
Class 150 Triple Offset Butterfly Valve
The Class 150 Triple Offset Butterfly Valve is a high-performance, metal-seated butterfly valve suitable for systems involving steam, oil and gas, seawater, and corrosive media
- Product Introduction
Class 150 Triple Offset Butterfly Valve Overview
The Class 150 Triple Offset Butterfly Valve is a high-performance, metal-seated butterfly valve suitable for systems involving steam, oil and gas, seawater, and corrosive media; it features zero leakage, high-temperature resistance, a long service life, and low operating torque.

Product Specifications
|
Part Name |
Materials |
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|
|
CS |
ALLOY |
SS |
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|
BODY |
WCB |
LCB |
WC6 |
CF8M |
CF3 |
CF3M |
4A |
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|
DISC |
WCB |
LCB |
WC6 |
CF8M |
CF3 |
CF3M |
4A |
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|
STEM |
410 |
F304 |
F6a |
F316 |
F304L |
F316L |
F51 |
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|
SEAL RING |
SS+GRAPHITE LAMINATED/METAL TO METAL/ PTFE* |
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|
PACKING |
Graphite |
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|
GASKET |
SS+Graphite |
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|
BOLT/NUT |
B7/2H |
L7/7 |
B16/7 |
B8M/8M |
B8/8 |
B8M/8M |
B8M/8M |
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|
SUITABLE SERVICE |
W.O.G etc. |
STEAM |
ACID, SEA WATER |
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|
SUITABLE TEMPERATURE |
-29~425°C |
-46~350°C |
-29~550°C |
-196~427°C |
-196~427°C |
-196~427°C |
-196~427°C |
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Class 150 Triple Offset Butterfly Valve Material Specification
Valve Body / Valve Disc
Constructed from materials such as WCB, WC6, CF8M, CF3M, and 4A, offering a combination of high strength, corrosion resistance, and high-temperature durability.
Valve Stem
Manufactured from stainless steel grades including 410, F304, F316, and F51, ensuring excellent wear resistance, corrosion resistance, and stable operation.
Sealing
Supports metal-to-metal hard sealing, graphite composite sealing, and PTFE sealing options to meet the requirements of high-temperature environments and zero-leakage applications.
Packing / Gaskets
Utilizes graphite packing and spiral-wound stainless steel gaskets, providing high-temperature resistance and reliable sealing stability.
Class 150 Triple Offset Butterfly Valve Applications
Oil & Gas
Used for shut-off and control in oil, gas, and storage pipelines.
Chemical Industry
Used in control systems for corrosive media and chemical fluids.
Power Industry
Suitable for boiler steam and high-temperature pipeline systems.
LNG Cryogenic Systems
Used for the transport and control of ultra-low temperature media.
Seawater Systems
Used in seawater desalination and offshore platform piping systems.
Metallurgy Industry
Used for the control of high-temperature flue gas and industrial media.
Factory Production Capability for Class 150 Triple Offset Butterfly Valve
Production Equipment:
Equipped with CNC machining centers, automated welding equipment, and pressure testing equipment.
Process Capabilities:
Utilizes precision casting, triple-offset sealing machining, and hard-facing overlay welding processes.
Surface Treatment:
Offers sandblasting, anti-corrosion coating, and rust-proofing treatments.
Production Capacity & Lead Times:
Supports mass production with a stable supply chain and rapid delivery times.
OEM / ODM:
Offers customization options for materials, dimensions, sealing mechanisms, actuation systems, and branding.
Quality System:
Implements a comprehensive quality inspection process, including raw material testing, pressure testing, and seal testing.
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