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  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
  • Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union
Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union

Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union

  • 20 - 199 Pieces
    $26.90
  • 200 - 999 Pieces
    $26.50
  • >= 1000 Pieces
    $26.20

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
Graphic customization（Min.Order: 100 pieces）
View product details

Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Pressure Fluid Control: Designed to connect and seal pipe systems under extreme pressures, preventing leaks through forged alloy construction and NPT thread precision.
  • Modular Disassembly: Enables rapid maintenance by allowing pipe section removal without full system dismantling, thanks to male/female thread and butt-weld interfaces.

Key features

  • 1. Forged Alloy Construction for Superior Durability

    • With a forged alloy body, you can achieve exceptional strength and corrosion resistance in harsh industrial environments. This material outperforms cast alternatives, offering 30% higher tensile strength* to withstand extreme pressures and chemical exposure.

  • 2. Versatile NPT Thread Design for Easy Installation

    • With NPT (National Pipe Thread) male and female thread unions, you can quickly connect and seal pipelines without additional tools. The threaded design ensures leak-proof joints, 50% faster to assemble than tapered-thread systems* for streamlined maintenance.

  • 3. High-Pressure Performance for Critical Applications

    • Engineered to handle pressures up to 1500 PSI, this union delivers twice the capacity of standard models*, making it ideal for heavy-duty commercial plumbing, oil/gas systems, and industrial pipelines.

  • 4. Universal Compatibility for Diverse Scenarios

    • Designed for both male/female thread and butt-weld connections, you can adapt to varied installation needs—from retrofitting existing systems to new construction. Its equal-part shape ensures seamless integration into complex piping networks.

  • 5. ASTM-Compliant Safety and Reliability

    • With compliance to ASTM A105 forging standards, you can guarantee leak-proof performance and structural integrity under extreme conditions. This certification ensures adherence to global industrial safety protocols.

Product details

Forged FMC WECO Fig1502 Hammer Union NPT Male and Female Thread Union Butt Weld Hammer Union

The Forged FMC WECO Fig1502 Hammer Union is a high-performance pipe fitting designed for demanding industrial applications. Engineered with forged alloy construction and NPT threads, it combines durability, leak-proof sealing, and versatility for male/female and butt-weld connections. Ideal for high-pressure systems, it ensures reliable fluid flow control in plumbing, oil & gas, and HVAC sectors.

Technical specifications

FeatureSpecificationBenefit
MaterialForged Alloy (ASTM A105)High strength and corrosion resistance
Connection TypesMale/Female NPT Threads + WeldingVersatile installation and system fitment
Thread StandardNPT (National Pipe Thread)Leak-proof sealing under pressure
ManufacturingPrecision ForgingSuperior structural integrity
Pressure RatingUp to 3000 PSI (Base Model)Safe operation in high-stress environments

Customization guide

Adjustable parameters include thread type (e.g., NPT to BSP) and material grade (e.g., ASTM A182 F316 for corrosive environments) to meet specific application needs.

Get inspired

With the Forged FMC WECO Hammer Union, you can achieve seamless integration in complex piping systems. Its forged alloy construction ensures long-term durability, while the NPT threading guarantees leak-proof performance. Whether for retrofitting legacy systems or building new infrastructure, this union adapts to diverse industrial demands.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating3000 PSI+15% (3450 PSI)+30% (3900 PSI)*
Temperature Range-20°C to 600°C-20°C to 650°C-20°C to 700°C
Material GradeASTM A105ASTM A182 F316ASTM A182 F51
WeightStandard10% lighter20% lighter

Supplier's note

  1. Technical Breakthroughs:

    • Forged Alloy Construction: Outperforms cast alternatives with 25% higher tensile strength.
    • Precision NPT Threading: Reduces leakage risks by 40% compared to standard threads.
    • Weldable Design: Enables direct integration into existing systems without adapters.

  2. Optimal Version Selection:

    • Base Model: Ideal for standard industrial applications (e.g., HVAC systems) requiring up to 3000 PSI.
    • Advanced Model: Suitable for corrosive environments (e.g., chemical plants) with enhanced temperature tolerance.
    • Pro Model: Designed for extreme conditions (e.g., offshore drilling) where pressure exceeds 3500 PSI and temperatures reach 700°C.

The Pro Model’s F51 alloy provides triple the corrosion resistance of industry-standard materials, ensuring longevity in harsh chemical exposures. Combined with its lightweight design, it reduces installation effort while maintaining structural reliability.

Frequently asked questions

  • Which forged hammer union is best for high-pressure pipelines requiring NPT threads?

  • How do I maintain the red elastomer seal on the FMC WECO Hammer Union?

  • Should I choose alloy or stainless steel for a hammer union in chemical plants?

  • Can the FMC WECO Fig1502 Hammer Union be customized for non-standard thread sizes?

  • Is the FMC WECO Hammer Union certified for oil and gas applications?

  • What’s the difference between forged and cast hammer unions?

  • Can NPT threads on the FMC WECO union be reused after disassembly?

  • Which industries use the FMC WECO Fig1502 Hammer Union?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Hammer UnionsHigh-pressure pipelines, industrial plantsForged Alloy Body (ASTM A105) ▲
NPT Threads (ANSI B1.20.1)
Male/Female Connections		▲ 3000 psi (Industry Standard: 2500 psi)
Quick disassembly
Shock-resistant		Heavier than cast iron
Higher cost due to forging
Threaded UnionsResidential plumbing, low-pressure systemsCast Iron/Brass (ASTM A48) ▲
NPT Threads (ANSI B1.20.1)		Cost-effective
Easy installation		▼ 1500 psi (Lower than forged alternatives)
Thread wear over time
Welding Neck UnionsPermanent industrial installationsForged Steel (ASME B16.25) ▲
Welded Connections		▲ 6000 psi (Industry Standard: 4500 psi)
Zero leakage integrity		Requires skilled welding
Difficult to replace once installed
Compression FittingsHVAC systems, low-pressure repairsBrass Body (ASTM B88) ▲
Compression Rings (ISO 5211)		No threading/cutting needed
Reusable		▼ 500 psi (Limited to low-pressure)
Shorter lifespan due to ring degradation
Flanged UnionsPetrochemical plants, high-pressure linesStainless Steel Flanges (ANSI B16.5) ▲
Forged Alloy Body		▲ 8000 psi (Industry Standard: 6000 psi)
Customizable gasket compatibility		Bulky design
High installation complexity
Ball Valve UnionsFlow control in corrosive environmentsForged Alloy Body (ASTM A182 F316) ▲
Integrated Ball Valve (ISO 5211)		Dual function (union + valve)
Corrosion resistance ▲
360° rotation ease		Highest cost tier
Requires specialized maintenance

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