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 40x50x1.5 PTFE KVK/China
Product data

Ød=40 mm ; ØD=50 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 20 pcs.
Back-up ring F4 30x40x3 PTFE KVK/China
Product data

Ød=30 mm ; ØD=40 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 20 pcs.
Back-up ring F4 30x40x2 PTFE KVK/China
Product data

Ød=30 mm ; ØD=40 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 20 pcs.
Back-up ring F4 30x40x1.5 PTFE KVK/China
Product data

Ød=30 mm ; ØD=40 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 20 pcs.
Back-up ring F4 35x41x1.25 PTFE KVK/China
Product data

Ød=35 mm ; ØD=41 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 74 pcs.
Back-up ring F4 55x65x2 PTFE KVK/China
Product data

Ød=55 mm ; ØD=65 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 32 pcs.
Back-up ring F4 55x65x1.5 PTFE KVK/China
Product data

Ød=55 mm ; ØD=65 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 15 pcs.
Back-up ring F4 140x150x2 PTFE KVK/China
Product data

Ød=140 mm ; ØD=150 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 6 pcs.
Back-up ring F4 105x115x2 PTFE KVK/China
Product data

Ød=105 mm ; ØD=115 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 46 pcs.
Back-up ring F4 90x100x2 PTFE KVK/China
Product data

Ød=90 mm ; ØD=100 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
