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Kaixin Pipeline Technologies Co., Ltd.
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News

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  • Written By: Newsroom    2026-05-25
    What are the main performance differences between PVC Plastic Pipe Fittings and CPVC Plastic Pipe Fittings in hot water systems?

    CPVC Plastic Pipe Fittings are generally the better choice for hot water systems because they can withstand significantly higher temperatures and offer greater long-term durability under thermal stress. Standard PVC Plastic Pipe Fittings are widely ...

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  • Written By: Newsroom    2026-05-19
    How do UPVC pipe fittings perform in seismic zones compared to flexible HDPE pipe fittings in terms of joint integrity?

    UPVC pipe fittings are more vulnerable to joint failure than flexible HDPE pipe fittings. While UPVC offers excellent pressure performance and chemical resistance under stable ground conditions, its rigid structure makes it susceptible to cracking a...

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  • Written By: Newsroom    2026-05-12
    How do UPVC fittings perform against CPVC fittings in underground drainage and sewage systems?

    For underground drainage and sewage systems, UPVC fittings are generally the better choice over CPVC fittings. UPVC offers superior rigidity, lower cost, broader availability, and adequate chemical resistance for typical sewage environments. CPVC's ...

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  • Written By: Newsroom    2026-05-06
    How do UPVC fittings compare to CPVC fittings in terms of heat resistance?

    When comparing UPVC and CPVC fittings for heat resistance, the answer is straightforward: CPVC fittings significantly outperform UPVC fittings in high-temperature environments. UPVC (Unplasticized Polyvinyl Chloride) is rated for a maximum service t...

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  • Written By: Newsroom    2026-04-29
    What are the key differences between threaded pipe fittings and compression pipe fittings in terms of installation ease and leak resistance?

    When choosing between threaded pipe fittings and compression pipe fittings, the direct answer is this: compression fittings are easier and faster to install and require no special tools, while threaded fittings offer superior leak resistance and lon...

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  • Written By: Newsroom    2026-04-22
    How does the thermal expansion coefficient of a PVC Valve affect pipeline integrity during temperature fluctuations compared to a metal valve or a CPVC valve in the same installation?

    The thermal expansion coefficient of a PVC valve is significantly higher than that of metal valves and moderately higher than CPVC valves, which directly impacts pipeline integrity during temperature fluctuations. Specifically, PVC has a linear ther...

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  • Written By: Newsroom    2026-04-13
    How does the creep behavior of PPH pipe fittings affect long-term pressure containment in systems operating at elevated temperatures over extended periods?

    Creep behavior in PPH pipe fittings directly reduces long-term pressure containment capacity when systems operate at elevated temperatures. Under sustained mechanical stress and heat, PPH material undergoes slow, time-dependent deformation — even wh...

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  • Written By: Newsroom    2026-04-09
    Can UPVC Pipe Fittings handle water hammer and surge pressure events in high-flow systems?

    UPVC pipe fittings can handle moderate water hammer and surge pressure events, but they have defined limits. When properly specified, installed, and supported with surge mitigation accessories, UPVC pipe fittings perform reliably in many high-flow s...

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  • Written By: Newsroom    2026-04-08
    How does the internal disc and seat design of a Globe Valve contribute to its superior throttling and flow regulation capabilities?

    The internal disc and seat design of a Globe Valve is the primary reason it outperforms gate valves and ball valves in throttling and flow regulation tasks. Unlike a gate valve — which is designed for fully open or fully closed positions — the Globe...

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  • Written By: Newsroom    2026-04-07
    What jointing methods are recommended for UPVC Pipe Fittings — solvent cement welding, rubber ring push-fit, or threaded connections?

    All three jointing methods — solvent cement welding, rubber ring push-fit, and threaded connections — are valid for UPVC pipe fittings, but no single method is universally best. The right choice depends on the application, operating pressure, pipe d...

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  • Written By: Newsroom    2026-04-01
    How do thermal expansion and contraction affect the long-term performance of pipe fittings?

    Thermal expansion and contraction directly cause mechanical stress, joint fatigue, leakage, and premature failure in pipe fittings over time. When a piping system repeatedly heats up and cools down, every fitting in the system absorbs dimensional ch...

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  • Written By: Newsroom    2026-03-23
    In what applications is a Diaphragm Valve preferred over ball valves or gate valves?

    Diaphragm valves are preferred over ball valves and gate valves in applications requiring high purity, excellent sealing, corrosion resistance, and the ability to handle abrasive or viscous fluids without contamination. They are especially suitable ...

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Categories
  • Plastic Pipe/Pipe Fittings Series
  • Plastic Chemical Piping Series
  • Plastic Valve Series
  • Corrosion-Resistant Pump Series
Recent Posts
  • 2026-05-25 What are the main performance differences between PVC Plastic Pipe Fittings and CPVC Plastic Pipe Fittings in hot water systems?
  • 2026-05-19 How do UPVC pipe fittings perform in seismic zones compared to flexible HDPE pipe fittings in terms of joint integrity?
  • 2026-05-12 How do UPVC fittings perform against CPVC fittings in underground drainage and sewage systems?

Kaixin, a high-tech enterprise specialized in the R&D, production and sales of polymer pipeline valves.

Kaixin Pipeline Technologies Co., Ltd.
WHY CHOOSE US
  • Company Profile
  • Chairman's Speech
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  • Intelligent Manufacturing
  • R&D Capabilities
  • Certificates
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product
  • Plastic Pipe/Pipe Fittings Series
  • Plastic Chemical Piping Series
  • Plastic Valve Series
  • Corrosion-Resistant Pump Series
SERVICES
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  • Headquarters: No. 539 Bohai Road, Beilun District, Ningbo City, Zhejiang Province, P.R. China

    Production & R&D Base: No. 239 Binhu Road, Binhai New Area, Fenghua Economic Development Zone, Ningbo City, Zhejiang Province, P.R. China
  • [email protected]
  • +86-18067123177

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