Custom High Performance Triple Eccentric Stainless Steel Butterfly Valve Manufacturers, Factories

Type:Triple Offset

Series:D73H-150LB

Size: DN40-DN600/2”-24”

Pressure rating: PN6/PN10/PN16/5K/10K/150LB/300LB/600LB

Design standard: API/EN/JIS

Service: OEM&ODM

This metal to metal butterfly valve body/internals are made of stainless steel (commonly 304, 316, 316L), paired with a triple eccentric metal hard seal structure, which combines high temperature resistance, high pressure resistance, wear resistance, and strong corrosion resistance. It is suitable for corrosive media, clean conditions, and high-demand industrial pipelines.

Product Description

Technical Specifications
Valve Type: Wafer butterfly valve Structure: Eccentric
Standard: API/EN/JIS Workmanship: Investment casting
Sealing direction: Bidirectional Sealing grade: Zero leakage
Temperature: -190°C < T < 700°C Operation: Handle
Wafer butterfly valve diagram
Product Characteristics
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This stainless steel triple eccentric butterfly valve adopts a three-offset structure with metal hard seal. It operates friction-free and achieves reliable bidirectional tight shutoff. Featuring excellent corrosion resistance, high temperature and pressure resistance, it works steadily with corrosive media. Compact in design, it is compatible with various actuators and ideal for chemical, food, pharmaceutical and seawater treatment systems.

Butterfly valve characteristics
Key Advantages
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1. Excellent Corrosion Resistance

This high performance butterfly valve is manufactured from 304, 316 or 316L stainless steel, the valve resists acids, alkalis, salt spray, chemical solvents and seawater effectively. It hardly gets rusted, perfectly suited for pipelines conveying corrosive media.

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2. Outstanding Working Performance

The triple eccentric design eliminates friction during operation. The metal hard seal ensures reliable bidirectional tight shutoff. It features great resistance to high temperature, high pressure, erosion and wear, delivering stable performance in harsh conditions.

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3. Sanitary & Versatile Application

The metal to metal stainless steel material is clean and non-polluting, meeting sanitary standards for food and pharmaceutical industries. With a compact structure, it is compatible with various actuators for both manual and automated pipeline systems.

Packing & Delivery

Standard: Export wooden case packaging

Export wooden case packing
Application Scenarios

The high performance wafer butterfly valve is widely used in chemical pipelines for acids, alkalis and organic solvents. It also applies to seawater treatment, desalination projects and marine piping. Ideal for sanitary systems in food and pharmaceutical industries, as well as flue gas and wastewater lines in environmental desulfurization and denitrification facilities.

Application 1
Application 2
Application 3
Material Specifications
Part name Material
Valve bodyWCB, QT450-10, Q235, Alloy steel, stainless steel, etc.
Valve stemAlloy steel, stainless steel
Seal ringStainless steel composite multi-level
PackingFlexible graphite or stuffing
Valve seatStainless steel, cobalt based hard alloy
Valve stemStainless steel
Dimensions
Dimension Drawing
PN (MPa) DN (mm) L D D1 Z-Φ d H H0 A B
1.6150702112408-Φ2238523066150
2007126629512-Φ2247129785170
2507631935512-Φ2653332785170
3008337041012-Φ26606364106205
3509242947016-Φ26694404106205
40010248052516-Φ30757444130240
45011454858520-Φ30814472155240
50012760965020-Φ33902522169306
60015472077020-Φ361048590198324
70016579484024-Φ301277810220335
Frequently Asked Questions
What are the advantages of the triple eccentric design?
The triple eccentric (triple offset) design eliminates friction between the seat and the seal ring during operation, which significantly extends the valve's service life and ensures a bubble-tight bidirectional shutoff.
Is this valve suitable for high-temperature applications?
Yes, with its metal hard seal and high-quality stainless steel construction, it can handle extreme temperatures ranging from -190°C up to 700°C.
Can it be used for corrosive media?
Absolutely. The valve is available in 304, 316, and 316L stainless steel, providing excellent resistance to acids, alkalis, and seawater.
What industries commonly use this wafer butterfly valve?
It is widely used in chemical processing, pharmaceutical production, food and beverage industries, seawater desalination, and wastewater treatment plants.
What type of actuators can be used with this valve?
The compact and standardized design allows it to be compatible with various actuators, including manual handles, gear operators, pneumatic actuators, and electric actuators.
Does this valve provide zero leakage?
Yes, the multi-level stainless steel composite seal ring provides a high sealing grade that achieves zero leakage even under high-pressure conditions.

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