B17-R

Product Name B17-R
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.

Same sealing profile as B17-P; compatible with broader temperature and medium ranges via proper selection of sealing materials.

Surface RoughnessRtmaxRa
Sliding Surface≤ 2.5μm≤ 0.1-0.5μm
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)
dDGRmaxcs*
f8H10+0.2  20 bar100 bar160 bar
Range (mm)
625d+86,30.43,50,230,160,14
2550d+108,00.44,00,260,190,17
50150d+1510,00.45,00,310,240,22
150300d+2014,00.46,00,340,270,25
300500d+2517,00.48,50,370,300,29
500600d+3025,00.410,00,400,340,32
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.