The valve on the pouring head of the polyurethane foaming machine includes a valve body and a valve core. The valve body is a valve body hole. A sinker groove and a valve body feed hole are provided on the valve body hole. The valve body outlet hole and the valve body return hole are in communication with the valve body hole, the valve core is provided with a shoulder matching the valve body hole, and the valve body outlet hole is in communication with the pouring head feed hole. One end of the valve core protrudes from the outside of the valve body, a spring is provided at the extended end, and is connected with the lever, and the other end of the lever is connected with the piston rod of the cylinder. With good sealing performance, the valve moves quickly and is in place, the structure is simple, and the cleaning and maintenance are convenient.

1. The pouring amount of the pouring machine can be adjusted from 0 to the maximum pouring amount, and the adjustment accuracy is 1%.

2. The polyurethane foaming machine has a temperature control system that can automatically stop heating when the specified temperature is reached, and its control accuracy can reach 1%.

3. Polyurethane foaming machine has solvent cleaning and water and air purging system.

4. The polyurethane foaming machine has an automatic feeding device, which can be added at any time. Both A and B buckets can hold 120 kg of liquid. The barrel is provided with a water jacket, which uses water temperature to heat or cool the liquid, and each barrel has a water observation tube and a material observation tube.

5. Polyurethane foaming machine adopts cut-out door to adjust the ratio of liquid A and liquid B. The accuracy of the ratio can reach 1% 6. The customer has an air compressor and the pressure is adjusted to 0.8-0.9M.

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