Product Overview
The NOR-CAL PRODUCTS ESV-1002-NWB is a pneumatically actuated vacuum poppet valve engineered for precise on/off control of vacuum and low-pressure gas circuits in demanding industrial process environments. Manufactured by NOR-CAL Products, a recognized name in high-purity and vacuum-rated fluid handling components, this valve utilizes a poppet-style sealing mechanism rather than a spool or shear-seal design, delivering positive bubble-tight shutoff and minimal leak paths across the seat. The ESV-1002-NWB is actuated by an external pneumatic pilot signal, allowing remote, fast-response switching without electrical power at the valve body — an advantage in wet, corrosive, or hazardous-area installations. Its NWB configuration denotes a specific port and body style within the NOR-CAL ESV series, making it a direct-fit replacement for OEM vacuum process lines. The valve is suited to vacuum service where contamination control, repeatable sealing, and rapid cycle response are critical to overall system performance.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Vacuum Poppet Valve (Process & Pneumatic Valve) |
| Model Designation | ESV-1002-NWB |
| Manufacturer | NOR-CAL PRODUCTS |
| Valve Mechanism | Poppet-type seat, pneumatic pilot actuation |
| Actuation | External pneumatic pilot signal (air-operated) |
| Operating Pressure | Standard Industrial Grade (vacuum to low positive pressure, up to rated bar) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (NWB port configuration) |
| Sealing | Positive poppet seat seal for bubble-tight shutoff |
Engineering Features & Advantages
- Precision Performance: The poppet-style seat delivers repeatable, bubble-tight sealing with minimal internal leak paths, ensuring stable vacuum hold and accurate process control across repeated actuation cycles.
- Pneumatic Pilot Actuation: Air-operated design enables fast, remote switching without electrical components at the valve body, improving safety in wet, corrosive, or hazardous-area installations.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with a robust body and seat construction resistant to wear from frequent cycling.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original NOR-CAL ESV series OEM standards, simplifying retrofit and maintenance.
Typical Industrial Applications
The NOR-CAL ESV-1002-NWB is deployed in vacuum and low-pressure pneumatic process lines across sectors such as semiconductor and electronics manufacturing (vacuum chuck and load-lock control), plastic injection molding and thermoforming (vacuum assist and venting circuits), metallurgical and heat-treatment systems (vacuum furnace and degassing lines), and general industrial automation (pick-and-place vacuum
PRODUCT IMAGES


NOR-CAL PRODUCTS ESV-1002-NWB Pneumatic Vacuum Poppet Valve
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- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
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- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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