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VAT Vakuumventile AG
19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES

19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES

Product catalog summary

Main Features
Large Gate Valves Series 19.0, 19.1, and 19.2 are designed for sizes ranging from DN 400 to 2000 mm (16" to 78"). They feature a pneumatic double-acting actuator and are constructed from stainless steel. The valves are equipped with VATLOCK sealing technology and are suitable for vacuum, high vacuum (HV), and ultra-high vacuum (UHV) applications, particularly in space simulation systems.

Technical Specifications
The leak rate for valve bodies in series 19.0 and 19.1 is less than 1 x 10^-9 mbar l/s, while series 19.2 is less than 5 x 10^-10 mbar l/s. The pressure range varies from 1 x 10^-7 mbar to 1 bar for series 19.0, 1 x 10^-8 mbar to 1 bar for series 19.1, and 1 x 10^-10 mbar to 1 bar for series 19.2. The valves can handle a differential pressure of up to 1 bar on the gate.

Materials and Construction
The valve body is made from AISI 304 stainless steel, with main components constructed from EN AW-6082 and AISI 304. Bellows for series 19.1 and 19.2 are made from AISI 316L or AISI 304L. The sealing materials include FKM (Viton®) for series 19.0 and 19.1, and metal for series 19.2.

Options and Custom Solutions
Various actuator options are available, including solenoid valves for impulse actuation and non-return valves. Custom flange options include ISO, ASA, ASA-LP, and JIS, with additional ports for roughing, venting, or gauges. Maintenance is simplified with a split body design for sizes DN 900 and above.

Ordering and Accessories
Standard and customized valves can be ordered with specific control voltages. A range of accessories, such as bake-out equipment and blank-off flanges, is available. Acceptance tests are conducted for large special projects, and a reference list of installations is available upon request.

Dimensions
The document provides detailed dimensions for each valve size, including flange dimensions and mounting requirements. Specific dimensions for DN 900, 1600, and 2000 are available on request.

Catalog excerpts

19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-1

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 19.0 vacuum / 19.1 HV / 19.2 UHV isolation valve for research and industrial applications requiring large DN sizes. Especially suited to space simulation systems. Damped opening and closing Differential pressure possible on either side From DN 900 with split body for convenient maintenance MAIN FEATURES Sizes Actuator Body material Feedthrough Standard flanges Sealing technology DN 400 - 2000 mm (16" - 78") pneumatic: double acting stainless steel 19.0: shaft feedthrough 19.1 / 19.2: bellows ISO-F VATLOCK (see glossary) FUNCTIONAL PRINCIPLE 1 Gate 2 Counter-plate 3 Leaf springs 4 Ball pairs 5 Ball detents 6 Gate seal 7 Spring stop V Valve seat side

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-2

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 TECHNICAL DATA Leak rate Pressure range Differential pressure on the gate Differential pressure at opening Cycles until first service Temperature 1) Heating and cooling rate Material Seal Feedthrough Mounting position Solenoid valve Position indicator: contact rating Valve position indication Valve body Actuator, position indicator Solenoid valve DN 400 - 630 DN 800 - 1250 Voltage Current any to be specified with request for offer 24 V DC, 2 W (others on request) 19.0 19.1 / 19.2 9 Maximum values: depending on operating conditions and sealing materials....

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-3

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 EASY MAINTENANCE DN 900 – 2000 with split body 1 Put valve to the open position 2 Unscrew actuator part and lift it off (flange part remains in the system) 3 Move gate assembly out of body and carry out maintenance work OPTIONS, CUSTOMIZED SOLUTIONS ACTUATOR – Solenoid valve for impulse actuation: last valve position is maintained at power failure – Solenoid valve for impulse actuation and nonreturn valve: last valve position is maintained at power failure and compressed air failure – Solenoid valve separate, for external mounting – Other solenoid...

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-4

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 Our business units are experienced in developing special requirements concerning material, stability, heaters, etc. On customer request, we can perform special test programs, bake-out and A provision of customer specific hand-over quality documentation. ACCEPTANCE TESTS are conducted for large special projects and are prepared by our engineers. REFERENCES Large VAT gate valves have proved their reliability in various large systems all over the world. Reference list available on request. SPARE PARTS We can offer a wide variety of spare parts. Please...

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-5

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 19.0 Vacuum valve with pneumatic actuator DN 400 - 800 (16" - 32") 19.0 Vacuum valve with pneumatic actuator DN 900 - 2000 (36" - 78") V Valve seat side # Required for dismantling © Compressed air connection © Electrical connection

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES-6

LARGE GATE VALVES, SERIES 19.0 / 19.1 / 19.2 V Valve seat side # Required for dismantling © Compressed air connection © Electrical connection Leak detection hole For attachment Dimensions for other flanges on request *) customer-specific

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19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES

19.0 / 19.1 / 19.2 SERIES - LARGE GATE VALVES

Catalog excerpts

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