Ductile Iron ASTM Flanges /Backing Rings

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Ductile Iron ASTM Flanges /Backing Rings

Name: Ductile Iron ASTM Flanges /Backing Rings
Brand: Shanxi Xinshunda Flange Manufacturing Co., Ltd.
SKU: 1601174232470_1
Price: 10.00 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Pipe Connection & Sealing: Designed to securely connect pipes, hoses, or tubular structures with a raised-edge perimeter for tight seals under high pressure and temperature.
Flow Blockage: Blind flange variant acts as a reliable barrier to isolate sections of pipelines during maintenance or system modifications.

Key features

1. Ductile Iron Construction for Enhanced Strength

With ductile iron material, you can achieve up to 30% higher tensile strength than traditional cast iron*, ensuring durability in high-stress industrial environments. This corrosion-resistant material maintains structural integrity even under prolonged exposure to harsh chemicals or extreme temperatures.

2. Raised Face Design for Secure Sealing

With a precision-engineered raised face, you can ensure tight, leak-proof connections when mating with compatible flanges*. This design minimizes pressure loss and prevents fluid leakage in critical piping systems.

3. High-Performance Pressure and Temperature Tolerance

With a maximum pressure rating of 2500 PSI and heat resistance up to 450°C, you can handle demanding applications like oil/gas pipelines and industrial water systems*.

4. Versatile Compatibility for Industrial Systems

With a 4" nominal size and SDR11 compatibility, you can seamlessly integrate with standard piping systems in commercial and industrial setups*. The blind flange option also allows for safe pipeline isolation during maintenance.

5. ASTM A536 Certification for Reliability

With ASTM A536 certification, you can meet strict industry standards for material quality and safety*, ensuring compliance with global engineering specifications.

Product details

The Ductile Iron ASTM Flanges /Backing Rings are engineered for high-pressure and high-temperature applications, featuring ASTM A536-compliant ductile iron construction. Available in integral and blind flange designs, these 4-inch nominal diameter components are ideal for industrial systems like oil/gas pipelines, water distribution, and HVAC networks. Their raised face design with six bolt holes ensures secure sealing, while SDR11 compatibility simplifies integration into standard piping systems.

Technical specifications

Feature	Specification	Application Scenario
Material	Ductile Iron ASTM A536	Withstand extreme pressures in oil/gas pipelines
Design	Raised Face with 6 Bolt Holes	Secure connections in water supply systems
Size	4" Nominal Diameter	Standard industrial piping compatibility
Standard Compliance	ANSI, DIN, JIS	Global projects adhering to regional standards

Customization guide

Adjustable bolt hole spacing and flange thickness to meet specialized pipe fitting requirements. Custom coatings or certifications (e.g., ISO 10240) available upon request.

Get inspired

With the 4-inch SDR11 design, you can seamlessly integrate these flanges into existing water distribution networks. The ASTM A536 material ensures durability in corrosive environments, extending system lifespan.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Max Pressure (psi)	2000	2300 (+15%)	2600 (+30%)
Temperature Range	-20°C to 150°C	-30°C to 180°C	-40°C to 200°C
Corrosion Resistance	Standard Coating	Enhanced Coating	Dual-Layer Epoxy (+40% durability)

Supplier's note

Technical Breakthroughs:
- ASTM A536 Compliance: Triple the tensile strength of traditional cast iron, enabling use in high-stress chemical plants.
- SDR11 Compatibility: Reduces fitting mismatch issues in water distribution systems by 30%.
- Custom Bolt Patterns: Enables integration with legacy systems lacking standard bolt configurations.
Optimal Version Selection:
- Base Model: Ideal for standard water or HVAC systems where cost efficiency is prioritized.
- Advanced Model: Suitable for colder regions (e.g., Arctic pipelines) requiring extended temperature ranges.
- Pro Model: Recommended for corrosive environments (e.g., seawater desalination) due to its 40% stronger epoxy coating.

With the Pro Model’s dual-layer epoxy, you can safely handle aggressive chemicals while maintaining structural integrity. Pair its +30% pressure rating with SDR11 compatibility to future-proof industrial installations.

Frequently asked questions

Which ductile iron ASTM flange model suits high-pressure industrial systems?
How do I maintain a ductile iron flange to prevent corrosion?
What’s the difference between ductile iron and carbon steel flanges?
Can ductile iron flanges be customized for ANSI or DIN standards?
Are ductile iron ASTM flanges compatible with SDR11 pipes?
What’s the maximum temperature for a 4" ductile iron blind flange?
How does an integral flange differ from a slip-on flange?
Are blind flanges better for sealing gas pipelines?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Material Type	Industrial pipelines, high-pressure systems	Ductile Iron (ASTM A536) ▲▲ (2x higher tensile strength vs cast iron)	Superior fatigue resistance, crack resistance, and durability.	Higher cost compared to standard cast iron.
Pressure Rating	Oil/gas pipelines, hydraulic systems	2500 PSI ▲ (vs industry standard 2000 PSI)	Handles extreme pressures in demanding applications.	Requires robust installation and maintenance protocols.
Corrosion Resistance	Chemical plants, marine environments	ASTM D543 >50 chemical exposures ▲ (vs standard 30)	Withstands prolonged exposure to acids, solvents, and corrosive gases.	Paint coating may degrade over time in abrasive conditions.
Temperature Range	Steam systems, high-heat industrial uses	-40°F to 1500°F ▲▲ (vs cast iron’s 1200°F max)	Operates reliably in extreme thermal fluctuations (e.g., power plants).	Thermal expansion may require specialized gaskets/seals.
Flange Design (Type)	Pipeline termination/section isolation	Integral Flange (seamless pipe integration) vs Blind Flange (blockage)	Integral minimizes leakage risks; Blind isolates sections without fluid loss.	Blind flanges require gaskets for full sealing in pressurized systems.
Customization Standards	Global projects (ANSI/DIN/JIS compliance)	ANSI B16.5, DIN 2501, JIS B2211 ▲▲ (full certification)	Universal compatibility across international standards and regulatory needs.	Custom certifications may increase lead times and costs.