High-performance Pipe Caps For Corrosion Resistance In Petrochemical And Industrial Systems
Ansi/asme b16.
High-performance Pipe Caps For Corrosion Resistance In Petrochemical And Industrial Systems
Ansi/asme b16.9 pipe end caps are buttwelding fittings used to seal or close the end of a pipe. they are manufactured to specific dimensions, tolerances, and materials as defined by the ansi/asme b16.9 standard, ensuring they function reliably in various industrial piping systems for containment, safety, and system expansion.
ASME/ANSI B16.9 pipe end caps are essential fittings designed to seal the ends of pipes, providing robust corrosion resistance and protection for pipelines and boiler systems. These caps are critical for boiler pipeline protection and erosion/corrosion resistance in industries such as petrochemical, power generation, chemical processing, and oil and gas.
Compliant with ASME/ANSI B16.9 standards, these pipe end caps are available in sizes up to 72″ (DN1800) and various wall thicknesses (e.g., SCH 40, SCH 80, up to 200 mm). They are manufactured from materials such as carbon steel (A234 WPB, P265GH), stainless steel (304, 316L, 1.4541, 1.4571), or alloy steel (A234 WP11, WP22). Surface treatments like pickling, passivation, or Fusion Bonded Epoxy (FBE) coatings enhance durability in corrosive environments.
ASME/ANSI B16.9 pipe end caps undergo rigorous testing, including chemical analysis (e.g., A234 WPB: C ≤0.30%; 316L: C ≤0.03%), tensile testing (A234 WPB: YS ≥240 MPa, TS ≥415 MPa; 316L: YS ≥205 MPa, TS ≥515 MPa), hydrostatic testing (up to 9.8 MPa), and nondestructive methods (radiographic, ultrasonic, PMI). With a density of ~7.85 g/cm³ for carbon steel or ~8.0 g/cm³ for stainless steel, and suitability for temperatures up to 450°C (carbon steel) or 870°C (stainless steel), these caps excel in high-pressure piping applications like boilers, refineries, and chemical plants.
The butt-welded design ensures secure sealing, making ASME/ANSI B16.9 pipe end caps ideal for protecting pipe ends in harsh, corrosive settings, such as offshore platforms, power generation facilities, and petrochemical systems.
| Inch | Millimeter | Height | |
| D | E | ||
| 1/2 | 15 | 21.34 | 25.40 |
| 3/4 | 20 | 26.67 | 31.75 |
| 25 | 33.40 | 38.10 | |
| 1 1/4 | 32 | 42.16 | 38.10 |
| 1 1/2 | 40 | 48.26 | 38.10 |
| 2 | 50 | 60.32 | 38.10 |
| 2 1/2 | 65 | 73.02 | 38.10 |
| 3 | 80 | 88.90 | 50.80 |
| 3 1/2 | 90 | 101.60 | 63.50 |
| 4 | 100 | 114.30 | 63.50 |
| 5 | 125 | 141.30 | 76.20 |
| 6 | 150 | 168.27 | 88.90 |
| 8 | 200 | 219.07 | 101.60 |
| 10 | 250 | 273.05 | 127.00 |
| 12 | 300 | 323.85 | 152.40 |
| 14 | 350 | 355.60 | 165.10 |
| 16 | 400 | 406.40 | 177.80 |
| 18 | 450 | 457.20 | 203.20 |
| 20 | 500 | 508.00 | 228.60 |
| 22 | 550 | 558.80 | 254.00 |
| 24 | 600 | 609.60 | 266.70 |
| 28 | 700 | 711.20 | 266.70 |
| Specification | Details |
|---|---|
| Standards | ASME/ANSI B16.9, ASTM A234, ASTM A403 |
| Type | Butt-Welded, Seamless, Welded |
| Material | Carbon Steel (A234 WPB, P265GH), Stainless Steel (304, 316L, 1.4541, 1.4571), Alloy Steel (A234 WP11, WP22) |
| Size Range | 1/2″ to 72″ (DN15–DN1800) |
| Wall Thickness | SCH 10, SCH 40, SCH 80, up to 200 mm |
| Manufacturing | Butt-Welded, Seamless, Welded Fabrication |
| Surface Treatment | Pickling, Passivation, FBE, 3LPE |
| Testing | Chemical Analysis (A234 WPB: C ≤0.30%; 316L: C ≤0.03%), Tensile (A234 WPB: YS ≥240 MPa, TS ≥415 MPa; 316L: YS ≥205 MPa, TS ≥515 MPa), Hydrostatic (≥9.8 MPa), Radiographic, Ultrasonic, PMI |
| Operating Conditions | Pressure: ≥9.8 MPa, Temperature: Up to 450°C (carbon steel), 870°C (stainless steel) |
| Certifications | EN 10204/3.1, ISO 9001, ASME U-Stamp, Third-Party Inspection |
| Feature | ASME/ANSI B16.9 Pipe End Cap | DIN 2617 Pipe Cap | Fond Bombé (Dished Head) |
|---|---|---|---|
