1、雙向密封性能優(yōu)良，扭矩值小。 2、流量特性趨于直線，調(diào)節(jié)性能好。 3、法蘭連接安裝便捷，立式、臥式安裝均可。 4、密封副材料的多樣性，可供用戶選擇。 5、閥門可用于管端作放空閥用，性能可靠。 6、閥座密封圈與閥體有機(jī)地結(jié)合為一體，使閥門具有較長的使用壽命。 1. Both sides of sealing performance are choiceness and the torque is small.2. Flow curve tending to straight line. Excellent regulated performance.3. Flange connection installed easily. Both vertical and horizontal installation are all right.4. Have multiplicity-sealing materials for user choose.5. The valves can used for pipe nozzle and have reliable performance. Seat sealing and body are combined very well, and let that have a quit long use lifetime.