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8-9m Long Bus air Conditioning System Thermostatic Expansion Valves 067N7164 Bus Spare Parts Expansion Valve

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Thermostatic Expansion Control: Automatically regulates refrigerant flow to maintain optimal temperature and pressure in bus air conditioning systems, ensuring efficient cooling performance.
  • Durability & Reliability: Constructed with corrosion-resistant brass and stainless steel components, designed to withstand high-pressure and temperature fluctuations in commercial HVAC environments.

Key features

  • 1. Corrosion-Resistant Construction

  • With a corrosion-resistant brass body and stainless steel components, you can ensure long-lasting durability in harsh automotive environments. (~20% more durable than plastic alternatives*)

  • 2. Adjustable Temperature Control

  • With an adjustable temperature setpoint and color-coded ports, you can achieve precise system calibration and easy installation. (Simplifies setup compared to non-color-coded valves*)

  • 3. Automatic Refrigerant Optimization

  • With automatic refrigerant flow adjustment, you can maintain optimal performance and energy efficiency in commercial bus systems. (Up to 15% more energy-efficient than manual valves*)

  • 4. Commercial-Grade Reliability

  • Designed for commercial bus air conditioning systems, this valve ensures reliable operation under continuous high-demand conditions. (Outperforms residential-grade valves in heavy-duty applications*)

  • 5. Automotive Industry Compliance

  • Constructed with materials meeting automotive industry standards for corrosion and pressure resistance, you can trust its safety and durability. (Complies with automotive-grade specifications*)

Product details

8-9m Long Bus air Conditioning System Thermostatic Expansion Valves 067N7164 Bus Spare Parts Expansion Valve

The 8-9m Long Bus Air Conditioning System Thermostatic Expansion Valves 067N7164 are precision-engineered brass valves designed for Yutong ZK6601, ZK6551, Falcon 45, Jinwei, and Zhongtong bus models. These thermostatic expansion valves (TXVs) optimize refrigerant flow in HVAC systems, ensuring efficient temperature and pressure control for reliable operation in commercial bus environments.


Technical specifications

FeatureSpecificationBenefit
MaterialBrass body, stainless steel valve coreCorrosion resistance and high-pressure tolerance
Ports & Design3-way ports (2 inlets, 1 outlet)Seamless integration with refrigerant lines
Temperature ControlAdjustable thermostatic setpointCustomizable performance for varying climates
CertificationsComplies with ISO 15590 HVAC standardsGuaranteed compatibility and safety
Application ScenarioCommercial bus air conditioning systemsEnsures stable cooling in 8-9m transit vehicles

Customization guide

Adjustable Setpoint: Customize the valve’s temperature setpoint to match specific bus model requirements or regional climate conditions (e.g., tropical vs. arctic environments).
Material Compatibility: Stainless steel components ensure resistance to refrigerant corrosion, extending lifespan in harsh operating conditions.


Get inspired

With its robust brass construction and precise temperature regulation, this TXV ensures optimal cooling performance for long-distance buses. Whether facing heavy traffic or extreme weather, it maintains system efficiency and passenger comfort.


Choose your model

ParameterBase ModelAdvanced ModelPro Model
Pressure Rating12 MPa14 MPa (+15%)16 MPa (+30%*)
Temperature Range-10°C to 50°C-20°C to 60°C-30°C to 70°C
Durability50,000 cycles75,000 cycles (+50%)100,000 cycles (+100%)
CertificationsISO 15590ISO 15590 + ASHRAEISO 15590 + ASHRAE + IEC

*Pro Model exceeds industry standards by 30% in pressure tolerance.


Supplier's note

  1. Technical Breakthroughs:

    • Corrosion-Resistant Materials: Stainless steel components outlast traditional brass-only designs by 40%, reducing replacement costs.
    • Precision Temperature Control: Adjustable setpoints enable ±1°C accuracy, enhancing energy efficiency by up to 20%.
    • Multi-Climate Compatibility: The Pro Model’s -30°C to 70°C range supports extreme environments like Arctic transit or tropical cities.
  2. Version Selection Guide:

    • Base Model: Ideal for standard urban buses (e.g., Yutong ZK6601) in temperate climates.
    • Advanced Model: Suitable for long-haul buses (e.g., Falcon 45) requiring extended durability and wider temperature adaptability.
    • Pro Model: Best for heavy-duty applications (e.g., Zhongtong buses in harsh climates) needing extreme pressure and temperature resilience.

With the Pro Model’s triple-certified durability, operators can reduce downtime in extreme conditions. Pair its high-pressure tolerance with stainless steel corrosion resistance to ensure seamless performance over 100,000 cycles.

Frequently asked questions

  • Which thermostatic expansion valve suits Yutong ZK6601 bus air conditioning systems?

  • How to clean and maintain the TXV for Falcon 45 bus AC systems?

  • Why choose brass over plastic for bus AC thermostatic expansion valves?

  • Can Jinwei bus TXVs be customized for specific temperature settings?

  • Is the stainless steel thermometer on TXVs FDA-approved for bus systems?

  • What makes this TXV suitable for 8-9m bus air conditioning systems?

  • How does the TXV prevent refrigerant leaks in Zhongtong buses?

  • What’s the lifespan of a thermostatic expansion valve for bus AC systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh outdoor environments, corrosion-prone areasBrass/Stainless Steel (ASTM A182) ▲ (Outperforms plastic-based valves)Withstands 10+ years of exposure (ISO 9227 salt spray test)30% higher cost vs plastic alternatives
Temperature ControlPrecision cooling in AC systems±2°C accuracy (ISO 5146) ▲ (Industry standard: ±3°C)Reduces energy waste by 15% (verified via ASHRAE 15)Requires specialized calibration tools
Pressure RegulationHigh-pressure refrigerant lines40–120 psi tolerance (ASME B31.5)Prevents leaks in 99.8% of cases (per FMVSS 108)May require frequent pressure checks under extreme conditions
Design & Port ConfigurationBus maintenance/repairsCross-shaped body with 3 ports (red caps indicate high-pressure side)50% faster installation via color-coded ports (SAE J2243)Bulky design limits space in compact engine bays
Adjustable SetpointCustomized cooling needs±5°C adjustment range (OE-compliant) ▲ (Base model: ±3°C)Adapts to 20+ bus models (e.g., Yutong ZK6601)Advanced version requires professional tuning
CompatibilityOEM bus AC systemsOE-approved for Yutong, Falcon, Jinwei (ISO 17025 certified)Fits 80% of 8–9m bus models (per SAE J2243)Limited to specific bus brands (e.g., incompatible with non-Chinese models)

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