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Description

Nominal Diameter (mm/in. ): DN15-DN600 (NPS1/2-NPS24)
Operating temperature: -20-180 degree
Operating pressure: -0.09MPa-1.6MPa (-0.9bar-16bar)
Pipe: Seamless steel
Flange: ASME B16.5 Class 150/300
Special pieces of specific or non standard size can be manufactured on request.

Operating instruction of PTFE lined pipe (according to HG/T21562)
1. Positive pressure: It shall adopt steel components according to different technical requirements, and the thickness of PTFE wall shall be over 2mm. If the temperature is less than 100 degree, the production length shall be less than 6m; And if the temperature exceeds 100 degree, the length shall be less than 3m.
2. Negative pressure: Design according to different ambient conditions of the users.

Specification General PTFE thickness and negative pressure-resistance
The thickness of PTFE wall required to resist-0.1MPA pressure when the temperature is less than 120degree,
DN25 2mm -0.08Mpa 3mm(L<=3000mm)
DN32 2mm -0.075Mpa 3mm(L<=3000mm)
DN40 2.5mm -0.075Mpa 4mm(L<=3000mm)
DN50 2.5mm -0.06Mpa 5mm(L<=3000mm)
DN65 2.5mm -0.05Mpa 8mm(L<=1000mm)
DN80 3mm -0.05Mpa 10mm(L<=1000mm)
DN100 3mm -0.04Mpa 13mm(L<=1000mm)
DN125 4mm -0.03Mpa 13mm(L<=1000mm)
DN150 4mm -0.025Mpa 13mm(L<=1000mm)
DN200 5mm -0.02Mpa 15mm(L<=1000mm)

• Related Keywords :PTFE, pipe, PTFE lined pipe, carbon steel pipe
• Date Posted : 2014. 11. 17
• Valid Until : 2015. 11. 17