NPT Round Face Galvanized Round Edge Coupling Pipe Fittings
2.Threaded pipe joiner, corrosion-resistant .
3.Industrial water/gas pipeline connection .
4.Hot-dipped galvanized, precision-threaded .
5.High-strength, anti-rust malleable iron .
6.NPT/BSPT compatible, round-edge fitting .
7.Industrial-grade, secure pipe coupling .
8.Durable round-edge galvanized pipe joiner
Description
NPT Round Face Galvanized Round Edge Coupling Pipe Fittings
Looking for reliable pipe connections that withstand harsh industrial conditions? Our NPT Round Face Galvanized Round Edge Coupling Pipe Fittings offer the idealize arrangement for your heavy-duty applications. These specialized connectors consistently connect two channels of indistinguishable distances across in direct liquid transport frameworks. Fabricated from high-grade pliable press, they include exact NPT strings with a 60-degree point and 1:16 decrease proportion. This makes an uncommonly tight dry seal through mechanical wedging activity. The circular edge plan gives smooth, ceaseless support that stands up to mechanical push and warm development without making frail points.
At Shanxi Taigu Zhiyuan Malleable Iron Company Limited, we've been culminating pipe fitting fabricating for over 26 a long time. Our mastery guarantees you get fittings that illuminate basic industry challenges, counting galvanic erosion and band push failures.
Technical Specifications
Our galvanized couplings conform to strict industry standards for maximum reliability:
| Property | Specification |
|---|---|
| Material | High-grade Malleable Iron (ASTM A197) |
| Thread Type | NPT (National Pipe Taper) |
| Thread Angle | 60 degrees |
| Taper Ratio | 1:16 |
| Tensile Strength | ≥350 MPa (40,000+ psi) |
| Yield Strength | 207 MPa (30,000 psi) |
| Elongation | 5-10% |
| Pressure Rating | Class 150 (300 psi WOG) |
| Steam Rating | 150 psi Saturated Steam |
| Operating Temperature | -29°C to 177°C (-20°F to 350°F) |
Key Features
Superior Erosion Assurance: Hot-dip galvanizing makes a zinc coating that enters the press substrate, giving cathodic security against oxidation.
Round Edge Support: The beaded collar plan includes 15-20% more fabric mass at fitting openings, avoiding band stretch disappointment amid installation.
Precision Threading: Machined to ASME B1.20.1 measures, guaranteeing culminate string engagement and leak-proof seals.
Thermal Solidness: Built to handle variable warm cycling without compromising basic integrity.
Easy Establishment: Smooth circular edges dispense with sharp corners that might harm fixing compounds or cause establishment difficulties.
Dimensions and Specifications Table
| Size (inches) | Length (mm) | Wall Thickness (mm) | Weight (kg) |
|---|---|---|---|
| 1/8" | 25 | 3.2 | 0.08 |
| 1/4" | 27 | 3.5 | 0.12 |
| 3/8" | 30 | 3.8 | 0.18 |
| 1/2" | 32 | 4.0 | 0.25 |
| 3/4" | 35 | 4.5 | 0.38 |
| 1" | 40 | 5.0 | 0.55 |
| 1-1/4" | 45 | 5.5 | 0.78 |
| 1-1/2" | 48 | 6.0 | 1.02 |
| 2" | 55 | 6.5 | 1.45 |
| 2-1/2" | 65 | 7.0 | 2.1 |
| 3" | 75 | 7.5 | 2.8 |
| 4" | 85 | 8.0 | 4.2 |
Materials and Surface Treatment
We utilize dark heart pliable press that offers uncommon solidness and stun retention. The hot-dip galvanizing handle applies a least 86-micron zinc coating (roughly 600g/m²). This thickness surpasses standard prerequisites and gives prevalent rust resistance in impartial salt splash tests.
The galvanizing prepare includes cleaning, fluxing, and submerging fittings in liquid zinc at 450°C. This makes an amalgam layer that bonds forever with the base metal, guaranteeing long-lasting assurance indeed if the surface coating gets scratched.
Standards and Certifications
Our fabricating forms entirely follow:
- ASME B16.3 for Malleable Iron Threaded Fittings
- ASTM A197 for Material Standards
- ANSI/ASME B1.20.1 for NPT Thread Specifications
- ASTM A153 for Hot-Dip Galvanizing Requirements
- ISO 9001 Quality Management System
Application Areas
These flexible fittings serve numerous industries:
Water Frameworks: Civil water dispersion, water system systems, and building plumbing systems.
Oil and Gas: Transmission pipelines, refineries, and handling offices requiring corrosion-resistant connections.
Industrial Applications: Chemical preparing plants, fabricating offices, and control era systems.
Marine Situations: Seaward stages and coastal establishments where salt presentation requests prevalent erosion protection.
HVAC Frameworks: Steam and condensate lines in commercial and mechanical warming systems.
Installation Instructions
Preparation: Clean pipe strings completely and review for harm. Apply fitting string sealant or tape.
Assembly: Hand-tighten the NPT Round Face Galvanized Round Edge Coupling Pipe Fittings until resistance increases noticeably.
Final Fixing: Utilize a pipe torque to turn an extra 1-2 turns. Maintain a strategic distance from over-tightening, which can split the fitting.
Testing: Weight test the framework slowly to confirm leak-free operation some time recently full commissioning.
Packaging and Shipping
We protect your fittings during transport with:
- Individual plastic bags for smaller sizes
- Cardboard boxes with foam inserts
- Wooden crates for bulk orders
- Moisture-resistant packaging materials
Standard conveyance time is 15-30 days depending on arrange estimate and customization requirements.
Quality Control
Every fitting undergoes rigorous testing:
- Dimensional verification using precision gauges
- Thread compatibility checks
- Pressure testing to 1.5 times working pressure
- Visual inspection of galvanized coating
- Material composition analysis
Our quality group performs irregular examining all through generation to keep up reliable standards.
OEM and Customization Services
With 30,000 tons annual production capacity, we handle custom orders efficiently. Our engineering team can modify:
- Special size requirements
- Alternative thread types
- Custom marking and branding
- Modified pressure ratings
- Special packaging needs
Frequently Asked Questions
Q: What's the difference between round edge and square edge fittings?
A: Round edge fittings provide smoother reinforcement without sharp corners, reducing stress concentration points.
Q: Can these fittings handle steam applications?
A: Yes, they're rated for 150 psi saturated steam service.
Q: How long does the galvanized coating last?
A: With proper installation, expect 20+ years of corrosion protection in normal environments.
Q: Are replacement gaskets needed?
A: No, NPT threads create metal-to-metal seals using thread sealant or tape.
Contact Us
Ready to enhance your piping systems with premium NPT Round Face Galvanized Round Edge Coupling Pipe Fittings? Our experienced team stands ready to assist with technical questions, custom orders, and competitive pricing.
Email us at zhiyuan@mifittings.com for immediate assistance. We're committed to providing reliable solutions that exceed your expectations and deliver long-term value for your projects.
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