概述：

VOCs减排已成为阀门低逸散密封的发展要求。

AZ7501阀杆密封元件是专为低逸散排放研发的高性能填料密封。

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.

特点：

优秀的压缩补偿性和低螺栓扭矩；超低的热失重符合壳牌石油顶级要求 (670 ℃   ≤4%/h )；

突出的抗温度震荡、抗压力振荡和机械振动性能，可靠的低逸散密封、长寿命运行周期；无需考虑安装方向。

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;

技术参数：

耐温范围：-196~RT~538℃（请咨询我司技术）, -48~400℃（长期使用温度）

耐压：≤420bar PH值：0~14（氧化剂除外)

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)

应用范围：

适合各种化学、气体、油品以及海水和蒸气等介质的动 、静态填料密封，由其是阀杆高低温工作循环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.

过API622测试（泄漏率平均3PPMv）；能满足ISO15848系列阀门密封实验的低泄漏要求；符合欧洲最严格无组织排放要求；

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;