F4 Back-up Rings
Polytetrafluoroethylene (Teflon) flat gaskets are the main sealing element used for extrusion resistance. The application is extremely wide. They are usually used together with other type of gaskets. During installation, precautions should be taken to avoid sharp edges.
Back-up ring F4 90x95x1.25 PTFE KVK/China
Product data

Ød=90 mm ; ØD=95 mm ; T=1.25 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 38 pcs.
Back-up ring F4 85x90x1.25 PTFE KVK/China
Product data

Ød=85 mm ; ØD=90 mm ; T=1.25 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 21 pcs.
Back-up ring F4 80x85x1.25 PTFE KVK/China
Product data

Ød=80 mm ; ØD=85 mm ; T=1.25 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 19 pcs.
Back-up ring F4 75x80x2 PTFE KVK/China
Product data

Ød=75 mm ; ØD=80 mm ; T=2 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 14 pcs.
Back-up ring F4 75x80x1.25 PTFE KVK/China
Product data

Ød=75 mm ; ØD=80 mm ; T=1.25 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 40 pcs.
Back-up ring F4 70x80x3 PTFE KVK/China
Product data

Ød=70 mm ; ØD=80 mm ; T=3 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 18 pcs.
Back-up ring F4 70x80x2 PTFE KVK/China
Product data

Ød=70 mm ; ØD=80 mm ; T=2 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 18 pcs.
Back-up ring F4 70x80x1.5 PTFE KVK/China
Product data

Ød=70 mm ; ØD=80 mm ; T=1.5 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 3 pcs.
Back-up ring F4 70x80x1.25 PTFE KVK/China
Product data

Ød=70 mm ; ØD=80 mm ; T=1.25 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 18 pcs.
Back-up ring F4 55x65x3 PTFE KVK/China
Product data

Ød=55 mm ; ØD=65 mm ; T=3 mm
Material: Polytetrafluoroethylene (Teflon) PTFE
Application range (the following limit values cannot appear at the same time):
Speed: = 0 m/s (static seal)
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 18 pcs.
