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Thread Connected Series

Hydraulic quick couplings are connectors used for quickly and conveniently connecting or disconnecting hydraulic pipelines, widely used in various hydraulic systems such as engineering machinery, agricultural equipment, industrial production lines, etc. thread coupling is a common hydraulic quick connector that tightly locks the male and female coupling through a threaded structure. If connected correctly, it can ensure sealing and vibration resistance. Very suitable for harsh environments and heavy workloads.


We all know that hydraulic quick couplers can achieve quick and convenient connection or disconnection of hydraulic pipelines. Thread connected series refers to the connection and locking of male and coupling female thread through threaded structures. Thread coupling is a common type of hydraulic quick connector that has the following characteristics:


High pressure resistance: typically able to withstand working pressures ranging from 300 bar to 700 bar


Anti vibration loosening: The threaded locking structure is more earthquake resistant and resistant to detachment than the ordinary plug-in type


Strong sealing: Multiple sealing design to prevent oil leakage or air ingress


Suitable for harsh environments: especially suitable for high temperature, high dust, strong impact and other occasions


Self sealing valve: automatically closes when disconnected to prevent oil flow or system intake



This type of hydraulic quick couplers are suitable for high-pressure environments and industries that require greater stability.The following is a distinction between the types and materials of thread coupling:


Thread types: BSP, NPT, Metric, UNFPA

Locking form: external and internal thread tightening, often equipped with anti loosening devices or locking rings

Self sealing structure: using bidirectional valves, both ends automatically close after disconnection


Material selection:


Carbon steel galvanizing: high cost-effectiveness, suitable for most construction machinery

Stainless steel: corrosion-resistant, suitable for marine, chemical and other applications

Brass: for medium and low pressure, low flow applications


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