NT W/NM-4 is a mechanical sealing arrangement designed for APV W series pumps equipped with an additional flushing seal.
This configuration incorporates a primary mechanical seal and an auxiliary sealing element for operation with an external flushing system. It is suitable for applications where flushing is required to help maintain reliable sealing conditions.
Available in 25 mm and 35 mm shaft sizes, the seal can be supplied with Carbon/Silicon Carbide or Silicon Carbide/Silicon Carbide sealing faces and EPDM, NBR or FKM elastomers.
Technical specifications
- Shaft sizes: 25 mm, 35 mm
- Seal type: Conical spring mechanical seal
- Configuration: With auxiliary flushing seal
- Seal faces: Carbon/SiC, SiC/SiC
- Elastomers: EPDM, NBR, FKM
- Suitable for pumps: APV W series
- Replacement reference: AESSEAL T0WD / T0WDU