of High Capacity Gun Drilling Unions, to handle high-pressure coolant and provide dynamic sealing for demanding applications.
Gun drilling coolant unions are a special type of rotary union (also known as "rotary joint") designed to deliver heat transfer or cooling fluid directly to the center of the tool, where it is needed to prevent overheating and breakage of the gun drill.
Talco’s gun drilling unions feature a passage size of over one-half inch, which provides a high fluid handling capacity to the rotary joint (sometimes also called a "swivel joint"). Our gun drilling unions also feature balanced sintered silicon carbide face seals. These high quality and durable ...
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