AS-Schneider Angle Needle Valve Type S 360 is available with a lot of options. This valve type is providing, as standard, internal stem thread, an integral valve seat and a non-rotating needle tip. The valve body is die-forged. Bore Size: 0.315" (8 mm)
 Datasheet |
AS-Schneider Bolted Bonnet Needle Valve Type A2 is available with a lot of options. Following design features characterize the A1 valve: External Stem Thread, Valve Stem with cold rolled threads, Non-rotating Needle and back seat design and an Integral Valve Seat. Bore Size: 0.787" (20 mm)
| Datasheet |
AS-Schneider Needle Valve Type S338 is available with a lot of options. This valve type is providing, as standard, internal stem thread, an integral valve seat and a non-rotating needle tip. Bore Size: 0.236" (6 mm)
| Datasheet |
AS-Schneider Needle Valve Type S 350 is available with a lot of options. This valve type is providing bonnets with internal stem thread, external stem thread and bellows sealed options. The valve seat is replaceable and the valve stem is provided with a cold rolled surface, back seat and a non-rotating needle tip. The valve body is die-forged. Bore Size: 0.315" (8 mm)
| Datasheet |
AS-Schneider Needle Valve Type S340 is available with a lot of options. This valve type is providing bonnets with external stem thread and is normally supplied as primary isolation valve. The valve seat is replaceable and the valve stem is provided with a cold rolled surface, back seat and a non-rotating needle tip. The valve body is die-forged. The valve is provided, as standard, with weld ends. Bore Size: 0.315" (8 mm)
| Datasheet |
AS-Schneider Soft Seated Hand Valves are available with a lot of options. HA Type Hand Valves are bi-directional. HX Type Hand Valves also, but the inlet is defined by the extension. Bore Size: 1/4" (6.35 mm) The valves are fully roddable due to the Cone Design Valve Seat.
| Datasheet |
AS-Schneider Union Bonnet Needle Valve Type A1 is available with a lot of options. The valve is designed for severe service. Following design features characterize the A1 valve: External Stem Thread, Valve Stem with cold rolled threads, Non-rotating Needle and back seat design and an Integral Valve Seat. Bore Size: 0.433" (11 mm)
| Datasheet |
AS-Schneider Union Bonnet Tandem Valve Type B1 is available with a lot of options. The valve is designed for severe service. Following design features characterize the A1 valve: External Stem Thread, Valve Stem with cold rolled threads, Non-rotating Needle and back seat design and an Integral Valve Seat. Bore Size: 0.315" (8 mm)
| Datasheet |
AS-Schneider Welded Bonnet Needle Valve Type A4 is available with a lot of options. This valve type is providing an Extended Bonnet to dissipate heat and to lower heat at the packing and the stem threads and is normally supplied as primary isolation valve. Following design features characterize the A4 valve: External Stem Thread, Valve Stem with cold rolled threads, Non-rotating Needle and back seat design and an Integral Valve Seat. Bore Size: 0.394" (10 mm)
| Datasheet |
AS-Schneider Y-Pattern Needle Valve Type S371 is available with a lot of options. This valve type is providing, as standard, external stem thread, an integral valve seat and a stem with cold rolled surface, back seat and non-rotating needle tip. The Y-Pattern Needle Valve has a Straight-Through Design and is fully roddable. The valve body is die-forged. Standard Packing: Graphite Bore Size: 0.315" (8 m)
| Datasheet |
Shut-Off Valves by Armaturenfabrik Franz Schneider GmbH + Co. KG
Shut-off valves from Armaturenfabrik Franz Schneider GmbH + Co. KG are high-quality components designed to control and isolate process and measurement lines. They are used to stop the flow of media, separate sections of a system for maintenance or testing, or isolate measurement points without interrupting the rest of the process. Shut-off valves are widely used in pressure measurement applications and industrial process systems.
These valves feature robust construction, precise function and high sealing performance, making them ideal for demanding industrial environments. Depending on the configuration, they can be standard shut-off valves, valves with integrated test ports, or combined with additional functional options.
Frequently Asked Questions about Shut-Off Valves
What is a shut-off valve?
A shut-off valve is a valve that can open or close to control the flow of a medium in a pipe or measurement line.
Where are shut-off valves used?
They are used to isolate sections of a process or measurement line for maintenance, calibration or process safety purposes.
What are the benefits of a shut-off valve?
Shut-off valves provide reliable isolation, help reduce leakage and enable safe maintenance activities.
How does a shut-off valve work?
By moving the valve element (such as a disc or gate) via manual or mechanical actuation, the valve opens or closes the flow path.
What designs of shut-off valves exist?
Shut-off valves are available in various designs, such as hand lever operated, wheel handle operated, or valves with integrated test ports.
Are shut-off valves suitable for high pressure?
Yes, shut-off valves in this range are designed for typical industrial pressure applications and deliver reliable performance under load.
Which materials are used?
Common materials include stainless steel, carbon steel and brass, selected for strength and corrosion resistance.
Which media can shut-off valves handle?
Depending on materials and seals, they can handle both gaseous and liquid media.
How do shut-off valves support maintenance?
They enable safe isolation of lines so that maintenance work can be carried out without pressure in the line.
Can a test port be integrated?
Certain shut-off valve designs include a separate test port for direct calibration or connection of test instruments.
How is tightness ensured?
Sealing systems and valve design ensure that the valve remains leak-tight when closed.
How is a shut-off valve operated?
Valve actuation is typically manual via a handle or wheel, although mechanical or automated actuation options may also be available.
Can shut-off valves be retrofitted?
Yes, they can be installed in existing systems if connection standards and space requirements are met.
How do I choose the right shut-off valve?
Consider operating pressure, medium, connection type and actuation method to select the appropriate valve.
Are shut-off valves maintenance-intensive?
They are generally low maintenance, but periodic inspection of sealing and functional condition is advisable.