With your consent, we analyze the use of our website with tracking technologies and cookies in order to optimize the website and improve it continuously. The consent is voluntary and can be revoked at any time. Further information can be found in our privacy policy.
English
Contact
Description
Instrument Monoflanges Standard
  • Instrument Monoflanges Standard
  • Instrument Monoflanges Standard
  • Instrument Monoflanges Standard
  • Instrument Monoflanges Standard
  • Instrument Monoflanges Standard

Instrument Monoflanges

AS-Schneider Instrument Monoflanges are close coupled to a pre-installed primary isolation valve to provide a compact instrument Double Block and Bleed Valve or are used when primary isolation valves with an OS & Y Bolted Bonnet are not required. The needle valves of the Instrument Monoflanges are provided with a screwed bonnet. The Standard Pressure Instrument Connection is 1/2 NPT female, the Standard Process Connections are provided by 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.: MNA-NDALN4-SC

MN Instrument Monoflange, Block & Bleed Type
A Packing: PTFE
-
ND ASME Flange Size: 3/4", RF
A ASME Flange Class: 150
LN4 Outlet Connection: 1/2 NPT Female
-
S Material: 1.4401 / 1.4404 / 316 / 316L
C Vent Connection: 1/4 NPT Female
Instrument Monoflanges - Weights and Dimensions

Block                                                         Block & Bleed                                  Double Block & Bleed

BI
Instrument Monoflanges Drawing (arrangement)
Flange x ThreadMS
Flange Size
(in)
Flange Class ØD (mm) Flange Face Approx. Weight
(kg)
RF x mm RTJ x mm
1/2 150 88.9 33.6 - 1.6
1/2 300 95.3 33.6 37.6 2.0
1/2 600 95.3 38.4 37.6 2.0
1/2 900 / 1,500 120.7 38.4 38.4 2.9
1/2 2,500 133.4 38.4 38.4 3.7
3/4 150 98.6 33.6 - 2.0
3/4 300 117.3 33.6 38.4 2.9
3/4 600 117.3 38.4 38.4 2.9
3/4 900 / 1,500 130.0 38.4 38.4 3.5
3/4 2,500 139.7 39.4 39.4 4.2
1 150 108.0 36.6 38.4 2.6
1 300 124.0 36.6 38.4 3.3
1 600 124.0 38.4 38.4 3.3
1 900 / 1,500 149.3 38.4 38.4 6.8
1 2,500 158.8 42.4 42.4 5.7
1 1/2 150 127.0 36.6 38.4 3.8
1 1/2 300 155.4 36.6 38.4 5.3
1 1/2 600 155.4 38.4 38.4 5.3
1 1/2 900 / 1,500 177.8 39.4 39.4 6.8
1 1/2 2,500 203.2 51.4 52.9 11.5
2 150 152.4 36.6 38.4 5.1
2 300 165.1 36.6 39.9 5.7
2 600 165.1 38.4 39.9 6.2
2 900 / 1,500 215.9 45.4 46.9 11.6
2 2,500 235.0 58.4 59.9 17.0
Ordering Information
Instrument Monoflanges Drawing (arrangement)
Further InformationAS-Schneider Instrument Monoflanges are close coupled to a pre-installed primary isolation valve to provide a compact instrument block and bleed valve or are used when primary isolation valves with an OS & Y bolted bonnet are not required. The Needle Valves of the Instrument Monoflanges are provided with a screwed bonnet. The Standard Pressure Instrument Connection is 1/2 NPT female, the Standard Process Connections are provided by 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.
Copyright © 2015 Armaturenfabrik Franz Schneider GmbH + Co. KG. All rights reserved.