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2.5“ 300LB C95800 加工浮动球阀  (6) 拷贝

Introduction

In modern industrial and offshore pipeline systems, material selection plays a decisive role in valve performance and service life. Among high-performance alloys, C95800 (Nickel Aluminum Bronze) has become one of the most reliable materials for corrosion-resistant valve applications, especially in seawater, marine, and offshore environments.

The C95800 floating ball valve shown in the production image represents a batch of high-pressure Class 300 forged flanged valves, manufactured by J-VALVES, designed for demanding service conditions. These valves comply with API 608, API 6D, API 598, and ASME B16.34 standards, ensuring stable sealing performance and long-term reliability.

What Is a C95800 Floating Ball Valve?

A floating ball valve is a quarter-turn valve where the ball is not fixed but “floats” between two seats. Under pressure, the ball is pushed against the downstream seat to achieve tight shutoff.

When manufactured with C95800 material, the valve gains superior resistance to:

  • Seawater corrosion

  • Chloride-induced stress corrosion cracking

  • Biofouling environments

  • Cavitation and erosion

This makes it highly suitable for marine and offshore pipeline systems.

Key Features of C95800 Floating Ball Valves

1. Excellent Corrosion Resistance

C95800 Nickel Aluminum Bronze provides outstanding protection in seawater and brine environments, making it ideal for:

  • Offshore platforms

  • Shipbuilding systems

  • Desalination plants

  • Coastal industrial facilities

2. Reliable Sealing Performance

The floating ball design ensures:

  • Tight sealing under medium and high pressure

  • Bi-directional shutoff capability

  • Reduced leakage risk in pipeline isolation

Soft seat configurations (PTFE / RPTFE) further enhance sealing reliability.

3. Compact and Cost-Effective Design

Compared to trunnion-mounted designs, floating ball valves offer:

  • Simpler structure

  • Lower manufacturing cost

  • Compact installation size

  • Easy maintenance

This makes them suitable for medium-size pipelines.

4. Pressure Capability for Class 300 Service

C95800 floating ball valves are commonly used in:

  • ANSI Class 150–300 systems

  • Medium-pressure industrial pipelines

  • Marine utility systems

They provide stable operation under fluctuating pressure conditions.

API and ASME Compliance

J-VALVES C95800 floating ball valves are designed in accordance with international standards:

  • API 6D – Pipeline valve specification

  • API 608 – Metal ball valve design

  • API 598 – Pressure testing and inspection

  • ASME B16.34 – Pressure-temperature rating

  • ASME B16.5 – Flanged connection standard

These standards ensure safe performance and global engineering acceptance.

J-VALVES Engineering Advantages

1. Advanced Material Casting & Machining

C95800 bodies are produced with strict metallurgical control to ensure:

  • Uniform grain structure

  • High mechanical strength

  • Stable corrosion resistance

Precision CNC machining ensures sealing accuracy.

2. Optimized Floating Ball Design

J-VALVES engineers optimize:

  • Ball roundness tolerance

  • Seat contact pressure distribution

  • Low-torque operation performance

This improves service life and operational stability.

3. High-Integrity Seat System

Available seat options include:

  • PTFE for low friction and tight sealing

  • Reinforced RPTFE for higher durability

  • Metal seats for high-temperature applications

4. Strict Quality Control Process

Each valve is tested according to API requirements:

  • Shell hydrostatic test

  • Seat leakage test

  • Torque verification

  • Dimensional inspection

  • Material certification traceability

Industrial Applications

C95800 floating ball valves are widely used in:

Offshore Engineering

  • Seawater injection systems

  • Firewater pipelines

  • Cooling water circulation systems

Marine Industry

  • Ship ballast systems

  • Bilge and discharge lines

  • Seawater cooling circuits

Petrochemical Industry

  • Low to medium pressure process lines

  • Utility fluid isolation systems

Water Treatment Systems

  • Desalination plants

  • Pump station pipelines

Real Project Application Value

Offshore Platform System

C95800 floating ball valves are used for seawater handling systems, ensuring long-term corrosion resistance and stable operation under continuous exposure.

Marine Cooling System

The valves provide reliable shutoff performance in seawater cooling circuits, reducing maintenance frequency and system downtime.

