J-Type Vacuum Sealing Ring

• Customization: Available
• Material: NBR
• Application: Cylinder
• Model NO.: JB/T 1090-1991
• Performance: Corrosion
• Shape: J
• Standard: Standard, Nonstandard
• Size: Complete Range of Specifications
• Color: Many
• OEM: Acceptable
• MOQ: 100 PCS
• Transport Package: Plastic Bag and Carton
• Specification: JB/T 1090-1991
• Trademark: HTong
• Origin: Hebei
• HS Code: 40169910
• Production Capacity: 1, 000, 000PCS/Month

Product Description

J type vacuum rubber seals

Standards: JB / T 1090-1991
Applies: the external pressure of the vacuum chamber, the vacuum pressure is higher than 1E-4Pa rotary vacuum mechanical equipment seal, at a specified temperature and the rotation speed of less than 2m / s, speed less than 2000min-1.

Skills requirement

          3.1, the working medium for mechanical pump oil, diffusion pump oil or vacuum grease.

          3.2, the working temperature of -25 ~ +80 degrees.

          3.3, in the case of gas-filled gas protection, the protection of gas pressure is not higher than 5E +4 Pa.

          3.4, the physical and mechanical properties of rubber material should ensure that the vacuum chamber pressure is not higher than 1E-4Pa.

          3.5, J-type vacuum rubber ring work surface should be smooth, does not allow air bubbles impurities, uneven uneven defects, the appearance of its non-surface quality indicators should be consistent with the provisions of Table 2.