3PC Pneumatic Ball Valve BSPT (SUS316, Double Acting)
Model: PAVP-03(D)
PAVP-03(D) is a ball valve featuring a precision-cast SUS316 3PC body with a full-bore design and a pneumatic double-acting actuator. With a BSPT threaded connection and an ISO5211 direct mounting pad as standard specifications, it is used for high-speed automatic shutoff and sequence-control lines in the chemical, plant, water/wastewater, and construction sectors.
Features
- Compact design for easy installation in confined spaces
- 3PC structure for easy installation and maintenance
- Leak tested per API598
- First in Korea to apply ISO5211 Direct Mounting Pad
Frequently Asked Questions
- How do I choose between double acting and single acting?
- Double acting offers fast response and large torque margin, making it suitable for high-frequency cyclic control and high differential pressure sections, but position retention is uncertain when air pressure is lost. Single acting (spring return) provides Fail-safe return and is suited for lines where safety shutoff is critical. Choose double acting when high-speed automated control is the priority, and single acting when safe shutoff takes precedence.
- What is the advantage of a full-bore design?
- A full-bore design machines the valve internal diameter to match the connecting pipe, resulting in nearly zero flow loss when fully open and minimizing total piping pressure drop. It is suited for sections where maximum flow on opening is more important than precise flow regulation, and offers the additional advantage of low clogging risk even with fluids containing solids.
- How do I choose between 2PC and 3PC?
- 2PC has fewer parts and fewer leakage points, offering a cost advantage. 3PC allows seat and ball servicing without dismantling the pipeline, which is advantageous for lines with frequent maintenance. 3PC is the standard choice for lines with high maintenance frequency or that require long-term operation without full disassembly.
- What accessories can be attached to a pneumatic valve?
- Various accessory combinations can be supplied as integrated packages tailored to site requirements. Common options include limit switch boxes, solenoid valves, and air filter regulators. Please share your site configuration and we will prepare the appropriate combination.