1/4″ HV Metal Bellows Valve, Female
High Vacuum Valve
Face Seal, Female, VCR Compatible · Tritium compatible all metal, INOX Tip
Face seal products ¼" – 1.5"
High vacuum, built for tritium
High vacuum technology creates and maintains gas-free spaces. We build the components for the most demanding case: handling hydrogen isotopes safely, cleanly and for a long service life.
The difference
Designed for precious and hazardous gases
We designed our products specifically for tritium and other valuable or dangerous media, building on decades of practical gas handling. Where existing technology was good enough we tuned it; where it was not, we developed new tools.
Safety
Hermetically sealed metal bellows, no rotary seals to the environment.
Material
Tritium-compatible materials throughout, tested beyond the required standards.
Operation
Manual, lockable or pneumatically actuated — ready for remote operation and automation.
Lifespan
Long service intervals, fewer replacements, less contaminated waste.
Construction
What is inside a smolsys valve
Valve dual seal technology
Our valves consist of valve base and a screwed valve body (upper part), connected by a copper seal (1). Besides the copper seal*, all valve parts are made from high-grade stainless steel.
The stem (2) contains a metal bellow (2.1) that allows the sphere (smolball) (2.2) to close the valve, by pressing into the valve seat. This metal bellow is very durable, but a part that is elastically deformed by the valves open-close operation.
Even the valves are tested to withstand very high opening-closing cycles, it is possible, that the metal bellow, being the weakest part of the valve, can break at some point. This would result in a leak between the stem and the hand wheel (3), where atmospheric pressure may flow in, or compressed gas may escape the valve.
This unlikely, but potentially severe occurance is addressed in our valves by a set of O-rings (4) that seal the valve stem towards the hand wheel (5). Tests have shown that these additional seals are capable of keeping the vacuum tight, even when an unlikely break of the main barrier, the metal bellow should occur. Tritium could be likely monitored on a low level, allowing to determine a broken bellow.
* Stainless steel seal or welded valves on request
Product overview
Standard products
Our off-the-shelf range. Prices and availability on request — tell us the article number and quantity, and you will get a written quote. If you do not find what you need, we build it: custom products and complete solutions are part of what we do.
¼ inch
1/4″ HV Valve including pneumatic actuator (normally closed, NC)
High Vacuum Valve 1/4″ including pneumatic actuator for HV Valve Series 1/4″, Normally Closed (NC), non ATEX
Actuated High Vacuum Valve, 1/4 Inch · Metal Bellows, all Stainless Steel, internal copper sealed
Rail 500mm for 1/4 and 1/2 inch smolsys rail blocks
Rail for all 1/4 and 1/2 inch blocks for smolsys valves
Rail for smolsys 1/4 and 1/2 inch valve blocks · Aluminium anodized
Art. 2212.1502.CF, 2212.1503.CF
Rail block for 1/4 smolsys valves
Rail Block for all 1/4 inch smolsys valves
Rail Block for 1/4 inch valves · Aluminium anodized
Art. 2201.0401.CF
½ inch
1/2″ HV Metal Bellows Valve, Female
High Vacuum Valve
Manual High Vacuum Valve · 1/2 inch face seal, female
1/2″ HV Valve including pneumatic actuator (normally closed, NC)
High Vacuum Valve 1/2″ including pneumatic actuator for HV Valve Series 1/2″, Normally Closed (NC)
Actuated High Vacuum Valve, 1/2 Inch · Metal Bellows, all Stainless Steel, internal copper sealed
1/2″ HV Valve including pneumatic actuator (normally open, NO)
High Vacuum Valve 1/2″ including pneumatic actuator for HV Valve Series 1/2″, Normally Closed (NC)
Actuated High Vacuum Valve, 1/2 Inch · Metal Bellows, all Stainless Steel, internal copper sealed
1/2″ HV ATEX Valve including pneumatic actuator (normally closed, NC)
ATEX High Vacuum Valve 1/2″ including pneumatic actuator for HV Valve Series 1/2″, Normally Closed (NC)
Actuated High Vacuum Valve, 1/2 Inch · Metal Bellows, all Stainless Steel, internal copper sealed
1/2″ HV lokable handwheel
Lockable handwheel for 1/2 inch valve
lockable handwheel for · Manual High Vacuum Valve
Rail block for 1/2 smolsys valves
Rail Block for all 1/4 inch smolsys valves
Rail Block for 1/2 inch valves · Aluminium anodized blue
Art. 22.1504.CF, 22.1505.CF, 2212.1503.CF
1 inch
1″ HV Metal Bellows Valve, Female
High Vacuum Valve
Manual High Vacuum Valve · 1 inch face seal, female
1″ HV Valve including pneumatic actuator (normally closed, NC)
High Vacuum Valve 1″ including pneumatic actuator for HV Valve Series 1″, Normally Closed (NC)
Actuated High Vacuum Valve, 1Inch · Metal Bellows, all Stainless Steel, internal copper sealed
1.5 inch
1.5″ HV Metal Bellows Valve, Female
High Vacuum Valve
Manual High Vacuum Valve · 1.5 inch face seal, female · on request
1.5″ HV Valve including pneumatic actuator (normally closed, NC)
High Vacuum Valve 1.5″ including pneumatic actuator for HV Valve Series 1.5″, Normally Closed (NC)
Actuated High Vacuum Valve, 1.5 Inch · Metal Bellows, all Stainless Steel, internal copper sealed · on request
Your request
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Sizes
Four sizes, one system
Face seal products from ¼ to 1.5 inch. Components of different sizes combine into complete assemblies on a common rail.
¼ inch
Valves, bellows valves, rail blocks
½ inch
Widest range, incl. ATEX and lockable handwheel
1 inch
Bellows valves and pneumatic actuators
1.5 inch
Largest size, on request
For more information
Need a component, an assembly or something that does not exist yet?
Send us the article numbers for a quote, or describe your application — we also design custom products and complete gas handling systems.
smolsys ltd.
Platz 46039 Root D4
Switzerland +41 41 510 87 50 info@smolsys.com LinkedIn