Specification
The standard specification of hollow O-shaped gasket refers to table 1, and the manufacturing process obeys Q/1C75 company standard.
Table 1 Standard specification of hollow O-shaped gasket
Nominal pipe diameter | Nominal wall thickness | Available circular diameter | Recommend circular diameter | Material and coating |
Φ0.9 | 0.15 | Φ6-φ50 | Φ6-φ40 | Material trademarks: 1Cr18Ni9Ti OCr18Ni10Ti lconel600 lconelX-750 Coating material: Silver Copper Nickel Fluorine plastic |
Φ1 | 0.15 | Φ6-φ50 | Φ6-φ40 | |
Φ1.6 | 0.25 0.35 | Φ13-φ130 | Φ13-φ70 | |
Φ2.4 | 0.25 0.5 | Φ25-φ340 | Φ40-φ200 | |
Φ3.2 | 0.25 0.5 | Φ50-φ800 | Φ75-φ600 | |
Φ4 | 0.5 0.65 | Φ80-φ800 | Φ120-φ800 | |
Φ4.8 | 0.5 0.8 | Φ150-φ1000 | Φ450-φ1000 |
Structure and size of seal groove (Unit mm )
The structure and size of seal groove refer to table 2 and figure 4
Nominal pipe diameter | circular diameter D | Depth H | Width C | Outer diameter A | Inner diameter B | Rmax |
Φ1 | Φ6-Φ40 | 0.7±0.04 | 1.4 | D+0.07~0.15 | d-0.07~0.15 | 0.3 |
Φ1.6 | Φ13-Φ70 | 12±0.05 | 2.3 | D+0.10~0.20 | d-0.10~0.20 | 0.5 |
Φ2.4 | Φ40-Φ200 | 1.9±0.05 | 3.0 | D+0.15~0.25 | d-0.15~0.25 | 0.8 |
Φ3.2 | Φ75-Φ600 | 2.6±0.05 | 4.0 | D+0.20~0.35 | d-0.20~0.35 | 1.0 |
Φ4 | Φ120-Φ800 | 3.2±0.05 | 5.0 | D+0.25~0.40 | d-0.25~0.40 | 1.3 |
Φ4.8 | Φ450-Φ1000 | 3.8±0.05 | 6.0 | D+0.25~0.50 | d-0.25~0.50 | 1.6 |
Storage and Installation
Storage a. O-shaped metal gasket is not allowed to mixed and stacked with over products for avoiding scoring and crapping;b. O-shaped metal gasket is not allowed to contact with active chemical agents for avoiding corrosion.
Installation: before installation, carefully check and clear the surface of seal groove. Radiate and crossing scoring, impression and other adhesive substances are inhibited.
Ordering Instruction
1. Provide operating environment of O-shaped metal gasket,
a. Operating pressure; b. Operating temperature; c. Operating medium.
2. Type and circular diameter (inner diameter or outer diameter) of O-shaped metal gasket;
3. Pipe trademark, specification and surface coating of O- shaped metal gasket;
4. Providing matched structural form of seal groove, material trademark and corresponding size according to figure 5.
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