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3" 150LB C95800 Top Entry Flanged Floating Ball Valve

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The ASME B16.34 C95800 Top Entry Flanged Floating Ball Valve is a high-performance top-mounted flanged floating ball valve, specially designed for industrial applications requiring high reliability, excellent corrosion resistance and convenient maintenance.
Constructed from C95800 Nickel Aluminum Bronze, the valve delivers outstanding seawater corrosion resistance and high structural strength, ideal for harsh environments including marine engineering, seawater desalination, ship systems, chemical plants and coastal oil & gas facilities.
Adopting a top-entry structure, it allows in-line maintenance without removing the valve body. The RF flanged connection complies with ASME B16.5 standard to ensure reliable installation and tight sealing. It can be equipped with manual, pneumatic or electric actuators for easy on-site operation and maintenance.

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Product Description

3" 150LB C95800 Top Entry Flanged Floating Ball Valve

Structural Features

C95800 Nickel Aluminum Bronze Material: The valve body is made of ASTM B148 C95800 nickel aluminum bronze, featuring excellent seawater corrosion resistance, cavitation resistance, anti-biofouling and wear resistance, perfectly suitable for marine and chlorine-containing medium service.
Top Entry Design: The bonnet is top-opened, enabling in-line disassembly and replacement of internal components such as ball, seat and sealing rings. No need to remove the valve from the pipeline, greatly cutting maintenance downtime and labor costs.
Floating Ball Structure: The ball can float freely under medium pressure and closely fit the downstream seat, achieving reliable bidirectional sealing performance.
Flanged Connection: Adopts RF (Raised Face) flanged end connection in accordance with ASME B16.5 standard, ensuring superior installation reliability, interchangeability and tightness.
Fire Safe Design: Compliant with API 607 standard, the valve maintains stable sealing performance even under fire conditions to prevent medium leakage.
Anti-static Device: Built-in anti-static structure effectively avoids static electricity accumulation and reduces fire and explosion risks.
Blowout-proof Stem Design: The valve stem adopts blowout-proof construction to guarantee safe operation.
ISO 5211 Actuator Mounting Pad: Standardized mounting flange on the valve top facilitates assembly with manual, pneumatic and electric actuators.
Compact Structure: Lightweight and compact design enables easy installation and seamless integration into existing piping systems.

Technical Parameters

Item	Specification
Nominal Size	1/4"~4" (DN6~DN100)
Pressure Class	150LB~2500LB (PN20~PN420)
Temperature Range	-29℃ ~ +200℃
Valve Body Material	C95800 (ASTM B148 Nickel Aluminum Bronze)
Ball Material	C95800 / 316 Stainless Steel (Optional)
Stem Material	316 Stainless Steel / Monel K500
Seat Seal Material	PTFE, RPTFE, PCTFE, PEEK (Optional)
Connection Type	Flanged RF (Compliant with ASME B16.5)
Operation Mode	Manual (Lever / Locking Device), Pneumatic, Electric
Design Standards	ASME B16.34, API 608, API 6D
Test Standards	API 598, ISO 5208, API 6D
Fire Safe Standard	API 607 / API 6FA
Face-to-Face Dimension	Compliant with ASME B16.10
Surface Treatment	Polished / Sandblasted, Epoxy Coating Optional

Application Fields

Marine Engineering & Shipbuilding: Widely used in seawater cooling systems, ballast water systems, fire protection systems, bilge water systems and seawater pipeline distribution, with superior seawater corrosion resistance.
Seawater Desalination: Suitable for seawater pipelines of Reverse Osmosis (RO), Multi-Stage Flash (MSF) and Multi-Effect Distillation (MED) systems for long-term stable operation.
Coastal Oil & Gas Facilities: Applied in oil and gas production, gathering and processing systems for offshore platforms, LNG terminals and coastal refining facilities, realizing reliable medium isolation and regulation.
Chemical Industry: Applicable for conveying and reaction systems with chlorine-containing media, brine and acidic working conditions, preventing medium leakage and ensuring production safety.
Water Treatment & Environmental Protection: Used for medium control in sewage treatment, circulating water systems and seawater intake & drainage projects, adapting to complex water quality conditions.
General Industrial Service: Suitable for isolation and regulation of water, oil, gas and other media, especially for harsh working conditions with high requirements on corrosion resistance.

Advantages & Value

Superior Corrosion Resistance: C95800 nickel aluminum bronze features excellent anti-corrosion and anti-biofouling performance in seawater and chlorine-containing environments, greatly extending service life and reducing replacement costs.
Convenient Maintenance & Minimized Downtime: Top-entry design supports in-line overhaul of internal parts without dismantling the valve body or shutting down upstream and downstream pipelines, lowering maintenance time and production loss.
High Reliability & Safety: Fire-safe and anti-static design together with tight sealing effectively reduce leakage hazards and protect personnel and equipment safety.
Easy Installation & Maintenance: ASME B16.5 standard flanged connection simplifies installation and routine maintenance, fully meeting international standard requirements.
Wide Application Range: Optional multiple seat materials and operation modes, plus wide pressure and temperature coverage, enable adaptation to various complex working conditions and medium characteristics.
Excellent Cost Efficiency: Optimize full Life Cycle Cost (LCC) by reducing maintenance downtime, extending service life and delivering outstanding return on investment.

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