VL-501B-M
| Nominal size | DN10 to DN100 1/4" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Face-to-face length | according to DIN 3202-S13 (old) according to DIN EN 12982-ETE67 (new) |
| Connection | Butt-weld ends - Abbr. "BW-ends" - according to DIN EN 12627 |
| Design | - manually operated - 3-piece modular design (modular system) - 2-flat shift shaft - Hand lever with plastic sleeve |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |
VL(A)-521B
| Nominal size | DN8 to DN100 1/4" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Face-to-face length | according to DIN 3202-S13 (old) according to DIN EN 12982-ETE67 (new) |
| Connection | Butt-weld ends - according to DIN EN 12627 - Abbrev. "BW" ends |
| Design | - ISO-Top mounting flange according to ISO 5211 - Antistatic design - 4-sided shift shaft - 3-piece modular design (building block system) |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |
VL-521B-ISO-M (FDA)
| Nominal size | DN8 to DN100 1/4" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Material | Stainless steel 1.4408 (CF8M) |
| Connection | Butt-weld ends - Contour according to DIN EN ISO 1127 |
| Design | - ISO-Top mounting flange according to ISO 5211 - 4-sided shift shaft - 3-piece modular design (building block system) - Stainless steel reinforced PTFE seals (PTFE-SS-FDA) - FDA approval |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |
| Product code New | VL-521B-ISO-C-PS-F-N-M |
| Description Old | VL-521B-ISO-SS-M |
Copy of VL-521B-ISO-M (FDA)
| Nominal size | DN8 to DN100 1/4" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Material | Stainless steel 1.4408 (CF8M) |
| Connection | Butt-weld ends - Contour according to DIN EN ISO 1127 |
| Design | - ISO-Top mounting flange according to ISO 5211 - 4-sided shift shaft - 3-piece modular design (building block system) - Stainless steel reinforced PTFE seals (PTFE-SS-FDA) - FDA approval |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |
| Product code New | VL-521B-ISO-C-PS-F-N-M |
| Description Old | VL-521B-ISO-SS-M |
VL-501BL-M
| Nominal size | DN12 to DN100 3/8" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Connection | Butt-weld ends - extra-long version |
| Design | - manually operated - 3-piece modular design (modular system) - 2-flat shift shaft - Hand lever with plastic sleeve |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |
VL-521BL
| Nominal size | DN12 to DN100 3/8" to 4" |
| Nominal pressure | PN63 |
| Port | full bore |
| Connection | Butt-weld ends - extra-long version |
| Design | - ISO-Top mounting flange according to ISO 5211 - 4-sided shift shaft - 3-piece modular design (building block system) |
| Temp. range | -10°C to +200°C (Note pressure / temperature diagram) |