MeloAuto-Trusted PLC & DCS Parts Supplier
High-Performance Microvalve for Precision Paint Control
The RANSBURG 78949-00 Assembly Valve delivers consistent, high-precision paint flow for industrial finishing systems. Designed to operate for up to two million cycles, this microvalve ensures durability, stability, and accuracy under demanding production conditions.
Its advanced design separates the fluid and air sections with a dedicated weep port, effectively preventing contamination and maintaining clean, reliable performance during continuous operation. The RANSBURG 78949-00 integrates smoothly with multi-color systems, supporting up to 32 color channels for flexible paint applications.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Operating Pressure (Fluid) | Maximum 300 psi (20.68 bar) |
| Operating Pressure (Air) | Maximum 100 psi (7 bar) |
| Air Actuating Pressure | 75–120 psi (5.2–8.3 bar) |
| Fluid Tube – Metric | Inlet: 10 mm ODT; Circulation: 8 mm ODT; Bell wash: 6 mm & 8 mm ODT |
| Fluid Tube – Fractional | Inlet: 3/8 inch ODT; Circulation: 5/16 inch ODT; Bell wash: 5/16 inch ODT |
| Air Tube – Fractional Metric | Actuation: 5/32 inch (4 mm) ODT Inlet |
| Maximum Number of Colors | 32 |
| Construction Materials | Stainless Steel, UHMW |
| Fluid Input Pressure (DR-2 Regulator) | 300 psi max (20.7 bar), 10 psi min above output pressure |
| Fluid Output | Adjustable by ratio |
| Air Pressures (Regulator) | Variable by manual or automatic control – 100 psi (7 bar max.) |
| Air Pilot Connection | 1/8-inch NPT (F) Thread (Cap) / #10-32 (F) Thread (Plate) |
| Volume of Paint in Regulator | 5 cc |
Construction and Performance
The RANSBURG 78949-00 microvalve features stainless steel and UHMW construction, ensuring corrosion resistance and long-term reliability. The precision-machined components support stable pressure control and smooth fluid actuation, essential for consistent coating quality.
This valve integrates perfectly with DR-2 Regulators, enabling fine adjustment of air and fluid pressure for efficient atomization and paint transfer. With quick-response pneumatic control and balanced pressure output, it minimizes overspray and optimizes paint utilization.
Origin, Dimensions, and Weight
- Origin: United States
- Dimensions: Compact design for easy integration (detailed mechanical drawing available on request)
- Weight: Lightweight construction (< 0.5 kg) for reduced installation stress