CN1812 ball valve
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  • CN1812 ball valve

I. Core Structural Features

  1. Connection Type : Both ends of the valve body use internal threaded connection , the thread conforms to the standard of GB/T 7306 55° sealing pipe thread, with strong adaptability and convenient installation, easy to integrate into various pipeline systems;
  2. Sealing Structure : The valve core and valve seat use soft sealing design , the sealing performance meets the requirements of GB/T 12237 Industrial Valves Metal Sealed Ball Valves, ensuring low leakage;
  3. Operating Mechanism : Equipped with long handle , the handle and stem use a non-detachable connection design, 90° rotation can complete opening and closing, the operating torque is small and the opening and closing status is intuitive (the handle is parallel/perpendicular to the flow direction corresponds to opening and closing);
  4. Valve Body Material : The main body uses brass material, the corrosion resistance performance conforms to GB/T 12225 General Valves Copper Alloy Castings Technical Conditions, suitable for water, oil and other non-corrosive fluid environments.

 

II. Main Technical Parameters (National Standard)

Parameter Name Value/Range Unit National Standard Basis
Nominal Pressure PN16 MPa GB/T 12224 Steel Valves General Requirements
Applicable Medium Water, oil, non-corrosive gas (combustible gas must comply with local regulations) - - (General fluid adaptability)
Medium Temperature ≤120℃ GB/T 12225 General Valves Copper Alloy Castings Technical Conditions
Thread Standard G (55° sealing pipe thread) - GB/T 7306 55° sealing pipe thread
Sealing Test Pressure 1.1×PN MPa GB/T 13927 Industrial Valves Pressure Test
Shell Test Pressure 1.5×PN MPa GB/T 13927
Applicable Nominal Diameter DN15~DN50 mm -

 

III. Main Part Materials (National Standard)

Part Name Material Implementation Standard
Valve Body Brass H59 GB/T 5231 Processed Copper and Copper Alloy Chemical Composition and Product Shapes
Valve Core Brass H62 GB/T 5231
Sealing Element Nitrile Rubber NBR GB/T 5574 Industrial Vulcanized Rubber Sheet
Operating Handle Reinforced Nylon (PA6+GF) GB/T 1040 Plastics Determination of Tensile Properties
Valve Stem Brass H62 GB/T 5231

 

IV. Dimensions and Specifications (National Standard)

Specifications and Models Nominal Diameter DN (mm) Thread Specification (G) Structural Length L (mm) National Standard Basis
CN1812-15 15 G1/2" 80 GB/T 12221 Metal Valves Structural Length
CN1812-20 20 G3/4" 90 GB/T 12221
CN1812-25 25 G1" 100 GB/T 12221
CN1812-32 32 G1 1/4" 115 GB/T 12221
CN1812-40 40 G1 1/2" 130 GB/T 12221
CN1812-50 50 G2" 150 GB/T 12221

 

V. Typical Application Scenarios

  1. Building Water Supply and Drainage Engineering : Opening and closing control of water supply main/branch pipes in residential and commercial buildings, suitable for installation before/after water meters;
  2. HVAC HVAC System : Branch opening and closing of radiators and floor heating pipelines, facilitating system maintenance and flow regulation;
  3. Small Industrial Fluid Transportation : Switch control of machine tool cooling system and lubricating oil pipelines (suitable for low-pressure fluid conditions);
  4. Gas Pipeline (Limited to Non-corrosive Gas) : Natural gas, liquefied gas household branch pipes (must comply with local gas safety regulations);
  5. Agricultural Irrigation System Zonal opening and closing of small irrigation pipelines, adaptable to agricultural pump valve interfaces.

Keyword

CN1812 ball valve
+
  • CN1812 ball valve

CN1812 ball valve

CN1812 ball valve uses a brass body (compliant with GB/T 5231), with internal threads at both ends (adaptable to GB/T 7306). Its long handle operating mechanism allows for convenient opening and closing, and its soft seal structure (compliant with GB/T 12237) ensures low leakage. Suitable for water, oil, and non-corrosive gases, it is used in building water supply and drainage, HVAC, and small-scale industrial applications. It combines ease of installation with reliable sealing, providing a highly efficient opening and closing solution for small and medium-sized pipelines.

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