Haihao Group Ships ASME B16.48 Line Spade Blinds for Russian Pipeline Project
Haihao Group has finished manufacturing and dispatched ASME B16.48 line spade blinds for a Russian oil & gas pipeline project. These line spade blinds are used for positive isolation of piping systems during maintenance and shutdown operations, fabricated from ASTM A240 Type 316 stainless steel.
Product Specification Table
| Item | Details |
| Product | Line Spade Blind |
| Size | DN100 |
| Pressure Class | CL300 |
| Material | ASTM A240 Type 316 Stainless Steel |
| Main Standard | ASME B16.48 |
| Flange Standard | ASME B16.5 |
| Project Spec | MESC SPE 76/222 2020, MESC SPE 76/012 2020 |
| Certification | ISO 10474-3.1, EN 10204-3.1 |
| Drawing | DEP STD DRG S-38.042-001, S-38.042-002 |
The supplied ASME B16.48 line spade blinds are sized DN100 with pressure class CL300. Flange matching dimensions comply with ASME B16.5. The products follow DEP standard drawings S-38.042-001 and S-38.042-002, together with mandatory MESC SPE 76/222 2020 and MESC SPE 76/012 2020 specifications.
Every ASME B16.48 line spade blind undergoes strict dimensional and material verification. Material test certificates are issued to ISO 10474-3.1 and EN 10204-3.1 standards. Our document package includes vendor declaration of compliance, MTCs and NACE supporting documentation if required for hydrocarbon service.
ASTM A240 Type 316 stainless steel gives the line spade blind good corrosion resistance, suitable for harsh process environments common in Russian energy facilities. Haihao Group’s quality team verifies all marking, thickness and surface finish before packing, ensuring each ASME B16.48 line spade blind meets end-user project requirements.
We support custom line spade blinds in various sizes and pressure classes. Whether your project requires stainless steel or carbon steel isolation blinds, Haihao Group can supply full material traceability and complete certification packages to match international pipeline standards.

