Monoflanges and VariAS-Blocks
General Features
Body Material Options
AS Material
Short Name Equivalent
Material Grade
acc. to ASTM
Carbon Steel A105 A105 Optional
Carbon Steel LF2 LF2 Optional
Austenitic Stainless Steel 316 quadruple
1.4401 X5CrNiMo17-12-2 S 31600 316 Standard
Austenitic Stainless Steel 316 quadruple
1.4404 X2CrNiMo17-12-2 S 31603 316L Standard
Austenitic Stainless Steel 6Mo 1.4547 X1CrNiMoCuN20-18-7 S 31254 Standard
Stainless Steel
Duplex 1.4462 X2CrNiMoN22-5-3 S 31803 F51 Standard
Stainless Steel
Superduplex 1.4410 X2CrNiMoN25.7.4 S 32750 F53 Standard
Stainless Steel
Superduplex 1.4501 X2DrNiMoCuWn25.7.4 S 32760 F55 Optional
Nickel Based Alloys Alloy 400 2.4360 NiCu3QFe N 04400 Standard
Nickel Based Alloys Alloy C-276 2.4819 NiMo16Cr15W N 10276 Standard
Nickel Based Alloys Alloy 625 2.4856 NiCrM22Mo9Nb N 06625 Standard
Nickel Based Alloys Alloy 825 2.4858 NiCr21Mo N 08825 Optional

* Quadruple Certified means 316 / 316L / 1.4401 / 1.4404

Standard Features

  • Bore Size 5 mm (0.197")
  • ASME B16.5 Flange Connections
    Flange Size 1/2" to 3" (DN15 to DN80)
    Flange Class 150 to 2,500
  • Outlet Connection 1/2 NPT Female
  • Vent Connection 1/4 NPT Female
  • Vent Valve with Anti-Tamper Head Unit incl. AT-Key
  • Fire Safe Tested according to ISO 10497 / API 607 – OS&Y

Needle Seal:
PTFE and Graphite Packings are available for all valve types.

Sour Gas Service:
Wetted parts according to a.m. material list are supplied as standard according to NACEMR0175/MR0103 and ISO 15156 (latest issue).

Pressure Test:
A shell test and a seat leakage test are performed at 1.5 times the max. allowable (working) pressure acc. to EN 12266-1 – P10, P11 and P12 respectively MSS-SP61 (and complies also with ASME B31.1 and B31.3) at every standard AS-Schneider Monoflange → 100% Pressure Tested!

Certified Mill Test Report (CMRT) as inspection certificate 3.1 acc. to EN 10 204 for valve body material and pressure test available on request.

The manifolds can be provided by default with a

  • CRN Certificate
  • EAC Certificate - Manifolds are marked with EAC
Optional Features
  • API Flange Connections (up to 689 bar [10,000 psi])
  • EN 1092-1 Flange Connections
  • Needle Seal with FKM O-Ring and Bellows Sealed Head Units
  • Choices of Needle Tip Materials such as Stellite and Soft Tips
  • Swivel Gauge Connections – Integral Type and as Accessory
  • Pressure Tested according to API 598

Fugitive Emission Application:
For Fugitive Emission Applications AS-Schneider is providing TA-Luft and ISO 15848 solutions.

Oxygen Service:
AS-Schneider offers an option with Reinforced PTFE Packing cleaned and lubricated for Oxygen Service:

Pressure-Temperature Rating:
Max. 420 bar (6,092 psi) @ 60°C (140°F)
Max. 200°C (392°F) @ 90 bar (1,305 psi)

Not every Valve Type is available for Oxygen Service!

If you don't find your options, please contact the factory.

Starting from 1 1/2''
Class 900 / 1,500
the Valve Head Units
are 45° angled for
convenient operation!

Copyright © 2015 Armaturenfabrik Franz Schneider GmbH + Co. KG. All rights reserved.