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Description
VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard
  • VariAS-Blocks  Standard

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.

A diverse range of options and the relevant accessories are available, please see below Mounting Bracket Kits and Accessories.

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
VariAS-Blocks - Weights and Dimensions

Standard                                                                           Lockable Valves
                                                                                          Option W   

VariAS-Blocks  Drawing (arrangement)
Flange x Thread
.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
(kg)

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
Ordering Information
BI
VariAS-Blocks  Drawing (arrangement)
MS
Further InformationAS-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 innovative design of the valve head units gives long service life and a smooth, low-torque operation. The AS-Schneider VariAS-Blocks, as standard, are rated to 420 bar (6,092 psi). AS-Schneider also provides the VariAS-Blocks for sour gas Service (acc. to NACE MR0175/MR0103 and ISO 15156), degreased and lubricated for oxygen service as well as VariAS-Blocks for fugitive emission applications.
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