Grooved silencing check valve

Brief introduction of grooved silencing check valve

This kind of grooved silencing check valve is widely used water supply and drainage system, fire protection system in municipal works, civil construction, industrial engineering and other industrial projects.


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Product name: Grooved silencing check valve

Model No.: HC81X-16Q

Brief introduction of grooved silencing check valve:

The grooved silencing check valve adopts grooved connection, which is easy to install, fast and convenient to

maintain, and cost-saving;it can be installed horizontally or vertically.

Characteristics of grooved silencing check valve:

  1. compact in structure, small in size, light in weight, flexible to operate, easy to repair.
  2. Fast to close, efficient to eliminate the water hammer.
  3. Good sealing performance, no noise when closing.
  4. Small flow resistance, long working life.

Technical specification:

Model No. PN(MPa) Test pressure(MPa) Medium Working temperature
Strength(water) Seal(water)
HC81X-10Q 1.0 1.5 1.1 Water, oils 80℃
HC81X-16Q 1.6 2.4 1.8

Material for main parts:

Part name Material
Valve body and deck Ductile cast iron
Valve disc ductile cast iron copper coated
Shaft sleeve PTFE








Working temperature