Product Introduction
Tips: The Compair Thermostatic valve kit has been upgraded to the third-generation sealing technology with a leakage rate of less than 0.01%.
The Compair Thermostatic Valve Kit A11175274 is a temperature control valve kit designed specifically for Compair compressors. It precisely regulates the compressor cooling system, ensuring efficient operation within a safe temperature range. Constructed from high-quality materials such as stainless steel, this kit effectively prevents overheating and optimizes energy consumption by monitoring temperature in real time and regulating the coolant flow. As an OEM standard part, it offers 100% compatibility and can directly replace damaged components, making it ideal for industrial compressor maintenance. Its compact design (weighing approximately 0.65 kg) and durable, thermally responsive components significantly extend equipment life and reduce downtime.

Product Specifications
|
Parameter category |
Technical Specifications |
Test Standards |
|
Operating temperature range |
40°C–100°C (opening and closing point 55°C) |
ISO 13846 |
|
Valve body material |
Stainless steel SS304 + copper alloy nickel plating |
ASTM E18 hardness test |
|
Seal type |
Fluororubber (FKM) |
ISO 3601 oil resistance certification |
|
Applicable oil |
Mineral oil/semi-synthetic compressor oil |
DIN 51506 |
|
Interface size |
G1/2" internal thread |
ANSI B1.20.1 |
|
Machine weight |
0.65kg |
Electronic scale weight (±0.01g) |
|
Burst pressure |
≥25bar |
EN 12266-1 |

Product Features
1.Intelligent temperature control mechanism:
Compair Thermostatic valve kit has a built-in paraffin temperature-sensitive element. When the oil temperature is lower than 55°C, the bypass circuit is closed to accelerate the system temperature rise; after over-temperature, the oil cooling cycle is automatically turned on, and the response speed is less than 15 seconds.
2.Dual protection design:
Prevents lubricating oil emulsification caused by water condensation during low-temperature operation (through rapid temperature rise), and inhibits oxidation and cementation under high-temperature conditions, extending the oil life by 200%.
3.Energy efficiency optimization technology:
Precise temperature control reduces compressor power consumption by 8%-12%, saving an average of $2,400 in electricity bills per year (taking 75kW model as an example).

Product application areas
1.Industrial manufacturing: Compair L series air compressor continuous air supply system on the automobile welding production line to meet the temperature control requirements of 24-hour continuous operation.
2.Pharmaceutical production: Sterile workshop compressed air system, constant temperature control to avoid oil vapor contamination of process gas.
3.Mining machinery: Mobile compressors operating in high dust environments to prevent low-temperature start-up oil line blockage.
4.Food packaging: PET bottle blow molding equipment air source guarantee, temperature fluctuation range controlled within ±3°C.

Product details analysis
1.Military-grade sealing technology:
The valve core and valve seat are mirror-polished by CNC machine tools (Ra≤0.8μm), and the laser-welded sealing cabin is used to completely prevent oil leakage.
2.Modular quick-install structure:
The kit contains oil pipe joints with pre-installed clamps and anti-error pins, and the replacement time is shortened from 90 minutes to 35 minutes, reducing downtime losses.

Authoritative evidence
1.User evidence:
After the British cement plant replaced A11175274, the average annual failure of the compressor dropped from 7 times to 0.5 times, and the oil filter life was extended to 4000 hours.
2.Test report:
The third-party laboratory's 100,000 start-stop tests showed that the valve flow attenuation rate was less than 3%, which is better than the ISO 4126 standard.
Service System
1.Warranty:
Provide 12-month quality assurance, and send replacements within 48 hours for faulty parts (covering 195 countries).
2.Technical Support:
Get Compair official maintenance manuals (including valve disassembly and assembly videos) for free, and support WhatsApp for real-time installation guidance.
FAQ
Q1 Can it replace non-Compair brand compressors?
Only Compair specified models are available. Using across brands may cause oil circuit blockage. Please check the model label before installation.
Q2 Is the 55°C temperature control point adjustable?
The standard kit is fixed at 55°C. If you need a 40°C or 75°C version, you need to order the special model A11175374 or A11511974.
Q3 Is the oil temperature abnormally high after replacement?
Please follow the three steps to troubleshoot:
① Check that the direction of the arrow on the valve body is consistent with the direction of oil flow;
② Clean the blockage of the cooler fins;
③ Use Compair original lubricating oil (counterfeit oil can easily cause valve core jamming).
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