







🛠️ Keep your cool with precision-engineered valve cores that professionals trust!
This pack of 50 brass valve cores with Teflon seals is designed for high-pressure HVAC and refrigeration systems, meeting AHRI-720 standards. Compatible with R410, R32, and R22 refrigerants, it offers durable, leak-proof performance ideal for both commercial and residential applications.





| Material | Brass, Rubber | 
| Brand | ST shengtuo | 
| Exterior Finish | Brass | 
| Inlet Connection Type | NPT | 
| Outlet Connection Type | NPT | 
| Number of Ports | 1 | 
| Specification Met | AHRI-720 | 
| Valve Type | Valve Core | 
| Manufacturer | ST shengtuo | 
| Model | 50PCS Valve Core R22,R410,R32 | 
| Item Weight | 1.13 ounces | 
| Package Dimensions | 5 x 3.27 x 0.28 inches | 
| Country of Origin | China | 
| Item model number | 50PCS Valve Core R22,R410,R32 | 
| Manufacturer Part Number | ST00203 | 
N**Z
Great product
All was good.
C**U
Easy to use and good price
Easy to use, good price and quality.
H**N
Gooooooood
Real good quality, love it.
R**O
La calidad
Excelente producto buena calidad y buen precio
M**N
This is all I use….t
This i
C**T
good
Did exactly what I needed
Z**I
Good quality
Good quality
J**N
A good valve core
Good quality and cheerful
Trustpilot
2 weeks ago
2 weeks ago