Hover to ZoomOperating limits :
- Max Working Pressure: 6 barg
- Max Working Temperature: 150°C
Marking :
- Each SPK Sight Glass is marked with serial number for full lot traceability
Materials & Specifications:
- Tri-Clamp Connections: according to ASME BPE
- Cover Material: AISI 316L – 1.4404
- Ferrule Material: AISI 316L – 1.4404
- Clamp Material: AISI 304 – 1.4301
- Glass Material: Borosilicate Tempered
- Clamp Gasket Material: Silicone (X) Optional: EPDM (E), FKM (V), PTFE (G)
- Glass Gasket Material: PTFE (G) Optional: Silicone (X)
- Internal Surface Finish: Ra ≤ 0.5µm code 71 e.g.: SPK-100-XG-71A
| Code | Size | ØTC (mm) | OD x Thk (mm) | A (mm) | B (mm) | C (mm) | Ferrule Length (mm) | Glass OD (mm) | Glass Thk (mm) |
| SPK-100-XG-71A | 1” | 50.5 | 25.4 x 1.65 | 22.5 | 44 | 18 | 28.6 | 38.5 | 10 |
| SPK-150-XG-71A | 1 1/2” | 50.5 | 38.1 x 1.65 | 28 | 44 | 18 | 28.6 | 38.5 | 10 |
| SPK-200-XG-71A | 2” | 64 | 50.8 x 1.65 | 41 | 56 | 18 | 28.6 | 51.5 | 10 |
| SPK-250-XG-71A | 2 1/2” | 77.5 | 63.5 x 1.65 | 54.5 | 70 | 18 | 28.6 | 65 | 10 |
| SPK-300-XG-71A | 3” | 91 | 76.2 x 1.65 | 67.5 | 82.7 | 18 | 28.6 | 78 | 10 |
| SPK-400-XG-71A | 4” | 119 | 101.6 x 2.10 | 84 | 110 | 23 | 28.6 | 105 | 15 |