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3PC 2000 PSI Fire Safe Ball Valve (ISO 5211 Direct Mount)
The 3PC 2000 PSI Fire Safe Ball Valve with ISO 5211 Direct Mounting Pad is a heavy-duty industrial flow control solution designed for high-pressure pipeline systems, automated process loops, and hazardous environments.
Engineered with a precision investment casting (lost wax) body, this three-piece ball valve delivers exceptional structural integrity, chemical resistance, and long-term reliability under severe working conditions.
Key Technical Advantages & Benefits
Inline Maintainability (3-Piece Design)
The swing-out three-piece body configuration allows plant engineers to replace seats, seals, and the ball quickly without unthreading or removing the end caps from the pipeline. This minimizes system downtime and lowers total cost of ownership (TCO).
Integrated ISO 5211 Actuation Platform
Features a built-in ISO 5211 direct mounting pad, eliminating the need for bulky brackets or drive couplings.
It allows for direct installation of pneumatic or electric actuators, ensuring precise stem alignment, reducing structural stress, and creating a compact automated valve package.
High-Pressure Capabilities
Rated at 2000 PSI WOG (Water, Oil, Gas), making it highly suitable for high-pressure hydraulic lines, oilfield fluid handling, and high-pressure steam applications.
Engineered Triple-Safety Design
Blow-out Proof Stem
Bottom-loaded stem design prevents stem ejection even under maximum localized pressure spikes.
Anti-Static Device
Internal grounding springs maintain electrical continuity between the ball, stem, and body, safely discharging electrostatic buildup to prevent accidental ignition in explosive zones.
Fire-Safe Security (API 607)
Available with an optional fire-safe design certified to API 607 4th Edition, ensuring the valve maintains upstream and downstream sealing integrity during and after exposure to extreme thermal hazards.
Technical Specifications & Compliance
| Parameter | Specification Details |
|---|---|
| Valve Type | 3-Piece Full Port Threaded Ball Valve |
| Pressure Rating | 2000 PSI (WOG) / PN130 |
| Size Range | 1/4" to 2" (DN8 to DN50) |
| Body / Cap Material | CF8 (304), CF8M (316), CF3M (316L), WCB Carbon Steel |
| Seat & Seal Materials | PTFE / RTFE / PEEK / Devlon (Based on application) |
| Actuator Mounting Pad | ISO 5211 Direct Mount Type |
| Safety Compliance | API 607 4th Edition (Fire Safe), Anti-Static, Blow-out Proof Stem |
International Thread Connection Standards
NPT (American National Standard Taper Pipe Thread)
Compliant with ANSI/ASME B1.20.1
BSPT / G Thread
Compliant with BS 21 / DIN 2999
ISO Threading
Compliant with ISO 7-1 and ISO 228
Material Selection & Application Matrix
CF8 (SS304)
Ideal for general chemical utilities, water treatment plants, and non-corrosive industrial liquids.
CF8M (SS316)
Standard for process industries, offering superior resistance to chlorides, acetic acids, and pitting corrosion.
CF3M (SS316L)
Low-carbon variant that prevents intergranular corrosion during welding operations in critical process systems.
WCB Carbon Steel
High-strength, cost-effective choice for oilfield fluid isolation, petroleum refining, and high-temperature hydrocarbons.
Actuation & Automation Flexibility
The integrated ISO 5211 platform allows for seamless migration from manual control to automated systems:
Manual Operation
Fitted with a heavy-duty stainless steel hand lever and a secure locking device to prevent accidental actuation.
Pneumatic Automation
Direct mount for double-acting or spring-return (fail-safe) pneumatic actuators for fast-acting shut-off loops.
Electric Actuation
Easy integration with modulating or on/off electric actuators (multi-voltage, explosion-proof options available).
Typical Target Industries
Upstream & Midstream Oil & Gas
Wellhead flow lines, manifold systems, and fuel gas separation units.
Petrochemical & Refining
High-temperature processing lines handling volatile or flammable fluids.
Chemical Processing Systems
Corrosive reagent transfer, dosing systems, and high-pressure chemical reactors.
Industrial OEM & Automation
Plant utilities, pneumatic control skids, and automated factory piping.
Frequently Asked Questions (FAQ)
Q1: What are the primary maintenance advantages of a 3-piece ball valve compared to 1-piece or 2-piece valves?
A: A 3-piece ball valve consists of one center body and two pipe connectors (end caps). By removing the body bolts, the central section containing the ball, seats, and stem can be easily swung out or completely removed for maintenance while the end caps remain threaded to the pipeline.
1-piece and 2-piece valves require the entire valve assembly to be completely unthreaded from the piping system to replace worn seals, leading to significantly higher labor costs and downtime.
Q2: How does an API 607 fire-safe ball valve function during a plant fire?
A: Under normal operating conditions, the ball seals against resilient soft seats (such as PTFE or RTFE) to achieve bubble-tight, zero-leakage isolation.
In the event of a fire, these soft seats degrade or vaporize due to extreme temperatures. The API 607 certified fire-safe design features a secondary, precision-machined metal-to-metal seat lip.
As the soft seat breaks down, line pressure forces the floating ball forward against this metal lip, forming a mechanical seal that drastically restricts downstream leakage and prevents catastrophic fluid release.
Q3: Why is an anti-static device critical for ball valves in explosive atmospheres?
A: When fluids flow through a ball valve, the friction between the non-metallic seats and the rotating ball generates static electricity.
If the valve lacks proper grounding, this static charge can accumulate on the isolated ball and eventually discharge as a high-voltage spark when the valve is operated.
The internal anti-static mechanism utilizes small grounding springs to maintain constant electrical continuity between the ball, stem, and valve body, safely channeling the energy away through the piping system to eliminate ignition risks in hazardous environments.
Global B2B Supply & Logistics Partnership
As a professional industrial valve manufacturer and supplier, SHAANXI GOLD-STONE I/E CO., LTD. delivers certified fluid control solutions to global markets, including North America, Europe, and Southeast Asia.
All products undergo rigorous pressure testing to ensure compliance with international industrial standards, providing engineering contractors and PVF distributors with superior quality, comprehensive documentation, and dependable service life.
Contact our engineering team today for technical drawings and a competitive quote.
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