Product Introduction
1/2 × 3/4 × 16 × 10 Dental Air Compressor Check Valve
Zinc-Alloy and Brass Three-Way One-Way Valve for Dental Air Systems
One-Way Control Between Pump and Air Tank
This three-way check valve is installed between an oil-free dental compressor pump and its air-storage tank. It allows compressed air to move toward the tank while limiting reverse flow toward the pump. The side port provides a connection point for an unloader tube or pressure-switch line.
The valve combines a main tank-side connection with a Φ16 exhaust connection and a Φ10 unloader port in one compact body. Confirm the port standards, tube sizes and available installation clearance before ordering.
Technical Profiles & Materials
Three-Way Port Layout
The main port is listed as 1/2 inch G1/2 male thread with 3/4 inch adaptation. The exhaust side is specified as a Φ16.0mm M16×1.5 tube connection, while the small side port is specified as Φ10.0mm with an M10×1.0 thread interface.
Zinc-Alloy Body and Brass Core
The valve uses a high-strength zinc-alloy body with brass internal and threaded components. The passivated or plated surface is intended for corrosion resistance in clean compressed-air and dental-equipment environments.
Spring-Loaded Check Element
A brass guide piston, FKM/NBR sealing pad and SUS304 stainless-steel spring form the internal check assembly. The valve is designed for single-direction air control; the internal parts are not visible in the supplied product image and are described from the specification data.
Technical Specifications
| ITEM | DETAILS |
| Type | 1/2 × 3/4 × 16 × 10 Dental Air Compressor Check Valve |
| Application | Oil-free dental air compressors, air-storage tanks and precision pneumatic systems |
| Code | 1401320 |
| Material | High-strength zinc alloy body with brass core and fittings; SUS304 spring; FKM/NBR sealing pad |
| Details explanation | G1/2 male main thread with 3/4 inch adaptation; Φ16.0mm M16×1.5 exhaust tube port; Φ10.0mm M10×1.0 unloader port; single-direction air control; threaded inline installation |
| Brand Name | SeaSummer |
| Operating Temp | -20°C to +100°C |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
Dental Compressor Pump Installation
Install the valve in the line between the oil-free dental compressor pump and the clean-air tank. Match the main thread and exhaust tube connection before tightening the assembly.
Air-Tank Backflow Control
The one-way path helps limit reverse air movement when the pump stops. Check the airflow direction and the tank-side connection during replacement or service.
Unloader Tube Inspection
Use the small side port for the pressure-switch or unloader tube connection listed for the assembly. Inspect this port and its tube interface during maintenance, especially when the pump does not unload correctly after stopping.
Quality and Craftsmanship Details
Products Package
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FAQ
Q: What type of valve is this?
A:It is a three-way one-way check valve for the line between an oil-free dental compressor pump and an air-storage tank.
Q: What are the three connection points?
A: The listed connections are a G1/2 male main port with 3/4 inch adaptation, a Φ16.0mm M16×1.5 exhaust port and a Φ10.0mm M10×1.0 unloader port.
Q: What pressure and temperature are listed?
A:Working pressure is 6.0–8.0bar, maximum pressure is 10.0bar, proof pressure is 1.6MPa, and the listed working temperature is -20°C to +100°C.
Q: What should be checked before ordering?
A: Confirm all three port standards, tube diameters, airflow direction, available clearance, pressure, temperature, quantity and destination.
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