Product Overview
The GEMÜ 514 20D 6034 51 0 2061+Z04 is a pneumatically actuated angle seat globe valve engineered by GEMÜ for precise shut-off and control of neutral, aggressive, and contaminated media in industrial process systems. The valve operates on a linear piston actuator principle, where compressed air drives a spring-returned piston to lift or seat a globe-style plug against a machined valve body seat. The angled body geometry (Y-pattern) promotes a straight-through, low-turbulence flow path with excellent self-draining characteristics, making it particularly suitable for viscous, particulate-laden, or high-purity fluids. As a process and pneumatic valve within the hydraulic and fluid control domain, the GEMÜ 514 series serves as a reliable isolation and on/off control element in demanding industrial circuits, offering high cycle life, bubble-tight sealing, and compatibility with a broad range of body and seal materials.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Angle Seat Globe Valve (Process & Pneumatic Valve) |
| Model Designation | GEMÜ 514 20D 6034 51 0 2061+Z04 |
| Manufacturer | GEMÜ (GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG) |
| Actuation Type | Pneumatic piston actuator, spring-return (normally closed / normally open configuration dependent) |
| Operating Pressure | Standard Industrial Grade (up to rated bar; control air typically 4–10 bar) |
| Nominal Size | DN 20 (per model code “20D”) |
| Body Configuration | Angle seat (Y-pattern) globe body |
| Mounting & Connection | Standard ISO / Manufacturer Interface (threaded or clamp connection per model variant) |
| Sealing Principle | Globe plug with soft or PTFE seat seal for bubble-tight shut-off |
| Accessory Code | +Z04 (factory-configured accessory/option per GEMÜ designation) |
Engineering Features & Advantages
- Precision Performance: The angle seat globe design delivers a streamlined, low-pressure-drop flow path with high flow coefficients (Kv) relative to size, while the linear globe plug ensures repeatable, accurate shut-off and throttling behavior.
- Industrial Reliability: Constructed for continuous duty with durable, corrosion-resistant materials and proven engineering for maximum system uptime.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original GEM standards, allowing straightforward retrofit into existing hydraulic systems without rework.
Typical Industrial Applications
As a process and pneumatic valve within the hydraulic and fluid control domain, the GEMÜ 514 series serves as a reliable isolation and on/off control element in demanding industrial circuits, offering high cycle life, bubble-tight sealing, and compatibility with a broad range of body and seal materials.
PRODUCT IMAGES


GEMÜ 514 20D 6034 51 0 2061+Z04 Pneumatic Angle Seat Globe 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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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
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