| Material | Carbon Steel (A234 WPB, P265GH), Stainless Steel (304, 316L), Alloy Steel (A234 WP11, WP22) | Carbon Steel (HII, P235GH), Stainless Steel (1.4541, 1.4571) | Carbon Steel (HII, P265GH), Stainless Steel (304, 316L), Alloy Steel (15Mo3, 13CrMo44) |
| Standard | ASME/ANSI B16.9, ASTM A234, ASTM A403 | DIN 2617, EN 10253 | DIN 28011, DIN 28013, ASME UG-32, EN 13445 |
| Function | Seals pipe ends, protects against corrosion | Seals pipe ends, protects against corrosion | Seals pressure vessels, versatile designs |
| Corrosion Resistance | Excellent (stainless steel), Good (carbon steel with coatings) | Good (with coatings) | Excellent (stainless steel), Good (carbon steel with coatings) |
| Erosion Resistance | Good (static application) | Good (static application) | Excellent (hemispherical), Good (elliptical, torispherical) |
| Applications | Pipelines, boilers, petrochemical | Boilers, petrochemical, chemical processing | Pressure vessels, boilers, petrochemical |
| Temperature Range | Up to 450°C (carbon steel), 870°C (stainless steel) | Up to 450°C (carbon steel) | Up to 450°C (carbon steel), 870°C (stainless steel) |
| Cost | Moderate | Moderate | Varies (hemispherical: high; torispherical: low) |
| Key Advantage | Butt-welded for secure pipe sealing | Butt-welded for pipe sealing | Versatile designs for vessels |
A curated list of long-tail keywords for ASME/ANSI B16.9 pipe end caps, covering standards, materials, and industrial applications.
Note: ASME/ANSI B16.9 pipe end caps are designed for corrosion-resistant, high-pressure sealing in pipelines and industrial systems. Contact a certified supplier for detailed specifications.
Standards: ASME B16.9 and ASME B16.25
Description: Designed for butt welding to pipe end, providing permanent and strong connection.
Standards: ASME B16.11
Description: Fit into socket of pipe fitting and welded in place.
Thread Types: NPT and BSP configurations
Description: Feature internal or external threads for screwing onto threaded pipe ends.
Features: Flange, slotted head, knurled or faceted head options
Considerations: Length and width dimensions are critical
Design: Dome-shaped for optimal pressure distribution
| Material Type | Standards & Grades | Characteristics | Applications |
|---|---|---|---|
| Carbon Steel | A234 WPB, A420 WPL6 | High strength, cost-effective, general industrial use | Oil & gas, power generation, general industrial |
| Stainless Steel | ASTM A403 WP 304, 304L, 316, 316L, 317, 317L, 321, 310, 904L | Excellent corrosion resistance, hygienic properties | Chemical processing, food & beverage, pharmaceutical |
| Alloy Steel | A234 WP1, WP5, WP9, WP11, WP22, WP91 | Enhanced strength, high-temperature resistance | High-temperature and high-pressure services |
High strength and cost-effective for general industrial applications
General PurposeSuperior corrosion resistance for chemical and food applications
Corrosion ResistantEnhanced properties for high-temperature specialized applications
High Performance
Prevents entry of dirt, debris, and contaminants into piping systems
Provides reliable sealing for both liquid and gas applications
Suitable for various industries and pipe materials
Various head designs for easy handling and installation
Made from single steel plate for superior integrity
Options for permanent or temporary installation
Pipeline terminations, wellhead applications, refinery piping
Process piping systems, chemical storage and handling
Steam and water systems, cooling circuits, fuel handling
Building services piping, HVAC systems, fire protection
Ship piping systems, offshore installations, marine equipment
Hygienic piping systems, processing equipment, sterile systems
An elliptical head is defined as a component in pr...
A torispherical head is a common, cost-effective p...
"fond bombé" is a french term meaning co...
Large size caps are used for connecting pipes of d...
We offer all sa234 wpb pipe caps at really low pri...
Din 2617 is a german standard for butt-weld pipe c...
