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Description
Process Monoflanges Standard
  • Process Monoflanges Standard
  • Process Monoflanges Standard
  • Process Monoflanges Standard
  • Process Monoflanges Standard
  • Process Monoflanges Standard

Process Monoflanges

AS-Schneider Process Monoflanges (A frequently used term is also Slimline Monoflange) are designed to replace the traditional primary isolation valve and are close coupled to the process piping flange, for connecting process to instruments. The primary isolation valve needs to be of process design, therefore it's a valve with OS&Y Bolted Bonnet. The secondary isolation valve and the bleed valve are provided with screwed bonnets. The combining of piping and instrument valves into a single unit has benefitted various markets. 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 is providing axial, radial or dual outlet types for either Horizontal or Vertical Flange Mounting.

The Monoflanges are available as Block, Block & Bleed or Double Block & Bleed designs.

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.: MGB-NNELN4-SC

MG Process Monoflange, Double Block & Bleed Type
B Packing: Graphite
-
NN ASME Flange Size: 2", RF
E ASME Flange Class: 900 / 1.500
LN4 Outlet Connection: 1/2 NPT Female
-
S Material: 1.4401 / 1.4404 / 316 / 316L
C Vent Connection: 1/4 NPT Female
Process Monoflanges - Weights and Dimensions

Block                                                                Block & Bleed                            Double Block & Bleed

Process Monoflanges Drawing (arrangement)
Flange x Thread
Flange Size
(in)
Flange Class ØD (mm) Flange Face Approx. Weight
(kg)
RF x mm RTJ x mm
1/2 150 98.6 36.6 - 2.5
1/2 300 98.6 36.6 40.6 2.6
1/2 600 98.6 41.4 40.6 2.6
1/2 900 / 1,500 120.7 41.4 41.4 3.5
1/2 2,500 133.4 41.4 41.4 4.3
3/4 150 98.6 36.6 - 2.6
3/4 300 117.3 36.6 41.4 3.5
3/4 600 117.3 41.4 41.4 3.5
3/4 900 / 1,500 130.0 41.4 41.4 4.1
3/4 2,500 139.7 41.4 41.4 4.8
1 150 108.0 36.6 41.4 3.0
1 300 124.0 36.6 41.4 3.9
1 600 124.0 41.4 41.4 3.9
1 900 / 1,500 149.3 41.4 41.4 5.1
1 2,500 158.8 42.4 42.4 6.1
1 1/2 150 127.0 36.6 41.4 4.1
1 1/2 300 155.4 36.6 41.4 6.0
1 1/2 600 155.4 41.4 41.4 6.0
1 1/2 900 / 1,500 177.8 41.4 41.4 7.4
1 1/2 2,500 203.2 51.4 52.9 11.4
2 150 152.4 36.6 41.4 5.4
2 300 165.1 36.6 42.9 6.4
2 600 165.1 41.4 42.9 6.9
2 900 / 1,500 215.9 45.4 46.9 12.0
2 2,500 235.0 58.4 59.9 17.5
Ordering Information
BI
Process Monoflanges Drawing (arrangement)
MS
Further InformationAS-Schneider Process Monoflanges are designed to replace the traditional primary isolation valve and are close coupled to the process piping flange, for connecting process to instruments. The primary isolation valve needs to be of process design, therefore it's a valve with OS & Y bolted bonnet. The secondary isolation valve and the bleed valve are provided with screwed bonnets. 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 is providing axial, radial or dual outlet types for either Horizontal or Vertical Flange Mounting. The innovative design of the valve head units gives long service life and a smooth, low-torque operation. The AS-Schneider Monoflanges, as standard, are rated to 420 bar (6,092 psi). AS-Schneider also provides the Monoflanges for sour gas service (acc. to NACE MR0175/MR0103 and ISO 15156), degreased and lubricated for oxygen service as well as Monoflanges for fugitive emission applications.
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