used in glass valve PTFE soft connection PTFE bellows

Product Name: PTFE bellows

Material: PTFE

Industrial Use: industry

Size: Can be customized

Common Size of Product Name

Other sizes can be customized.

Q1: What's borosilicate 3.3 glass?

A: It is called pyrex glass In the international. It is the only glass material can be used to making chemical equipments.

Q2: The advantages of borosilicate glass?

A: 1. Good corrosion resistance. Good resistance to alkalis and acids apart from Hydrofluoric acid and Hot phosphoric acid.

    2. Smooth surface, easy to clean. 

    3. Good transparency, the whole process can be observed.

    4. No catalytic, high purity products can be obtained.

Q3: Is customized products avaliable?

A: Of course. Pls provide the drawing, we will meet your requirements.

Q4: Package of the products?

A: All products will be packed in wooden boxes.

Nantong Qiyi Instrument Co.,Ltd (Qidong City , Hai Yong Glass Instrument Co.,Ltd) is China Chemical Anticorrosion Technology Association , is the first identified as China National Chemical Equipment Corporation common chemical equipment , glass pipes , instruments and equipment fixed production business and production base , located on the south side of the famous lushi fishing.



With strong technical force factory , using hard borosilicate glass chemical glass pipes and other equipment , has good chemical stability , anti – corrosion technology , chemical equipment in full compliance with the urgent demand , the products sell well throughout the country . The company’s production of oxygen inhaler wall consistent with the medical device market access provisions.



Plant the spirit of “quality first , users first” purpose , the product introduced three bags , ready to provide users with all amenities. Warmly welcome to visit the guidance.



In addition to a variety of factory production of conventional glass equipment, plumbing fixtures and valves, but also based on user needs , processing a variety of non – standard glass, the number of open , as long as the user needs, our factory in time shelf – life full amount with ease. Nantong Qiyi Instrument Co.,Ltd also deals into: # Glass Heat Exchangers # Scientific Glass # Glass Stirring Unit # Laboratory Flasks # Distillation Apparatus # Distillation Unit On GLR # Glass Distillation Units # Lab Glass # Laboratory Glassware # Sight Glass # Industrial Vessels # Laboratory Bottles # Cylindrical Vessel # Jacketed Vessels # Scientific Glass Valves # Borosilicate Glasswares # Glass Column Section # Glass Pipe Reducers # Glass Closures # Glass Dip Pipes .