1. When the two pipe joints are in the same direction, the nearest distance of the center is not less than 38MM;
2. When the pipe joint is in the same direction as the throat plug, the nearest distance of the center is not less than 25 mm;
3. When the two throat plugs are in the same direction, the nearest distance of the center is not less than 20MM;
4. When the large mold material area is large, the water transport distance in the same direction, the center distance is generally 60MM;
7. The gap between the sides of the rubber sheet rubber ring is not less than 2MM; the throat plug and the throat plug are not less than 5MM;
8. Generally, no more than 8 spacers are connected in series for each water transport circuit. (American fishermen require no more than 6 spacers in series;)
Nine, when designing the cooling water, the nearest distance between the water transport and the insert material level shall be 5MM; the water transport and the insert side shall not be less than 3.5MM.