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DQF-Bronze Filled PTFE NBR Compact Piston Seal

DQF-Bronze Filled PTFE NBR Compact Piston Seal

Type
DQF
Delivery Time
3-7 days
Quality
High-quality
Service
Standard product/Customized product
Brand
DSH
Price
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A double-acting O-Ring energized seal developed for sealing between two media such as fluid and gas. It incorporates a limited footprint quad-ring Seal inset into the dynamic sealing face. Installed in grooves. Applied to mobile hydraulics, holding cylinders, piston accumulators etc.

DQF combines the characteristics of low friction, high pressure and high speed seals, as well as the excellent sealing of rubber elastomers. Therefore, it is suitable for working at high speeds, high pressures and under pressure.

It can be used as a double-acting piston accumulator to control and guide the cylinder sealing elements. Suitable for machine tools, presses, rolling mills, accumulators and lifting cylinders. Recommended for certain heavy duty and large diameter applications.


Characteristics


  • Low friction and high elasticity, double guarantee

  • High sealing effect in fluid/fluid or fluid/gas

  • Low gas permeability

  • Excellent sliding properties, no stick-slip behavior

  • Can be used under high pressure conditions, good sliding performance

  • Simple groove design

  • Simple installation


◆◆ PTFE+NBR/FKM


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, white, red, blue, gold and so on
Material StrengthHigh precision, excellent wear resistance, good self-lubricating performance, environmental protection.
temperature-45~+200℃
speed≤3m/s
pressure≤60MPa
Medium:Mineral oil based hydraulic fluids,barely flammable hydraulic fluids,water,air and others.
Applied deviceMobile hydraulics / Holding cylinders/Piston accumulators, etc.


DSH-Pneumatic Piston Seal | Dqf-bronze Filled Ptfe Nbr Compact Seal
DSH-Pneumatic Piston Seal | Dqf-bronze Filled Ptfe Nbr Compact Seal-1
DSH-Pneumatic Piston Seal | Dqf-bronze Filled Ptfe Nbr Compact Seal-2
DSH-Pneumatic Piston Seal | Dqf-bronze Filled Ptfe Nbr Compact Seal-3


◆◆ Piston Seals - DQF


DSH-Pneumatic Piston Seal | Dqf-bronze Filled Ptfe Nbr Compact Seal-4

Technical Data

PressureTemperatureSliding speedMedium
Standard≤60 MPa-45…+200 ℃≤3 m/sineral oil based hydraulic fluids,barely flammable hydraulic fluids, water,air and others.
Material

O ring & X ringslide ring
StandardNBRPTFE-Bronze
Special(on request)FKMPTFE-Carbon
Pressure160bar200bar300bar
Max Gap EE≤0.6mmE≤0.4mmE≤0.3mm
Order Example for standard version:
Diameter D=100mm
Order Code: DQF100*87*8.3
Installation Dimension table based on Metric Size(mm)
D H9d h9L +0.2d1d2R1C≥
40~79D-106.32.621.780.64
80~133D-138.33.532.621.04
135~462D-1812.35.333.531.36
465~700D-3116.36.995.331.87.5
Order NumberD H9d h9L  +0.2
Order NumberD H9d h9L  +0.2
DQF040040306.3DQF150015013212.3
DQF042042326.3DQF160016014212.3
DQF045045356.3DQF170017015212.3
DQF048048386.3DQF180018016212.3
DQF050050406.3DQF190019017212.3
DQF052052426.3DQF200020018212.3
DQF055055456.3DQF210021019212.3
DQF060060506.3DQF220022020212.3
DQF063063536.3DQF230023021212.3
DQF065065556.3DQF240024022212.3
DQF070070606.3DQF250025023212.3
DQF075075656.3DQF260026024212.3
DQF080080678.3DQF270027025212.3
DQF085085728.3DQF280028026212.3
DQF090090778.3DQF300030028212.3
DQF095095828.3DQF320032030212.3
DQF1000100878.3DQF350035033212.3
DQF1050105928.3DQF400040038212.3
DQF1100110978.3DQF420042040212.3
DQF11501151028.3DQF450045043212.3
DQF12001201078.3DQF480048044916.3
DQF12501251128.3DQF500050046916.3
DQF13001301178.3DQF600060056916.3
DQF135013511712.3DQF650065061916.3
DQF140014012212.3DQF700070066916.3
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