B2527-F

Product Name B2527-F
Classification Piston Rod Seal
Certification ISO 9001, FDA, RoHS

TvnSeal Engineering Plastics Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D and manufacturing of high-performance sealing materials and special polymer new materials.

Unequal-angle V-seal optimized for low pressure; ensures sufficient contact pressure at low loads, requires external spring pre-tension. For chemical, pharmaceutical and food service.

Surface RoughnessRtmaxRa
Sliding Surface≤ 2μm≤ 0.05-0.3μm
Groove Bottom≤ 6.3μm≤ 1.6μm
Groove End Face≤ 15μm≤ 3μm
Additional Notes: Support Rate: 50-95%, Cutting Depth 0.5R (based on the reference condition of Cref=0%)
Recommended Dimensions (mm)Maximum Radial Extrusion Gap (mm)
dDCs*
f8H10 2-16 bar3-50 bar4-100 bar
Range (mm)
1016d+83,5121518
1640d+104,0141923
4050d+124,5162226
5075d+155192733
75150d+206253542
150200d+258,5324453
200300d+3010395464
300 d+4013456476
The extrusion clearance values shown in the table are valid for temperatures under 70°C. Lower clearances shall be used at higher temperatures.

Applications

Chemical Industry

Used in pumps, valves, and piping systems for chemical processing plants.

Pharmaceutical

FDA-compliant seals for drug manufacturing and processing equipment.

Food Processing

Sealing solutions for food and beverage processing machinery.

Oil & Gas

High-pressure seals for oil drilling and refining equipment.

Automotive

Engine and transmission seals for automotive applications.

Aerospace

Precision seals for aerospace and aviation equipment.