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Parker FLUID CONNECTORS GROUP
Instrument Tube Fittings
Ball, Plug, & Check Valves
Manifolds
Changeover Systems
Flow Control Products (Partek)
Porter Div Flowmeters
Tubing
Parflex Braided Metal Hose
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Parker Teflon Fittings & Valves
Parker Filter , Instrument Air Filters
Application Industry
Hans Hydraulic & Pneumatic Systems, Delhi
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If you view the world as we do, through the lens of our broad range of motion and control technologies, you can see a vast number of engineering challenges that are yet to be solved and can make a meaningful difference in our lives.
These very challenges drive Parker people forward, seeking new ways to innovate, combine technologies, collaborate, develop systems and partner with our customers to solve problems. We call it Winovation and by following its path, we not only create limitless growth potential for Parker, we also make significant contributions to our world at large, for our generation and for the generations to come.
- EO-3 Fitting System Provides Visual Assembly Status Recognition for Tube and Hose Applications.
As a connector component, any fitting is only as good as the effectiveness of the assembly process and therefore depends on how it has been assembled. In recent years, new geometries and material compositions have increasingly improved performance, reliability and ease of assembly. In this field Parker has constantly set new standards in the marketplace.
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We offer a wide spectrum of pneumatic and hydraulic products to our clients with a time bound delivery assurance and at affordable prices. These products are manufactured with advance production techniques and quality approved materials at our associates end to ensure world-class quality standards. Our products are highly demanded and admired in the market for its superior quality and dynamic features.
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Hydraulic, pneumatic or lubrication systems should be efficient and leak free. Sometimes, they are not, because of improper tube line routing—the result of either lack of knowledge, or corners cut on planning time, or both. What can go wrong if routing is not done properly? All kinds of things! From not being able to access fittings for efficient maintenance all the way to leaking connections, inefficient or poor tube routing can create unintended issues that need to be addressed. An ounce of planning is worth a pound of troubleshooting.
Leaking like a sieveCase-in-point: A connection in a million-dollar test stand used to test transmission systems was “leaking like a sieve” according to a puzzled plant engineer. This involved two ports directly across from each other—a very short distance between them—connected by a straight routing using a large (2-inch) OD line. Everything was tightened properly, but the connections kept leaking. It turns out, vibration along the line caused the joints to loosen over time. So while the existing straight line seemed like the most logical design because it was the most direct path, actually the appropriate design necessitated adding a U-bend in the tubing and incorporating elbow fittings—providing “give” to the line. With this fix, the system no longer leaked.
Yes, planning tube line routing is a time investment, but it can have a big ROI—especially for complex systems. During system design, routing should be developed as the next step after sizing the tube lines and selecting the appropriate fittings.
Match tube routing design to the applicationUsually, when planning tube line routing, you should follow the rule that fewer joints = fewer leaks. (Makes sense, right? Minimize possible points of failure.) By following this rule, your routing design will often be less likely to leak, will take less time to assemble and maintain and will result in reduced pressure drop/turbulence. But, as the story above illustrates, simpler is not always better; the key is appropriate design for the specific application.
Here are guidelines for planning appropriate tube line routing:
- Leave fitting joints as accessible as possible. Inaccessible joints are difficult and time-consuming to assemble, tighten and service.
- Use software tools to make labor-intensive calculations such as pressure drop.
- Employ U-bends to allow for line contraction and expansion.
- Include offset bends to allow for motion under load, regardless of how ‘rigid’ the system seems.
- Favor bends rather than straight tube lines, because a straight line tube assembly with no bends, like the example of the test stand mentioned above, can cause joint stain which may lead to leaking.
- Make sure routing design allows room for assembly of any connections required.
- Minimize pressure drop by getting around obstructions with as few 90° bends as possible. One 90° bend has more pressure loss than two 45° bends.
- Route lines around rather than over areas that require regular access or maintenance.
- Design routing with clamping in mind. Appropriate design leads logically to proper clamping. Often, it’s possible to clamp several lines together.
- Keep troubleshooting and maintenance in mind: focus on logical design and avoid crossed lines.
- Design the tube line routing to reduce likelihood of users standing or climbing on plumbing.
So, although generally speaking you want to minimize joints, the the best (most efficient, least likely to leak) path for connecting tubing from one point to another isn’t always the most direct.