China Lined Valve Manufacturers & Suppliers

PTFE Lined Tube-Type Sight Glass

Place of Origin:
Suitable Packing for Sea/Air Transport
Lined Tube-Type Sight Glass

FVF Lined Tube-Type Sight Glass

  • FVF lined sight glass provides reliable and safe visual indication of fluid flow on any corrosive service. Safe and shatter-proof,each window consists of two glasses,cemented together by a proprietary adhesive.
  • Fluid flow can be viewed from either top or bottom.No product retention when it is installed vertically.
  • It is widely used in corrosive services in chemical and petrochemical plants, pharmaceutical plants and food and beverage processing. 

Product Parameter

Materials of Main Parts

No. Part Name Material List
1 Flange Material WCB,A395,CF8,CF8M
2 Glass Stalinite,Borosilicate Glass
3 Liner Material PFA, PTFE, ETFE, GXPO, PP/PE

Technical Specification

Design & Manufacture Standard HG/T 21622
Flange Standard HG/T 20592,  ASME B16.5,  DIN,  JIS
Inspection and Test Standard GB/T 13927
Liner Inspection (Spark Test) 10~20KV
Nominal Pressure PN10  PN16   Class 150
Temperature Range PFA:-29℃~200℃,  PTFE:-29℃~180℃,  EFFE:-20℃~150℃,  GXPO:-20℃~80℃,  PP/PE::-20℃~80℃