AMAT 0190-22670 | Nor-Cal Pneumatic Vacuum Angle Valve

Description

• Brand: Applied Materials (AMAT) / Nor-Cal Products
• Full Model Number: 0190-22670
• System/Series Family: AMAT semiconductor vacuum-processing equipment / Nor-Cal vacuum valve assembly
• One-Sentence Core Function: Pneumatically actuated stainless-steel vacuum angle valve for isolation and flow control in semiconductor vacuum systems
• Top 3 Hardcore Specs: Stainless-steel construction; pneumatic angle-valve configuration; approximately 69.6 mm outside diameter × 173.6 mm length
• Stock Status: Stock condition and actuator/configuration revision to be confirmed

Module 3: Technical Product Introduction

Vacuum leakage or an isolation-valve failure can interrupt an entire semiconductor process sequence even when the chamber controller and instrumentation remain operational. AMAT 0190-22670 is identified in current industrial references as a Nor-Cal vacuum angle valve used with Applied Materials equipment. The component is manufactured by Nor-Cal and appears in semiconductor-equipment supply records under the AMAT part number 0190-22670. Its primary function is mechanical vacuum isolation and flow-path control within the process vacuum system.

Trade and supply-chain records associate 0190-22670 with a stainless-steel vacuum valve having an outside diameter of approximately 69.6 mm and an overall length of approximately 173.6 mm. The same records identify it as a valve for vacuum systems and associate the manufacturer with NOR-CAL VN. Public sources do not provide enough reliable information to confirm every detailed parameter—such as nominal port size, flange standard, actuator pressure, seal material, conductance, or ultimate pressure—for every production revision. Those values should therefore be verified from the physical valve and the applicable equipment documentation before being used as fixed purchasing specifications.

Module 4: Application Scenarios & Field Realities

• Inside semiconductor process vacuum chambers, the 0190-22670 can serve as an isolation valve within the gas or evacuation path. A valve that does not fully seat can create a pump-down problem that looks like a chamber leak, so seat condition and valve actuation should be checked before opening the chamber for unrelated maintenance.
• For wafer-processing tools requiring controlled chamber isolation, pneumatic actuation allows the valve to respond to the equipment’s process sequence. Verify actuator supply pressure and valve-state feedback together; a valve can move mechanically while still failing to achieve the required vacuum isolation.
• During preventive maintenance on older AMAT equipment, inspect the valve body, sealing surfaces, actuator, fittings, and pneumatic tubing as one assembly. Semiconductor vacuum hardware is sensitive to contamination, and even a small particle or damaged seal can affect pump-down behavior.
• When troubleshooting slow vacuum recovery, compare the 0190-22670 against the original valve orientation, port geometry, and flange arrangement. Current trade records identify the part as a stainless-steel vacuum-system valve, but they do not establish every dimensional and interface parameter needed for an uncontrolled substitute.

AMAT 0190-22670

Module 5: Migration, Compatibility & Installation Traps

Replacement Matrix

Replacement Classification: Drop-in Replacement Only When the Complete Valve Configuration Matches

A like-for-like AMAT 0190-22670 replacement is appropriate when the installed equipment uses the same Nor-Cal valve configuration, physical dimensions, flange/port arrangement, pneumatic actuator interface, sealing materials, and process cleanliness requirements. The AMAT number should be matched against the existing valve nameplate and tool configuration before installation.

0190-22670 → Similar Nor-Cal vacuum angle valve: Hardware Modification Required. Similar body geometry does not guarantee identical flange dimensions, actuator configuration, conductance, seal material, or valve travel.

0190-22670 → Generic pneumatic vacuum valve: Hardware Modification Required. A generic valve may require changes to mounting, pneumatic control, process piping, position feedback, and tool sequencing.

⚠️ Field Traps — Watch Out

1. Dimensional mismatch: Current records identify approximately 69.6 mm outside diameter × 173.6 mm length for 0190-22670. Even a small dimensional difference can create interference with chamber hardware or adjacent pneumatic components.

2. Flange and port configuration: Do not select a replacement from overall dimensions alone. Confirm the exact process-side connection, flange standard, port size, seal arrangement, and valve orientation.

3. Pneumatic actuator compatibility: Verify actuator air pressure, tubing connection, normal valve state, and control-solenoid arrangement before installation. Mechanical compatibility does not establish pneumatic compatibility.

4. Vacuum cleanliness: Do not handle the internal vacuum surfaces like ordinary industrial valve components. Use the applicable cleanroom or vacuum-service handling procedure and prevent particulate, oil, and elastomer contamination from entering the process path.

Module 6: Quality Assurance SOP

Each AMAT 0190-22670 should undergo a documented dimensional, mechanical, pneumatic, and vacuum-interface inspection before shipment.

• OEM identification visual inspection: Verify Applied Materials / AMAT identification, 0190-22670 part number, Nor-Cal markings, serial number, date or revision information, and valve-body markings.
• Manufacturer verification: Record the valve manufacturer separately from the AMAT equipment part number. Current supply-chain records associate 0190-22670 with NOR-CAL VN.
• Dimensional inspection: Measure the valve body and record representative dimensions. Published trade data identifies approximately 69.6 mm outside diameter and 173.6 mm length.
• Mechanical inspection: Examine the stainless-steel body, actuator housing, mounting points, flange faces, fittings, seals, pneumatic connections, and valve stem area for impact, corrosion, contamination, or evidence of repair.
• Process-interface verification: Compare flange/port geometry, gasket or seal arrangement, valve orientation, and mounting dimensions with the customer’s original installation.
• Pneumatic-actuation test: Apply the approved actuator pressure and verify complete valve travel in both commanded states.
• Valve-state verification: Confirm full-open and full-closed positions and verify any available position feedback or limit indication.
• Leak-tightness test: Perform the approved vacuum leak or pressure-decay test using equipment appropriate for the valve’s certified vacuum service.
• Seat-isolation verification: Confirm that the closed valve achieves the required isolation performance under the approved test conditions.
• Actuator-response test: Record opening and closing response under controlled pneumatic conditions and compare with the applicable equipment specification.
• Vacuum cleanliness inspection: Inspect the vacuum-side surfaces using the applicable clean handling procedure and verify that no visible particulate, oil, or foreign material is present.
• Pneumatic leakage check: Verify tubing, fittings, actuator connections, and seals for leakage during repeated actuation.
• Cycle test: Exercise the valve through multiple controlled open/close cycles and monitor travel consistency, actuation pressure, and valve-state feedback.
• Extended stability test: Where the test facility supports vacuum operation, hold the valve under representative vacuum conditions and monitor isolation performance and actuator stability.
• Final QC record: Retain complete part-number photographs, manufacturer identification, dimensional measurements, process-interface checks, pneumatic test results, leak-test data, cleanliness inspection results, cycle-test records, and final QC approval.

The AMAT 0190-22670 is identified as a Nor-Cal vacuum angle valve used with Applied Materials semiconductor equipment. Current industrial and trade records associate the part with stainless-steel vacuum-system construction and approximately 69.6 mm outside diameter × 173.6 mm overall length.

For spare-parts control, the decisive checks are the complete 0190-22670 identification, Nor-Cal manufacturer reference, valve dimensions, process-side connection, actuator configuration, sealing arrangement, vacuum cleanliness, and leak-tightness. Do not classify it as a generic AMAT control component; it is a mechanical vacuum-valve assembly, and the exact physical configuration should be matched before releasing a replacement for semiconductor process equipment.