Electric Threaded Ball Valves

3-Piece Swing-Out Series (In-Line Serviceable)

Engineered for high-duty process lines requiring periodic seal maintenance (DN15 to DN100 / 1/2" to 4"). The three-piece bolted body allows the central center section to swing out completely for PTFE seat and stem packing replacement without unthreading the valve from the pipe.

• In-line maintenance eliminates pipe disassembly or re-threading
• Available with socket-weld or butt-weld end options in identical bodies
• Heavy-duty 4-bolt through-bolted construction resists pipeline torsional stress

2-Piece & 1-Piece Compact Series

Built for OEM equipment builders, commercial HVAC, and compact pump skids (DN15 to DN50 / 1/2" to 2"). Two-piece full-port designs maximize flow throughput (Cv), while one-piece reduced-bore models eliminate joint leak paths for budget-conscious automated isolation.

• Ultra-compact footprint fits tight enclosed machinery spaces
• Investment-cast CF8M (316SS) or WCB carbon steel construction
• Direct-mount ISO 5211 pad eliminates bulky brackets and alignment hysteresis

CNC Thread Gauging (NPT/BSPT)

Internal pipe threads are precision-cut on multi-axis CNC lathes and 100% inspected with hardened plug gauges. Ensures perfect taper engagement and leak-free metal-to-metal sealing without thread galling.

3-Piece Swing-Out Convenience

By loosening three bolts and removing the fourth, the central body swings out freely. Maintenance crews can inspect seats, replace stem packings, or clear pipeline debris without unthreading pipe unions or disturbing joints.

Integrated ISO 5211 Direct-Mount

Molded with an integrated high-platform ISO 5211 mounting pad. Electric actuators mount directly onto the valve neck without external brackets or couplings, reducing stack height by 40% and eliminating side-load stem friction.

1000 WOG High-Pressure Rating

Heavy-wall investment castings withstand working pressures up to 1,000 psi (6.9 MPa / PN63) for water, oil, and gas utilities, providing a high safety factor against hydraulic water hammer and pipeline pressure spikes.

Live-Loaded Anti-Blowout Stem

Internally bottom-entry assembled stem cannot be blown out under pressure. Equipped with Belleville spring washers that dynamically compensate for thermal expansion and packing wear, preventing stem leaks.

Fast 24VDC / 220VAC Actuation

Paired with energy-efficient electric actuators featuring rapid 5–10 second cycle times, visual dome position indicator, manual hex override, and optional fail-safe supercapacitors for emergency power-loss closure.

1. What is the difference between NPT, BSPT, and G (BSPP) pipe threads?

• NPT (ASME B1.20.1): American standard 60° tapered thread where pressure-tight sealing occurs on the thread flanks; standard in North America and oil & gas.

• BSPT (ISO 7-1 / R): British standard 55° tapered thread, widely used in Europe, Asia, and Commonwealth countries.

• G / BSPP (ISO 228-1): Parallel thread requiring an elastomeric face gasket or O-ring to seal. DELCO precision-machines all three thread standards upon project specification.

2. Why is the 3-piece swing-out design superior for maintenance in rigid pipe runs?

In a rigid threaded piping installation, removing a 1-piece or 2-piece valve requires unthreading adjacent pipe lengths or breaking pipe unions on both sides. With a DELCO 3-piece valve, the end caps stay threaded into the pipe while removing one body bolt allows the entire center section (ball, seats, stem, and actuator) to swing out freely. Seal overhaul is completed in minutes without disturbing pipe joints.

3. What does "1000 WOG" mean on industrial threaded valves?

"WOG" stands for Water, Oil, and Gas. A 1000 WOG rating indicates that the valve is tested and certified to safely contain non-shock cold media pressures up to 1,000 psi (approximately 69 bar / 6.9 MPa) at ambient temperatures (-20°C to +38°C). As operating temperatures rise, allowable working pressures adjust according to ASME B16.34 pressure-temperature charts.

4. Why is direct-mount ISO 5211 superior to bracket-mounted threaded packages?

Traditional brackets add 50mm to 100mm of vertical height and can introduce angular misalignment or backlash between actuator and stem. DELCO threaded ball valves incorporate cast-in ISO 5211 direct-mount pads. The actuator bolts flush directly onto the valve body, saving critical cabinet space, improving cycle accuracy, and eliminating side-load packing wear.