Product Overview
The Novatek 28NS505 is the valve seat O-ring (item #5), sold as a pack of 10. Novatek’s product page calls it the valve stem O-ring. It fits all Novatek scaler valve assemblies and is also part of the complete valve body assembly 28NS506.
Compatibility
- Novatek 12 and 19 InLine Needle and Chisel Scalers
- Novatek 19PG Needle and Chisel Scalers
- Novatek 28PG Needle Scaler (28NS120)
- Novatek 28PG Chisel Scaler, 1/2″ square (28CS120)
- Novatek 28PG Chisel Scaler, 5/8″ hex (28CS130)
- Novatek 35 Offset Needle and Chisel Scalers
- Novatek Long Reach scalers: 2ft Steel, 4ft LITE, 5ft Steel, 5ft LITE and 6ft Steel ERGO
- Novatek 28PG VSE Shrouded Needle Scaler (28NSVSE120) and 19PG VSE Shrouded Needle Scaler
- Novatek VRS 19 Inline, VRS 19PG and VRS 28PG scalers
Part Details
| Detail | Value |
|---|---|
| Manufacturer | Novatek |
| Part number | 28NS505 |
| Item | #5 Valve Seat ‘O’ Ring |
| Pack quantity | 10 |
About Novatek
Novatek Corporation has manufactured heavy-duty surface preparation and air filtration equipment since 1997. Its range runs from needle scalers, scaling hammers and chisel scalers up to large floor equipment, and it is sold and supported through a global network of trained, authorized distributors.

