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SPN-High Pressure Rod Seal PTFE Bronze, NBR/FKM

SPN-High Pressure Rod Seal PTFE Bronze, NBR/FKM

Type
SPN
Delivery Time
3-7 days
Quality
High-quality
Service
Standard product/Customized product
Brand
DSH
Price
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DSH Seals’ SPN-type shaft Lancaster letter is a two-way piston rod seal consisting of a PTFE bronze composite or a high-hardness polyurethane rod seal ring and an E-ring. SPN seals are especially suitable for controlling cylinder servo systems, machine tools, cylinder quick response and construction equipment, and two-way piston rod cylinders. This filler has low frictional resistance, which eliminates stick-slip and ensures high wear resistance. When the service range of stress is used, wide and fast sliding speed.

SPN’s sealing ring has high chemical resistance and corrosion resistance. O-rings and sealing rings of different materials can be used. SPN sealing ring can be applied to almost all media. Since the special shape of the sealing structure has good film properties, it can be returned to the oil.


Advantages

  • Suitable for one-piece cylinders.

  • Small size installation.

  • Very small start-up and motion friction, ensuring smooth movement even at low.

  • Speeds, no creeping phenomenon.

  • Abrasion, Anti squeeze.

  • Optional high temperature materials.


◆◆ PTFE, nbr / fkm rubber


Material descriptionPTFE filled Bronze, PTFE filled carbon fiber and MoS2, PTFE filled Graphite, PTFE filled PI, PTFE filled Ekonol, and so on.
Available ColorBlack, green, coffee, gold and so on
Material StrengthWith the same performance as SPNO, this is used in case the service range of pressure is wide and sliding speed is high. The packing has low frictional resistance, eliminating stick slip and assuring high wear resistance.
Temperature-40~+160℃
Speed≤1.50m/s
Pressure≤35MPa
Applied deviceMobile Hydraulic equipment / standard cylinder / Presses/excavators


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◆◆ Slide Ring for Rod - SPN


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Technical Data
 PressureTemperatureSliding speedMedium
Material
 Elastomerslide ring
StandardNBRPTFE-Bronze
Standard(on request)FKMPTFE-carbon
pressure160bar250bar400bar
Max Gap EE≤0.6mmE≤0.4mmE≤0.2mm
Order Example for standard version:
Diameter  d=100mm
Order Code: SPN 100*113.4*7.5
Installation Dimension table based on Metric Size(mm)
 d f8 D +0.2L +0.2HR1≤
18~31.5d+94.54.30.8
40~80d+137.57.31.2
90~140d+13.47.57.31.2
Order List
Order NumberDdHh
Order NumberDdHh
SPN 018018274.54.3SPN 075075887.57.3
SPN 020020294.54.3SPN 080080937.57.3
SPN 022022314.54.3SPN 090090103.47.57.3
SPN 027027364.54.3SPN 1000100113.47.57.3
SPN 031531.540.54.54.3SPN 1050105118.47.57.3
SPN 047047607.57.3SPN 1100110123.47.57.3
SPN 053053667.57.3SPN 1200120133.47.57.3
SPN 060060737.57.3SPN 1300130143.47.57.3
SPN 065065787.57.3SPN 1400140153.47.57.3
SPN 070070837.57.3




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