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When your process demands regular cleaning, seat replacement, or CIP/SIP compatibility, the Three-Piece Ball Valve is the best choice. At Perfect Engineers, we design and manufacture high-performance three-piece ball valves that offer easy inline servicing, superior sealing, and automation compatibility, making them ideal for food, pharma, chemical, paint, and utility systems.
A Three-Piece Ball Valve consists of two end caps and a central body section that houses the ball, seats, and stem. These parts are bolted together, allowing the central part to be removed for maintenance or cleaning—without disturbing the piping system.
This design is a favorite in industries where downtime is expensive and valves must be serviced, cleaned, or inspected frequently.
| Parameter | Details |
|---|---|
| Sizes Available | ½” to 6” |
| Body Material | SS304, SS316, WCB, Brass |
| End Connections | Threaded, Flanged, Socket Weld, Butt Weld, Tri-Clamp |
| Pressure Rating | Up to 1000 PSI / PN16 / Class 150-300 |
| Temperature Range | -20°C to +220°C (Graphite) / +180°C (RPTFE) |
| Seat Materials | PTFE, RPTFE, TFM, Graphite, Delrin |
| Operation | Manual, Pneumatic, Electric |
| Design Standards | ASME B16.34, ISO 5211, EN 12516 |
| Testing Standards | API 598, EN 12266 |
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| Component | Options | Use Case |
|---|---|---|
| Body | SS304 / SS316 / WCB / Monel | Water, chemicals, steam, acids |
| Seats | PTFE / RPTFE / Graphite / TFM | General to high-temp or sterile use |
| End Style | Threaded / Flanged / Welded / Clamp | OEM, pharma, utility, CIP systems |
It fills the dead space between ball and body to prevent contamination—essential in food/pharma/paint systems.
Yes. All models come with ISO 5211 pads and actuator support.
Absolutely. We offer spare kits for easy on-site replacement.
We supply seats and seals with FDA/USP Class VI compliance for food and pharma use.
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