Duplex Check Valve
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Duplex Check Valve

The 4342080270 dual check valve is a fail-safe pressure management component in commercial vehicle pneumatic systems, engineered to ensure uninterrupted brake circuit operation through intelligent redundancy.
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Product Introduction

Type

2 DOUBLE CHECK VALVE

Place of Origin

Zhejiang, China

Purpose

For replace/repair

OE NO.

4342080270

0044291544

1517990

4730E0020

0034297044

Application

Air Brake Valve

Gross Weight

21.8 KGS

Net Weight

16 KGS

Packing Quantity

100 PCS/CTN

Package Dimensions

42 CM*22 CM*37.5 CM

 

Description

 

4342080270 Duplex Check Valve belongs to 2 DOUBLE CHECK VALVE.

 

Core Functions

·Redundancy Protection

  -Dual spool structure enables parallel operation

  -Automatic switching to backup pathway during single-path failure

·Pressure Management

  -Automatically selects highest pressure source for output

  -Maintains pressure isolation between circuits

 

Operational Features

·Rapid Response

  -Millisecond-level isolation of faulty circuits

  -Uninterrupted pressure switching

·Intelligent Control

  -Prevents system flutter caused by pressure fluctuations

  -Eliminates cross-contamination risks

 

Technical Advantages

·Reliability

  -Complies with commercial vehicle brake system safety standards

  -Dual sealing design ensures zero leakage

·Maintainability

  -Visual inspection windows for status monitoring

  -Modular structure supports quick replacement

 

Application Characteristics:

·Suitable for pressure distribution in dual-circuit brake systems

·Supports redundant backup for emergency braking systems

·Compatible with ABS/ESC electronic control systems

43420802701
43420802702
43420802703
43420802705
43420802704

 

Features

 

4342080270 Duplex Check Valve belongs to Air Brake System.

 

Structural Features

·Interface Specifications

  -Standard M22×1.5 threaded ports (Ports 2/11/12)

  -Precision-machined connections for leak-free operation

·Construction Quality

  -OEM-grade materials and manufacturing standards

  -Heavy-duty design for commercial vehicle applications

 

Functional Characteristics

·Pressure Management

  -Maintains stable pressure between dual brake circuits

  -Prevents pressure imbalance during system operation

·Reliability Performance

  -Immediate response to pressure variations

  -Consistent performance under frequent cycling conditions

 

Technical Advantages

·Durability

  -Corrosion-resistant surface treatment

  -Wear-resistant internal components

·Compatibility

  -Direct replacement for original equipment components

  -Meets industry standard performance requirements

 

Installation Notes:

·Requires proper torque specification for port connections

·Must use compatible sealing materials

·Recommended system pressure testing after installation

43420802701
43420802702
43420802703
43420802704
43420802705

 

Packing and Shipping

 

packing and shipping

 

Facility

 

Facilit

 

Certificates

 

Certificates

 

Warehouse

 

Warehouse

 

Flow List Example

 

Flow list example

 

Exhibition

 

Exhibition

 

FAQ

 

Q:Can I have your catalogue?

A:Please contact us for catalogue and more details.

 

Q: How to guarantee the quality of your products?

A:

1) Strict detection during production.

2) Strict sampling inspection on products before shipment and intact product packaging ensured.

3) Each order will provide the corresponding packing list and shipment pictures.

 

Q:How long is the warranty period for the product?

A: The warranty is 12 months, if there's any actual quality problem, we will give refund or send new products as compensation.

 

Q:How about the product quality?

A:We hold the most strict quality control system in the market.

 

Q:How does the factory control product quality?

A:Our factory has a strict quality control system, and every link from raw material procurement to finished product delivery undergoes strict inspection.

 

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