PV-B04 — Teflon Bellow Mechanical Seal
PTFE-bellows sealing for corrosive chemical service. Tell us your equipment and operating conditions and we confirm the fit before quoting.
PV-B04 • Engineering Reference
Overview
Teflon Bellow Mechanical Seal in the bellows seals family, part of the PV-B03 / PV-B04 series. PTFE-bellows sealing for corrosive chemical service. The figures on this page are the standard published range for the series — final face materials, elastomers and working length are set from your application data.
Specifications
| Model | PV-B04 |
|---|---|
| Type | Teflon Bellow Mechanical Seal |
| Family | Bellows seals |
| Series | PV-B03 / PV-B04 |
Materials
| Seal faces | Ceramic paired with PTFE-bellows, carbon, or silicon carbide, depending on variant |
|---|---|
| Secondary seals | PTFE bellows |
| Metal components | SS316, SS304, Hastelloy-C (spring: Hastelloy-C) |
Operating limits
| Shaft diameter | 0.75" – 4.0" |
|---|---|
| Pressure | 6 bar (max) |
| Temperature | -45 to +120°C |
| Sliding velocity | 20 m/s |
Standard published range for this series. We confirm the exact limit for your equipment in technical review.
Design and characteristics
- Single acting
- Outside mounted
- Works in either shaft rotation
Applications
Drawings and downloads
| Dimensional drawing | Available once your order is confirmed |
|---|---|
| Datasheet (PDF) | Datasheet (PDF) PDF, opens in a new tab |
Cross-reference
No verified cross-references to other brands are published for PV-B04 yet. Send the manufacturer and part number of your existing seal and we look for a potential replacement, then verify it in technical review.