PTFE Hose - Convoluted | #939-12


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939-12

PTFE Hose - Convoluted | #939-12

Parker Convoluted 939/939B PTFE Hose features excellent flexibility and kink resistance for superior performance in chemical transfer, high temperature hydraulics, and hose applications requiring tight routings.


Technical Specifications

  • Hose Type: Natural PTFE
  • Size: -12
  • Hose I.D. (inch): 3/4
  • Design Factor: 4:1
  • Specifications Met: FDA 21 CFR 177.1550 (Tube)
  • Compatible Fitting: 93N Series
  • Maximum Operating Pressure: 1100 psi, 7.6 MPa, 76 bar
  • Maximum Operating Temperature: 450 °F, 232 °C
  • Minimum Operating Temperature: -100 °F, -73 °C
  • Minimum Bend Radius: 3.75 inch, 95 mm
  • Application: Fluid Handling, Compressed Air/Gases, Tools & Equipment, Industrial, Fleet & Automotive, Instrumentation, Hydraulics, Process Control, Ultra High Purity / Semi-Conductor
  • Weight: 0.32 lb/ft, 0.47 kg/m
  • Cover Material: n/a
  • Hose Inner Tube Material: Polytetrafluoroethylene (PTFE)
  • Hose Reinforcement Material: Stainless Steel
  • Size: -12
  • Vacuum Pressure Rating: 28 Inch-Hg, 711.2 mm-Hg
  • Media: Chemicals, Lubricants (Oils), Petroleum Hydraulic Fluids, Water, Food Abrasive Powders, Food & Beverage, Industrial Fluids, Industrial Gases, Steam, Fuels (Oil), Inert Gases
  • Inside Diameter: 3/4 inch, 19 mm
  • Outside Diameter: 27.7 mm, 1.090 inch

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Safety Warning

Item Information

The Parker  939/939B series convoluted PTFE hoses feature superior flexibility and kink resistance for successful operation in chemical transfer, high temperature hydraulics, and hose applications that require tight routings. In addition, the flexible capabilities of the hose allow for an improved bend radius than a 919/919B hose for simplified routing and installation. This hose series is offered with a natural, FDA compliant core tube (939) or with a static dissipative core tube (939B) for applications where electrostatic charges could occur during media transfer.

Both are reinforced with a 304 Stainless Steel braid for a durable, flexible, kink-resistant solution in numerous fluid handling, transportation and military market applications.

Markets:  
• Fluid Handling
• Transportation
• Military
• Industrial

Features/Benefits:
• Excellent flexibility
• Kink resistance for simplified routing and installation
• Great chemical compatibility
• High temperature capability

Applications:
• Chemical transfer
• General hydraulics
• Hose applications requiring tight routings
• High temperature media transfer

Certifications/Compliance:
• FDA CFR 177.1550 (939 only)

Technical Specifications:
• Use hose type 939B with static-dissipative core tube when conveying non-conducting fluids such as oils, paints, fuels, steam, etc.
• Not suggested for steam-cold water cycling applications
• Hose I.D. is nominal
• Hose O.D. is maximum

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