• Cutting Equipment Valves
  • Cutting Equipment Valves
  • Cutting Equipment Valves
  • video

Cutting Equipment Valves

  • Brand Haopai
  • Product origin Made in Foshan, China
  • Delivery time 15 days
  • Supply capacity 100 pcs month
  • ‌Double Eccentric Butterfly Valve D342X
1‌.Primary Applications‌: Widely used in ‌water supply and discharge systems‌ across multiple industries, including: .Water treatment plants .Power plants .Steel smelting facilities .Paper manufacturing .Chemical processing .Food processing industries ‌2.Optimal Use Case‌: ‌Particularly recommended for potable water pipelines‌ as a ‌flow regulation and shut-off device‌.

Product Advantages and Features

1.Compact & Lightweight Design

Simple structure with minimal footprint

90° quick-opening/closing operation

Reduced weight for easier installation

2.Maintenance-Optimized Construction

Ergonomic design for effortless assembly/disassembly

Simplified maintenance procedures

3.Dual Eccentric Mechanism

Offset shaft design minimizes seal friction

Extends service life by 3× vs. concentric valves (per API 609)

4.Zero-Leakage Performance

Bubble-tight sealing (Leakage Class VI per EN 12266-1)

Full-seal integrity under rated pressure

Cutting equipment Valves

Product Technical Parameters


Nominal Diameter (DN)

100~1200

100~1200

mm

Nominal Pressure (PN)

1.0

1.6

MPa

Test Pressure

-

Sealing

1.5

2.4

MPa

Shell

1.1

1.76

MPa

Applicable Temperature

-10℃~120℃

Applicable Media

Freshwater, sewage, air


Product Application Scope

Primary Applications
Widely deployed in ‌water supply and drainage systems‌ across:

Water treatment plants

Power plants

Steel smelting facilities

Paper manufacturing

Chemical processing

Food processing industries
Particularly recommended for potable water pipelines‌ as a ‌flow control and shut-off device‌ .

Structural Evolution
As an advanced iteration derived from single eccentric butterfly valves, this design currently represents the ‌most extensively applied butterfly valve variant‌ in industrial settings .

Mechanical Characteristics

00001. Dual Offset Geometry

The ‌stem axis is offset both from the disc center and the valve body centerline‌ ;

 


Product Description

D342X Double Eccentric Butterfly Valve – Key Components Material Specifications

Component

Chinese Standard

ASTM Standard

BS Standard

Valve Body

HT200, Carbon Steel, WCB

A126 Class

B1452-20 ‌

Disc

QT500

A536 65-45-12

BS2789-65 ‌

Stem

2Cr13

420

BS 970 ‌

Stem Bush

ZCuZn38Mn3Pb2

B36

BS 1400 ‌

Disc Seal Ring

NBR Rubber

D2000 AA6014

BS 2494 Buua-N ‌

Seat Retainer Ring

0Cr18Ni9

S32100

BS 321S12 ‌


Company Introduction


Haopai Co., Ltd. was established in 2008 and is a comprehensive service enterprise specializing in machinery and accessories for the home industry. We have a specialized and innovative customer center, component assembly workshop, equipment debugging workshop, processing workshop, and warehousing. Our main business includes sales of mechanical parts, equipment upgrades and renovations, equipment maintenance and relocation, customized non-standard equipment, intelligent production line planning, automation support, machine vision, shared cloud warehouses, etc. We provide customers with professional personalized services. After more than ten years of accumulation and development, our elite service team of nearly 200 people has served over 10000 enterprises nationwide. Over the years, we have accumulated more than 200000 non-standard accessory categories, making us the most comprehensive one-stop procurement platform in the industry. We have the most competitive technical renovation team in China, with a total of over 100000 equipment upgrade and renovation projects. Haopai Co., Ltd. has been committed to the great cause of making global machinery and preferred Chinese parts for many years, and is determined to become the preferred brand for comprehensive services of global machinery and parts.


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves


Deeply Cultivating the Industry for More Than Ten Years, Creating an Intelligent Manufacturing Full Chain System for Woodworking Machinery.

After 16 years of industry accumulation, we have always focused on the research and manufacturing of CNC woodworking machinery. We have established a leading full chain production system and specialized team structure, providing one-stop services from research and development to delivery for global customers. It is currently a one-stop procurement platform with a complete range of categories in the industry.


Specialized and Innovative Customer Center


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve


Haopai has been committed to the business philosophy of quality first, integrity-based, and win-win cooperation. We adhere to the business philosophy of ultimate customer experience and efficient operation, and uphold the service spirit of taking non-standard customization, drilling difficulties, and solving difficulties as our own responsibility. We constantly innovate and aspire to become the preferred brand for comprehensive services of global machinery and accessories. We are committed to making the great cause of global machinery and preferred Chinese accessories contribute to the development of national brands and the strength of Haopai people.


Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve


Team Style


Professional team, always on standby

The service team is distributed in pre-sales consulting, order management, technical support, and after-sales service positions, with 7 × 12 hours of online response to ensure that your needs are processed in the first time.

Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve

Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve

Cutting equipment Valves

Haopai Intelligent Cloud Warehouse, Escorting You

In Order to Solve the Problems of High Procurement Costs, Low Efficiency, Difficult Management, Slow Logistics, And High Stagnant Inventory of Industrial Materials in Factories, Haopai Shared Cloud Warehouse Emerged in 2020. Greater Efforts Will Be Made to Assist Customers in Achieving Zero Capital Occupation, Spare Parts Inventory, And Improving Their Digital Level.

D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves

D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves


Machining Workshop


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves

Component Assembly Workshop


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves


New Media Center


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves


The Intelligent Dispatching System Established in 2021 Has Achieved Intelligent Personnel Allocation, Real-Time Control of Technical Personnel's Work Status, Mobile Dispatching, Accurate and Effective Arrangement of Various Tasks, Precise Control of Project Costs, Thus Creating a Fast Response, Efficient, And Professional After-Sales Service Team.


D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves
D342X、‌Double Eccentric Butterfly Valve
Cutting equipment Valves


Patent Certificates

D342X、‌Double Eccentric Butterfly Valve

Cooperative Partner


We Have Served over 10000 Enterprises Nationwide and Have Accumulated over 200000 Non-standard Accessory Categories over the Years, Covering Major Home Furnishing Brands Across the Country.


Cutting equipment Valves

D342X、‌Double Eccentric Butterfly Valve




Related Products

Get the latest price? We will reply as soon as possible (within 12 hours)