Product Overview

The Triple Offset Investment Casting Butterfly Valve is a high-performance, metal-seated butterfly valve engineered for demanding applications requiring zero leakage, high temperature resistance, and exceptional durability. This valve features a triple offset ，the weld end connection provides a permanent, leak-proof joint ideal for high-integrity piping systems in oil & gas, petrochemical, marine, energy, and cryogenic applications.

Triple Offset Investment Casting Butterfly Valve

Technical Specifications

Triple Offset Investment Casting Butterfly Valve

Key Features

1. Triple Offset / Triple-Eccentric Design – Zero Friction Sealing
2. Metal-to-Metal Hard Sealing – Extreme Temperature & Pressure Capability
3. Investment Casting – Superior Surface Finish & Dimensional Accuracy
4. Weld End Connection – Permanent, Leak-Proof Joint
5. Full Bore Design – Maximum Flow Capacity
6. Fugitive Emissions & NACE Compliance
7. Wide Material Selection – WCB / CF8 / CF8M / CF3M
8. Multiple Actuation Options

Aplicaciones

1. Petróleo & gasoductos
2. Petrochemical & Procesamiento químico
3. LNG & Cryogenic Services
4. High-Temperature Steam & generación energía
5. Marine & Offshore

Triple Offset Investment Casting Butterfly Valve

Embalaje ne envío

Packing depends on the product type and quantity. Options include wooden crates or carton boxes with proper protection for weld ends. Shipment can be arranged by sea, ferrocarril, air, or as per customer’s request.

Payment Terms

T/T, L/C at sight, Western Union, PayPal, Apple Pay, Google Pay, Tarheta ar crédito, etc.

Perfil ar empresa

LUOYANG DATANG ENERGY TECH CO., LTD ge 'nar proveedor ar barbula industrial xi hño ar tsa̲, dedicado da proporcionar soluciones control flujo confiable pa 'BA̲TS'I AR TSI, HVAC, NT'OT'E AR DEHE, NE SISTEMAS TUBERÍAS INDUSTRIALES JAR NGA̲THO AR XIMHA̲I. All products are manufactured to international standards with UL/FM, CE, ne ISO 9001 certificaciones. Ko nä'ä 10 years of experience, 'nar instalación ja xí 'ño ar 80,000 m², ne 200+ empleados profesionales, servimos ja ya clientes jar 10+ countries with quality products, precios competitivos, ne entrega confiable.

Triple Offset Investment Casting Butterfly Valve

FAQ

Q1: What is the difference between a triple-offset butterfly valve and a centric (concentric) butterfly valve?

A: In a centric butterfly valve, the stem is located at the center of the valve body; the disc sealing surface remains in constant contact with the seat during opening and closing, resulting in high friction and a shorter service life. A triple-offset butterfly valve features three offsets that ensure the disc immediately separates from the seat upon opening and only makes contact at the final moment of closing—virtually eliminating friction and wear, while providing zero-leakage sealing and an extended service life.

Q2: What is the difference between metal-to-metal (hard) sealing and soft sealing?

A: Metal-to-metal sealing (hard sealing) withstands extreme temperatures (-196°C to +550°C) and offers resistance to wear and corrosion, making it suitable for high-pressure, high-temperature, cryogenic, and abrasive media applications. Soft sealing (nt'udi, EPDM, PTFE) offers superior sealing performance (zero leakage) but has a limited temperature range (typically -20°C to +200°C) and is not suitable for high temperatures or abrasive media. Triple-offset metal-seated butterfly valves are ideal for demanding operating conditions requiring exceptional sealing integrity and reliability.

Q3: What is the operating temperature range for this valve?

A: The operating temperature range is -196°C to +550°C, covering a full spectrum of applications from cryogenic LNG service to high-temperature steam and process heating. This makes the valve an ideal choice for various extreme-temperature applications, including liquefied natural gas (LNG), cryogenic gases, high-temperature steam, and hot oil systems.

Q4: What does compliance with NACE MR 0103 and MR 0175 mean?

A: NACE MR 0103 and MR 0175 are material standards used in the oil and gas industry for sour service environments containing hydrogen sulfide (H₂S). Compliance indicates that the valve materials have been specially treated and tested to resist sulfide stress cracking (SSC) and hydrogen-induced cracking (HIC) in acidic environments, ensuring safe and reliable operation in oil and gas processes involving H₂S.

Q5: What actuation methods are supported for this valve?

A: Options include handwheel (manual, for small sizes), worm gear (self-locking, for DN150 and above), electric actuator (remote/modulating control), pneumatic actuator (rapid response), and hydraulic actuator (high thrust). The top flange complies with the ISO 5211 standard, allowing for direct actuator mounting without the need for additional adapters.

Triple Offset Investment Casting Butterfly Valve