久久在精品线影院精品国产_国产精品一区二区久久不卡_国产内射999视频一区_国产99久久九九精品无码_人妻熟妇乱又伦精品视频无广告_久久在精品线影院精品国产_国产精品一区二区久久不卡_人妻熟妇乱又伦精品视频无广告_7878成人国产在线观看_久热国产VS视频在线观看

簡體中文版 English

Product List

Product application:
JY41W, JY41Y oxygen special cut-off valve is made of excellent silicon brass or stainless steel casting, with the advantages of high mechanical strength, abrasion resistance and safety. It has the best explosion-proof and flame-retardant performance and eliminates the unsafe factors on the oxygen pipe.
Product features:
1. Fire prevention and fire resistance: the main components are made of copper alloy, which is a non-combustible material. Even if it collides with solid particles in the high-speed airflow, no spark will be generated. Therefore, this valve has the best anti - fire performance.
2. Safe and reliable: this valve is equipped with dustproof, waterproof and oil-proof devices. All valves in contact with oxygen have passed strict degreasing and oil-forbidden measures before assembly.
Scope of use: the product can be used in petroleum, chemical and other industries.
Products conform to the standard: GB/T 12235 
Mandatory
Mandatory
Mandatory
Mandatory

Be sure to write clearly consulted or purchase products detailed parameters and quantity.