Coastal Industrial Facility

Installed in utility pipelines, the valves improve operational safety and reduce leakage risks in corrosive environments.

Conclusion

The C95800 floating ball valve is a high-performance solution designed for marine, offshore, and corrosive industrial environments. With excellent corrosion resistance, reliable sealing performance, and compliance with API and ASME standards, it is widely recognized as a dependable choice for medium-pressure pipeline systems.

Backed by advanced manufacturing capability and strict quality control, J-VALVES continues to deliver high-quality C95800 valve solutions that ensure long-term reliability, safety, and efficiency in global industrial applications.

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Nominal Size: 1 inch / DN25, range 1/4 to 12 inch Pressure Class: ASME Class 150, 19.6 bar at 38°C; Class 300 optional Body Material: ASTM B148 C95800 nickel aluminum bronze Body Type: Two piece, bolted Ball: C95800, SS316 hard faced optional Stem: C95800 or SS316, blowout proof Seat: PTFE, RPTFE, PPL, or reinforced PTFE Packing: PTFE or graphite combined packing End Connection: Threaded NPT / BSPT, flanged RF to ASME B16.5 optional Service Temperature: -29°C to +150°C standard, +200°C high temperature version Seawater Velocity Limit: About 6 m/s clean, 4.5 m/s with sand Design Standard: API 608, ASME B16.34 Test Standard: API 598, ISO 5208 Operation: Lever standard, pneumatic or electric optional
Size Range: 2 to 56 inch (DN50 to DN1400) Pressure Class: ASME Class 150 to 2500 / PN20 to PN420 Body Material: WCB, LCB, CF8, CF8M, CF3M, duplex, alloy steel Ball: Stainless with hard chrome, ENP, Stellite or tungsten carbide overlay Seat: PTFE, RPTFE, PPL, or metal Stellite faced Seat Arrangement: SPE, DPE (DIB-1), or combination (DIB-2) Packing: Live loaded graphite, ISO 15848-1 qualified Fire Test: API 607, also API 6FA and ISO 10497 Fugitive Emission: ISO 15848-1 class B or A, with temperature and cycle class stated Face to Face: ASME B16.10 short or long pattern End Connection: Flanged RF / RTJ to B16.5 and B16.47, butt weld to B16.25 Features: Double block and bleed, sealant injection, anti-static, anti-blowout stem Design Standard: API 6D, API 608, ASME B16.34, ISO 14313 Operation: Lever, gear, pneumatic, electric, hydraulic, gas over oil Sour Service: NACE MR0175 available
Nominal Size: 1-1/2 inch / DN40 Pressure Rating: 1000 WOG (68.9 bar cold working, non-shock) Body Type: Three piece, bolted end caps, four body bolts Body Material: ASTM A351 CF8 (304), CF8M (316) optional Ball: CF8, polished Ra 0.4 µm, full or reduced bore Seat: PTFE, RPTFE, PPL, or Stellite faced metal Body Gasket: PTFE to 180°C, graphite above Packing: PTFE V-ring to 200°C, graphite above End Connection: NPT, BSP, socket weld B16.11, butt weld B16.25, flanged RF Actuator Mounting: ISO 5211 F05 / F07 pad Air Supply: 0.4 to 0.7 MPa clean dry air Service Temperature: -29°C to +260°C, seat dependent Design Reference: MSS SP-110 general purpose, ASME B16.34 body wall Test Standard: API 598, ISO 5208
Nominal Size: 3/4 x 1/2 inch (DN20 x DN15), reduced bore Pressure Class: ASME Class 600 / PN100, 102.1 bar at 38°C Body Material: ASTM A182 F51 forged duplex, UNS S31803 PREN: Approximately 35 Ball: F51 with HVOF tungsten carbide or Stellite overlay Stem: F51, SS316 or 17-4PH, blowout proof Seat: RPTFE, Devlon, PEEK, or Stellite faced metal Bolting: B8M Class 2, alloy 718, or B7M for sour service End Connection: NPT, BSP, socket weld ASME B16.11, butt weld ASME B16.25 Bleed Port: Cavity bleed with plug or needle valve, lockable option Service Temperature: -29°C to +300°C, seat dependent Design Standard: API 6D, API 608, ASME B16.34 Test Standard: API 598, ISO 5208, cavity test through bleed port Sour Service: NACE MR0175 available