概述：
VOCs減排已成為閥門低逸散密封的發(fā)展要求。
AZ7501閥桿密封元件是專為低逸散排放研發(fā)的高性能填料密封。
Characteristics:
VOCs emission reduction has become the development requirement of valve low escape seal.
The AZ7501 stem seal element is a high-performance packing seal developed for low dissipation emissions.
特點(diǎn)：
優(yōu)秀的壓縮補(bǔ)償性和低螺栓扭矩；超低的熱失重符合殼牌石油要求 (670 ℃ ≤4%/h )；
突出的抗溫度震蕩、抗壓力振蕩和機(jī)械振動性能，可靠的低逸散密封、長壽命運(yùn)行周期；無需考慮安裝方向。
Characteristics:
Excellent compression compensation and low bolt torque;The ultra-low heat loss complies with shell's top requirements.(670 ℃ ≤4%/h );
Outstanding anti-temperature oscillation, anti-pressure oscillation and mechanical vibration performance;
Reliable low escape seal, long life cycle;
技術(shù)參數(shù)：
耐溫范圍：-196~RT~538℃（請咨詢我司技術(shù)）, -48~400℃（長期使用溫度）
耐壓：≤420bar PH值：0~14（氧化劑除外)
Technical parameters:
-196~RT~538 (please consult our company's technology),-48~400 (long-term use temperature)
Pressure: ≤420 bar,PH: 0~14 (except oxidant)
應(yīng)用范圍：
適合各種化學(xué)、氣體、油品以及海水和蒸氣等介質(zhì)的動 、靜態(tài)填料密封，由其是閥桿高低溫工作循環(huán)的低扭矩低逸散密封要求。
Range of application:
Suitable for all kinds of chemical, gas, oil and water and vapor, and static packing seal, which is the low torque and low dissipation sealing requirement of stem high and low temperature working cycle.
過API622測試（泄漏率平均3PPMv）；能滿足ISO15848系列閥門密封實(shí)驗(yàn)的低泄漏要求；符合歐洲無組織排放要求；
API622 test (average leakage rate of 3PPMv);It can meet the requirement of low leakage of ISO15848 series valve seal experiment.
Comply with Europe's most stringent unstructured emissions requirements;
