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The BuTech MPP4 is a high-pressure 1/4 MNPT stainless steel plug designed to securely close and seal 1/4 male threaded ports in fluid or gas systems. Machined from 316 cold-worked stainless, this plug offers excellent corrosion resistance and maintains reliable sealing under pressures up to 15,000 psi (1,030 bar). Featuring a precision hex head, it allows for easy installation with standard wrenches while ensuring leak-tight performance. Ideal for closing off test points, valve ports, or unused branches in high-pressure hydraulic or pneumatic systems where safety and integrity are paramount.
- Rated for high pressure up to 15,000 psi
- Made from 316 cold-worked stainless steel
- 1/4" MNPT male thread for easy connection
- Hex head design for simple installation
- Corrosion-resistant and leak-proof
- Ideal for sealing unused ports in fluid systems
| Model | MPP4 |
| Connection | 1/4" Male NPT |
| Material | 316 Stainless Steel (cold-worked) |
| Maximum Pressure | 15,000 psi (1,030 bar) |
| Temperature Range | –18 °C to 315 °C (0 °F to 600 °F) |
| Head Style | Hex head (fits 9/16" wrench) |
| Finish | Polished stainless steel |
| Weight | ~0.04 lb (≈18 g) |
| Compliance | Suitable for hydraulic/pneumatic high-pressure systems |