Description: According to customer requirements for a variety of brand excavators companies design, produce quick couplings, quick couplings can be quickly installed in various configurations member (bucket, hammer, shears, etc.) on the excavator, to expand excavator range, and can save time and improve efficiency. Touch fitting feature: 1, the use of high-strength materials; 4-45 tonnage applicable to various models. 2. Use safety equipment check valve to ensure safety; 3, excavator-arrangements without modification, and can be replaced without removing the pin, so quick to install, can greatly improve efficiency. Model Gross Weight (Kg) Working pressure (bar) hydraulic oil flow range (L / min) Handling of the total weight (Ton) EX60 75 30-210 10-20 4-7 EX120 150 30-210 10-20 8-13 EX200 280 30-210 10-20 20-20 EX300 400 30-210 10-20 28-32 EX400 500 30-210 10-20 35-45