Tapones de Cabeza Cuadrada de Acero Inoxidable | Tapones Roscados de Tubería de Acero Inoxidable
Tapones de Cabeza Cuadrada de Acero Inoxidable | Tapones Roscados de Tubería de Acero Inoxidable
Alta Calidad Stainless Steel Plugs, NPT Plugs BSP Stainless Steel Plugs 316 Stainless Steel Plugs form India!
Alta Calidad Stainless Steel Plugs, NPT Plugs BSP Stainless Steel Plugs 316 Stainless Steel Plugs form India!We are one of the leading fabricantes y exportadores of Stainless Steel Square Head Plugs and Threaded Pipe Plugs from India. We have been supplying precision threaded pipe closure solutions to the world market for many decades. Designed to withstand pressure, temperature, and corrosion challenges in demanding environments, our plugs are disponible en multiple threading norma/estándars and production variants. With a global reputation for quality and consistency, our factory delivers bulk and customized solutions to OEMs, fontanería system integrators, petrochemical companies, and distributors worldwide. Our resistencia lies in producing high-integrity parts using a combination of investment casting, CNC turning, and hot forging, supported by full in-house testing and export-ready logistics.
Overview
Our Stainless Steel pipe plugs, NPT plugs, BSP plugs, Stainless Steel 316 Plugs, Stainless Steel threaded pipe plugs are used to securely seal off the ends of pipe systems or outlets in valves and equipment. The most popular style is the square head plug, allowing easy installation or removal using a wrench. These are commonly manufactured via investment casting, hot stamping, or CNC turning from solid bar depending on the size, volume, and resistencia requirements. Threading norma/estándars include NPT, BSP, BSPT, and NPSM, conforming to major international piping norms.
Material Calidad/Grados and Properties
Ofrecemos plugs in the following Stainless Steel calidad/grados:
| Calidad/Grado | Norma/Estándar Equivalent | Properties |
|---|---|---|
| SS 304 | ASTM A351 CF8, JIS SUS304 | General resistencia a la corrosión, good weldability |
| SS 316 | ASTM A351 CF8M, JIS SUS316 | Superior resistance to chlorides and acidic environments |
| SS 304L | ASTM A351 CF3 | Low carbon for better resistencia a la corrosión post-welding |
| SS 316L | ASTM A351 CF3M | Low carbon, ideal for food and pharmaceutical applications |
Propiedades Mecánicas of SS 316 (Typical)
| Property | Value |
| Tensile Resistencia | 515 – 620 MPa |
| Yield Resistencia | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Dureza (Max) | 95 HRB |
| Operating Temperature | Up to 870°C |
Manufacturing Processes
Our threaded pipe plugs are produced via:
- Investment Casting (Lost Wax Process) for mid-sized and intricate plugs
- Hot Stamping for high-resistencia heavy-duty plugs
- Turning from Solid Round Bar for small batch precision plugs
- Post-processing includes CNC threading, surface polishing, and pressure testing
Machinery Used
- CNC Lathes and Machining Centers
- Vertical Milling Machines for head shaping
- Thread Gauging Instruments (NPT, BSP, BSPT norma/estándars)
- Spectrometers and Surface Roughness Testers
- Leak Test Stations and Profile Projectors
Typical Parts Produced
- Square Head Plugs (NPT / BSPT / BSP / NPSM)
- Hex Head Plugs
- Flush Plugs
- Solid Bar Turned Threaded Plugs
Finish Options
- Shot Blasted Natural Finish
- Electro-polished for cleanroom or sanitary applications
- Machined Finish with protective threading caps
Industries Served
Our Stainless Steel pipe plugs are ampliamente utilizado en:
- Petrochemical & Oil Refining Units
- Water Treatment Systems
- Hydraulic and Pneumatic Circuits
- Food & Beverage Processing Equipment
- Marine and Offshore Installations
- HVAC and Fire Sprinkler Networks
Dimensional Chart (Norma/Estándar Tamaños)
| Nominal Pipe Size R | A (Thread Longitud) L | B (Across Flats) | Thread Norma/Estándars |
| 1/4″ | 11 mm | 14 mm | NPT, BSP, BSPT, NPSM |
| 3/8″ | 12 mm | 17 mm | NPT, BSP, BSPT |
| 1/2″ | 14 mm | 22 mm | NPT, BSP, BSPT, NPSM |
| 3/4″ | 16 mm | 28 mm | NPT, BSP, BSPT |
| 1″ | 18 mm | 35 mm | NPT, BSP, BSPT |
| 1-1/4″ | 20 mm | 44 mm | NPT, BSPT |
| 1-1/2″ | 22 mm | 50 mm | NPT, BSPT |
| 2″ | 25 mm | 64 mm | NPT, BSPT |
Tolerances and Testing
- Dimensional Tolerance: ±0.2 mm
- Threading Accuracy: Class 2B (per ASME B1.20.1 for NPT)
- Acabado Superficial: ≤ 3.2 Ra (machined)
- Hydrostatic Testing: 1.5x rated pressure
Turnaround Time
Ofrecemos a norma/estándar 4 to 6-week lead time from order confirmation, with express manufacturing and global air freight available for urgent demands. All parts are inspected before dispatch and supported by detailed test documentation.
Why Choose Us
Our 30+ years of export experience, combined with advanced manufacturing technology and client-centric service, ensure fiabilidad. Ofrecemos:
- Flexible production schedules
- Custom branding and packaging
- Quick response and engineering support
- Quality consistency with competitive pricing
- ISO-compliant systems and export certification
Frequently Asked Questions
- Do you provide metric and imperial tamaños?
- Yes, ofrecemos both metric and inch-based pipe thread plugs.
- Can you supply plugs with food-calidad/grado finish?
- Yes, electro-polished plugs están disponibles for sanitary and cleanroom use.
- Do you offer third-party inspection?
- Yes, with agencies like SGS, BV, TUV on customer request.
- What are your MOQ terms?
- Flexible MOQ for repeat buyers and export partners.
- Can you mark plugs with logos or codes?
- Yes, laser or emboss marking está disponible on bulk orders.
- Do you support custom threads?
- Absolutely. We manufacture NPT, BSPT, BSP, NPSM and special threads.
- Are the threads dryseal?
- We can produce NPTF (dryseal) on request.
- What quality certificates do you provide?
- Material test certificate, pressure test report, RoHS and REACH compliance.
- Are plugs pressure tested?
- Yes, we perform hydrostatic testing on all batches.
- Do you have export experience?
- Yes, we export to North America, EU, Gulf, and SE Asia regularly.
Customer Testimonial
«We’ve ordered Stainless Steel square head plugs for multiple valve assemblies. Their quality and consistency match our ASME requirements, and their team has always delivered well-packed, documentation-ready exports on time.» — Tom L., Ohio, USA
Glossary of Terms
- Square Head Plug: A plug with a square protrusion for wrench tightening
- NPT/BSPT: Tapered pipe thread norma/estándars utilizado en sealing connections
- Investment Casting: Precision casting process using wax molds
- Hot Stamping: Forging process using heated dies to shape metal
- Thread Gauging: Measurement of thread conformity using calibrated gauges
Packaging and Shipping
- Moisture-resistant polybags or caps on threads
- Corrugated export cartons with dividers
- Wooden crates for bulk or sea freight
- Custom labels with part numbers, barcodes, and logos available
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