The PARKER HPBYB8FF is a heavy-duty industrial general process valve engineered for reliable isolation and regulation of compatible media in demanding process and pneumatic circuits. It provides tight shut-off and stable flow characteristics across a broad range of operating pressures and temperatures.
PARKER HPBYB8FF Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | General Process Valve |
| Brand | PARKER |
| Model | HPBYB8FF |
| Port Size | 1/2 in (consult factory for exact) |
| Port Type | NPT / BSPP (per configuration) |
| Body Material | Brass / Stainless Steel (per variant) |
| Seal Material | NBR / FKM (media dependent) |
| Max Operating Pressure | Up to 3000 psi (207 bar) depending on model |
| Temperature Range | -20°F to 400°F (-29°C to 204°C) |
| Actuation | Manual / Pneumatic (per configuration) |
| Mounting | Inline / Panel Mount |
Key Engineering Features
- Precision-machined body and trim for consistent flow control and minimal pressure drop.
- Robust sealing system ensures bubble-tight shut-off and long service life.
- Compatible with a wide range of industrial gases, liquids, and pneumatic media.
- Compact, modular design simplifies installation and maintenance in tight spaces.
- Available with multiple port and seal options to suit specific process requirements.
Industrial Applications
- Process control and isolation in chemical, petrochemical, and pharmaceutical plants.
- Pneumatic systems for automation, packaging, and material handling.
- Water treatment, HVAC, and general industrial fluid handling.
- Test benches, analytical instrumentation, and research laboratories.
- OEM equipment requiring reliable, repeatable valve performance.
For technical inquiries, dimensional drawings, or replacement support for PARKER HPBYB8FF, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES


PARKER HPBYB8FF General Process Valve
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- 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.
Shop the PARKER HPBYB8FF General Process Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.