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Help CenterMAC Spool Valve 55B‑11‑PI‑591BA Industrial Automation Pneumatic Solenoid Valve
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Rossonix Co., Limited, established in 2011 and headquartered in Shenzhen, China, is a trusted trading company specializing in high-performance pneumatic components. With annual export values reaching US$5-10 million and a dedicated overseas office, we serve global markets including North America, Europe, Oceania, and Asia. Our MAC Spool Valve 55B‑11‑PI‑591BA is a premium industrial automation pneumatic solenoid valve designed for reliable, high-speed switching in demanding applications. Backed by ISO9001 and ISO9000 certified quality management, this valve delivers consistent performance, long service life, and easy integration into automated systems. Whether you need precise control for packaging, assembly, or robotics, this valve offers the durability and precision your operations demand.
Product Overview
The MAC 55B series spool valve is a direct-acting, 4-way, 2-position solenoid valve that provides exceptional flow and fast response. Its compact design and lightweight aluminum body make it ideal for space-constrained installations. The 55B‑11‑PI‑591BA model features a single solenoid, spring return, and a 1/8" NPT port size, suitable for most pneumatic systems. With a flow coefficient (Cv) of 0.35, it efficiently handles air, inert gases, and light vacuum applications.
Key Features & Technical Specifications
Direct-Acting Spool Design: No minimum pressure required; reliable operation from 0 psi.
High Flow Capacity: Cv 0.35 ensures efficient actuation for cylinders and actuators.
Fast Response Time: Typical opening/closing time under 10 ms for high-speed cycles.
Wide Operating Pressure Range: 0 to 150 psi (10.3 bar) covers most industrial applications.
Multiple Voltage Options: Standard 24VDC; 12VDC, 24VAC, 110VAC, 220VAC available upon request.
Durable Construction: Anodized aluminum body with NBR seals (Viton available for high-temperature or chemical resistance).
IP65 Protection: Suitable for dusty or wet environments.
Manual Override: Standard push‑button override for easy setup and maintenance.
Low Power Consumption: 2.5W (24VDC) reduces energy costs.
Compact Dimensions: 55mm (L) × 22mm (W) × 48mm (H) – saves valuable panel space.
| Parameter | Value |
| Model | 55B-11-PI-591BA |
| Valve Type | 4-Way, 2-Position (5/2) |
| Operation | Single Solenoid, Spring Return |
| Port Size | 1/8" NPT (optional G1/8) |
| Flow (Cv) | 0.35 |
| Operating Pressure | 0 - 150 psi (10.3 bar) |
| Voltage | 24VDC (others available) |
| Power Consumption | 2.5W |
| Protection | IP65 |
| Body Material | Aluminum alloy |
| Seal Material | NBR (Viton optional) |
| Temperature Range | -10°C to 60°C |
Benefits for Your Automation System
Increased Productivity: Fast response and high cycle rates (up to 600 cycles/min) maximize machine throughput.
Reduced Downtime: Robust spool design and IP65 rating ensure long life even in harsh environments.
Easy Installation: Compact size and multiple port options (NPT or G) simplify integration into existing pneumatic circuits.
Energy Efficiency: Low power consumption solenoid reduces operational costs and heat generation.
Flexibility: Available with various voltages, seal materials, and manual override options to suit diverse applications.
Global Compatibility: Standard 1/8" ports and wide voltage range make it suitable for equipment exported worldwide.
Why Choose Rossonix?
With over 13 years of experience in the pneumatic industry, Rossonix Co., Limited has established a strong presence in global markets. Our annual export value of US$5-10 million reflects the trust of customers across North America, Europe, Oceania, and Asia. We ship from Shenzhen, Hong Kong, and Europe, ensuring fast delivery to your location. Our products are sourced from reputable manufacturers and undergo rigorous quality control, meeting ISO9001 and ISO9000 standards. We offer responsive customer support, technical assistance, and customization services to meet your specific requirements. When you choose the MAC 55B-11-PI-591BA from Rossonix, you are investing in reliability and performance that will keep your production running smoothly.
FAQ
Q1: What is the operating voltage of this valve?
A: The standard model operates at 24VDC. Other voltages such as 12VDC, 24VAC, 110VAC, and 220VAC are available upon request.
Q2: Can this valve be used for vacuum applications?
A: Yes, the MAC 55B series spool valve is suitable for vacuum up to 29.5" Hg. It is also compatible with inert gases and compressed air.
Q3: What is the maximum operating pressure?
A: The maximum operating pressure is 150 psi (10.3 bar). The valve operates reliably from 0 psi due to its direct-acting design.
Q4: Does the valve come with a manual override?
A: Yes, a push-button manual override is included as standard, allowing you to manually actuate the valve for setup or testing.
Q5: What is the ambient temperature range?
A: The valve can operate in ambient temperatures from -10°C to 60°C (14°F to 140°F). For extreme temperatures, optional seal materials (e.g., Viton) are available.
Q6: Is the valve IP rated?
A: Yes, it has an IP65 protection rating, making it dust-tight and protected against water jets.
Q7: What port sizes are available?
A: The standard port size is 1/8" NPT. Optional G1/8 (BSPP) threads are available upon request.
Q8: Can I get a sample before bulk order?
A: Yes, sample orders are welcome. Please contact our sales team for pricing and lead time.
Contact Us Today
Experience the reliability of Rossonix and the performance of the MAC 55B-11-PI-591BA. For inquiries, quotes, or technical support, reach out to our team. We are committed to providing high-quality pneumatic solutions that drive your success.
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