UN

U-Ring Piston Seal (UN)

Product Description

ซีลไฮดรอลิค รุ่น UN - U-Ring Piston Seal (UN)

ซีลรุ่น UN เป็นซีลไฮดรอลิคคุณภาพสูง ออกแบบมาเพื่อรองรับการใช้งานแบบ Piston / Rod



ข้อมูลทางเทคนิค (Technical Data):

• วัสดุ (Material): TPU

• ความแข็ง (Hardness): 95 Shore

• การใช้งาน (Application): Piston / Rod

• รองรับแรงดันสูงสุด (Max Pressure): 250 bar

• ช่วงอุณหภูมิ (Temperature): -30°C ~ +80°C

• ความเร็วรอบ (Speed): ≤ 0.5 m/s

Key Features & Merits

  • ทนทานต่อแรงดันสูง
  • ป้องกันการรั่วซึมได้ดีเยี่ยม
  • เหมาะสำหรับการใช้งานแบบ Piston / Rod

Technical Parameters

TEMPERATURE: -30°C ~ +80°C
PRESSURE: 250 bar
SPEED: ≤ 0.5 m/s

Medium (Applicable Media)

น้ำมันไฮดรอลิค (Hydraulic Fluid)

Material Comparison

TPU
✓ Pros: ทนความแข็งได้ถึง 95 Shore ใช้งานทนทาน
⚠ Cons: ควรใช้ในอุณหภูมิที่กำหนด
Product Image
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Cross Section
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Hydraulic Seal

How to Measure Dimensions (ID × OD × THK)

How to Measure Hydraulic Seals

Size Data for (ID × OD × THK) Inside Diameter x Outside Diameter x Thickness

Total 1,458 sizes
UN 4x10x4 mm
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UN 5x12x6 mm
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UN 5x12x8 mm
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UN 6x12x4 mm
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UN 6x12x5 mm
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UN 6x14x5.7 mm
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UN 6.3x12.7x3.5 mm
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UN 6.3x12.7x3.6 mm
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UN 6.35x12.7x3.18 mm
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UN 6.4x12.7x6.4 mm
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UN 7x15x8 mm
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UN 8x12x5 mm
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UN 8x14x4 mm
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UN 8x14x6 mm
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UN 8x14x8 mm
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UN 8x15x8 mm
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UN 8x16x4 mm
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UN 8x16x6 mm
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UN 8x16x8 mm
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UN 8x18x8 mm
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UN 8x18x10 mm
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UN 8x22x10 mm
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UN 9x15x3 mm
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UN 9.53x15.88x6.35 mm
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UN 9.6x15.7x3 mm
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UN 10x16x4 mm
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UN 10x16x4.5 mm
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UN 10x16x6 mm
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UN 10x16x8 mm
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UN 10x18x5 mm
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UN 10x18x6 mm
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UN 10x18x8 mm
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UN 10x20x5 mm
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UN 10x20x6 mm
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UN 10x20x7 mm
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UN 10x20x8 mm
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UN 10x22x6 mm
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UN 10x22x8 mm
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UN 11x18x6 mm
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UN 11x20x8 mm
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UN 11.1x17.5x6.4 mm
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UN 11.2x19.2x5 mm
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UN 12x18x5 mm
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UN 12x18x6 mm
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UN 12x18x8 mm
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UN 12x19x5 mm
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UN 12x20x5 mm
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UN 12x20x6 mm
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UN 12x20x7 mm
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UN 12x20x8 mm
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UN 12x22x5 mm
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UN 12x22x6 mm
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UN 12x22x7 mm
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UN 12x22x8 mm
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UN 12x22.5x8 mm
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UN 12x24x6 mm
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UN 12x24x8 mm
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UN 12x25x8 mm
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UN 12x25x10 mm
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UN 12x28x6 mm
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UN 12x32x8 mm
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UN 12.5x20.5x5 mm
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UN 12.7x19.05x4.76 mm
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UN 12.7x19.05x6.35 mm
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UN 13x19x4 mm
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UN 14x20x4 mm
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UN 14x20x5 mm
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UN 14x20x6 mm
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UN 14x20x8 mm
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UN 14x22x4 mm
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UN 14x22x5 mm
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UN 14x22x6 mm
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UN 14x22x8 mm
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UN 14x24x5 mm
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UN 14x24x8 mm
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UN 14x25x8 mm
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UN 14x26x5 mm
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UN 14x28x10 mm
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UN 14.3x20.6x6.4 mm
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UN 15x22x5 mm
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UN 15x22x6 mm
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UN 15x22x8 mm
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UN 15x25x5 mm
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UN 15x25x6 mm
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UN 15x25x7 mm
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UN 15x25x8 mm
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UN 15x30x6 mm
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UN 15x30x8 mm
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UN 15x30x10 mm
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UN 15.88x22.23x3.18 mm
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UN 15.88x22.23x6.35 mm
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UN 16x22x5 mm
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UN 16x22x6 mm
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UN 16x22x7 mm
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UN 16x22x8 mm
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UN 16x24x4 mm
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UN 16x24x5 mm
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UN 16x24x6 mm
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UN 16x24x8 mm
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UN 16x25x5 mm
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Frequently Asked Questions (FAQ) - Hydraulic Seals

What is a Hydraulic Seal and what is its role?
A hydraulic seal retains pressurized fluid within a hydraulic cylinder, preventing fluid from leaking across the piston chamber (Piston Seal) or leaking past the rod into the environment (Rod Seal), ensuring optimal hydraulic force and mechanical efficiency.
What operating temperatures and pressures can hydraulic seals withstand?
This depends on the material chosen. Polyurethane (PU) seals typically support pressures up to 400 bar and temperatures around -35°C to +100°C. For higher temperature requirements (up to 200°C), consider Viton (FKM) or PTFE compounds.
What causes hydraulic seal failure and leaks?
Primary causes include: 1. Natural seal wear or material hardening over time, 2. Abrasive contamination caused by worn wiper seals, 3. Operating temperatures exceeding material limits, and 4. Contaminated or degraded hydraulic fluid.
How can I order hydraulic seals from SEALTHAI and do you offer cross-referencing?
We offer complimentary cross-referencing assistance. You can search by dimension directly on sealthai.com or message our engineering staff via LINE OA: @sealthai. We carry brands like Hallite, Kastas, and quality alternatives with ready stock.