VariAS-Blocks
Flange x Thread
AS-Schneider VariAS-Blocks are designed to replace conventional, multiple-valve installations and are close coupled to the process piping flange, for connecting process to instruments. The primary isolation valve needs to be of process design. Primary and Secondary Isolation Valve are, as standard, ball type valves with floating ball, the bleed valve can be provided as needle type valve with screwed bonnet as well as ball type valve with a 3-way T-Port ball. The Standard Pressure Instrument Connection is 1/2 NPT female, the Standard Process Connections are provided with Flange Connections acc. to ASME B 16.5. AS-Schneider VariAS-Blocks are provided with an axial outlet and normally used for Vertical Installations (Vertical Tap).
The VariAS-Blocks are available as Single Block & Bleed or Double Block & Bleed designs. Options like Sampling and Injection Applications are also available. The VariAS-Blocks are available with Bore Size 10, 14 and 20 mm.
Connections, materials, valve head unit designs and further options are available, please see below Ordering Information or more detailed under:
General InformationExample for a typical product acc. to the below mentioned Ordering Information:Part No.: DB2-NACLN4-SF
| DB | VariAS-Block, Double Block & Bleed Type, Bore Size 10 mm |
| 2 | Packing and Body Seals / Ball Seat: Graphite / reinforced PTFE |
| - | |
| NA | ASME Flange Size: 1/2", RF |
| C | ASME Flange Class: 600 |
| LN4 | Outlet Connection: 1/2 NPT Female |
| - | |
| S | Material: 1.4401 / 1.4404 / 316 / 316L |
| F | Vent Connection: 1/2 NPT Female plugged |
Standard Lockable Valves
Option W
| .Flange Size (in) |
Flange Class | ØD (mm) | Bore Size 10 mm (0.39'') | Bore Size 14 mm (0.55'') | Bore Size 20 mm (0.79'') | ||||||
| Flange Face | Approx. Weight (kg) |
Flange Face |
Approx. Weight |
Flange Face | Approx. Weight (kg) |
||||||
| RF L (mm) | RTJ L (mm) | RF L (mm) | RTJ L (mm) | RF L (mm) | RTJ L (mm) | ||||||
| 1/2 | 150 | 88.9 | 187.2 | - | 3 | - | - | - | - | - | - |
| 1/2 | 300 | 95.3 | 187.2 | 191.2 | 3 | - | - | - | - | - | - |
| 1/2 | 600 | 95.3 | 192.0 | 191.2 | 3 | - | - | - | - | - | - |
| 1/2 | 900 / 1,500 | 120.6 | 192.0 | 192.0 | 4 | - | - | - | - | - | - |
| 1/2 | 2,500 | 133.4 | 192.0 | 192.0 | 5 | - | - | - | - | - | - |
| 3/4 | 150 | 98.6 | 187.2 | - | 3 | 192.5 | - | 5 | - | - | - |
| 3/4 | 300 | 117.3 | 187.2 | 192.0 | 4 | 192.5 | 208.5 | 5 | - | - | - |
| 3/4 | 600 | 117.3 | 192.0 | 192.0 | 4 | 208.5 | 208.5 | 6 | - | - | - |
| 3/4 | 900 / 1,500 | 130.0 | 192.0 | 192.0 | 5 | 227.5 | 227.5 | 7 | - | - | - |
| 3/4 | 2,500 | 139.7 | 208.0 | 208.0 | 6 | 227.5 | 227.5 | 8 | - | - | - |
| 1 | 150 | 108.0 | 192.0 | 192.0 | 4 | 192.5 | 192.5 | 5 | 207.0 | - | 8 |
| 1 | 300 | 124.0 | 192.0 | 192.0 | 4 | 192.5 | 208.5 | 6 | 207.0 | 207.0 | 8 |
| 1 | 600 | 124.0 | 192.0 | 192.0 | 4 | 208.5 | 208.5 | 6 | 207.0 | 207.0 | 8 |
| 1 | 900 / 1,500 | 149.3 | 208.0 | 208.0 | 6 | 227.5 | 227.5 | 8 | 242.0 | 242.0 | 11 |
| 1 | 2,500 | 158.8 | 208.0 | 208.0 | 8 | 227.5 | 227.5 | 10 | 242.0 | 242.0 | 12 |
| 1 1/2 | 150 | 127.0 | 192.0 | 192.0 | 5 | 192.5 | 192.5 | 6 | 207.0 | 207.0 | 9 |
| 1 1/2 | 300 | 155.4 | 208.0 | 208.0 | 6 | 208.5 | 208.5 | 8 | 207.0 | 207.0 | 10 |
| 1 1/2 | 600 | 155.5 | 208.0 | 208.0 | 7 | 208.5 | 208.5 | 8 | 223.0 | 223.0 | 10 |
| 1 1/2 | 900 / 1,500 | 177.8 | 208.0 | 208.0 | 9 | 208.5 | 208.5 | 10 | 223.0 | 223.0 | 13 |
| 1 1/2 | 2,500 | 203.2 | 224.0 | 224.0 | 15 | 227.5 | 227.5 | 15 | 242.0 | 242.0 | 18 |
| 2 | 150 | 152.4 | 208.0 | 208.0 | 6 | 208.5 | 208.5 | 8 | 207.0 | 207.0 | 10 |
| 2 | 300 | 165.1 | 209.5 | 209.5 | 7 | 208.5 | 208.5 | 8 | 207.0 | 207.0 | 11 |
| 2 | 600 | 165.1 | 209.5 | 209.5 | 8 | 208.5 | 208.5 | 9 | 207.0 | 207.0 | 11 |
| 2 | 900 / 1,500 | 215.9 | 224.0 | 224.0 | 15 | 227.5 | 227.5 | 16 | 223.0 | 223.0 | 17 |
| 2 | 2,500 | 235.0 | 224.0 | 224.0 | 21 | 227.5 | 227.5 | 21 | 242.0 | 242.0 | 23 |
| 2 1/2 | 150 | 177.8 | - | - | - | - | - | - | 207.0 | 207.0 | 12 |
| 2 1/2 | 300 | 190.8 | - | - | - | - | - | - | 207.0 | 207.0 | 13 |
| 2 1/2 | 600 | 190.5 | - | - | - | - | - | - | 207.0 | 207.0 | 13 |
| 2 1/2 | 900 / 1,500 | 244.5 | - | - | - | - | - | - | 242.0 | 242.0 | 23 |
| 2 1/2 | 2,500 | 266.7 | - | - | - | - | - | - | 284.0 | 284.0 | 32 |
| 3 | 150 | 190.5 | - | - | - | - | - | - | 207.0 | 207.0 | 13 |
| 3 | 300 | 209.5 | - | - | - | - | - | - | 207.0 | 207.0 | 15 |
| 3 | 600 | 209.5 | - | - | - | - | - | - | 223.0 | 223.0 | 17 |
| 3 | 900 | 241,3 | - | - | - | - | - | - | 242.0 | 242.0 | 20 |
| 3 | 1,500 | 266,7 | - | - | - | - | - | - | 242.0 | 242.0 | 28 |
| 3 | 2,500 | 304.8 | - | - | - | - | - | - | 284.0 | 284.0 | 45 |
