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Super-Dry Systems

320-235: TD 1/4 240 Volt

320-235: TD 1/4 240 Volt

SKU: 320-235

47 in stock

Regular price $275.00 USD
Regular price Sale price $275.00 USD
Sale Sold out
Shipping and Tariff calculated at checkout.

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We offer fast, reliable shipping worldwide. Orders are processed within 1-2 business days; Express shipping does not accelerate the order processing.

Professional Installation Recommended

Super-Dry products deliver reliable results when installed under proper system conditions. If you’re unsure about your setup, we recommend having a local compressed air specialist review your system before installation. Super-Dry does not provide on-site support.

Tariff Surcharge

All shipments to the United States include a 10% Tariff Surcharge. The surcharge is a temporary measure to offset part of the tariffs currently applied to our products.

DESCRIPTION

Automatic Timer Drain including brass Ball Valve & Strainer (1/4"- 1/2" Dual Inlet), Timed Solenoid,  and 3-meter cable with plugDevilBiss Desiccant Air Dryer, DevilBiss DAD 500, CamAir CT30, Devilbiss CT30, DevilBiss DAD

SPECS

  • INLET / OUTLET PORTS: 1/4" - 1/2" NPT (DUAL PORT)
  • INTERVAL TIME: 0.5 - 45 MIN
  • DISCHARGE TIME: 0.5 - 10 SEC
  • 240 VOLT
  • ELECTRIC CORD INCL.
  • HS CODE: 8481.80

PDF

FAQ

What is the TD Series Timer Drain?

The TD Series is an automatic condensate drain designed for compressors, air dryers, and receiver tanks. It combines a solenoid valve, ball valve strainer, and electronic timer to discharge condensate at set intervals.

What voltages are available?

The TD Series is available in multiple voltages including 12VDC, 110–120VAC, and 220–240VAC (including 240V models not shown in some literature). All models operate the same way; only the power supply differs.

How does the timer drain work?

The timer controls two settings. The interval time determines how often the drain opens, adjustable from 0.5 to 45 minutes. The discharge time determines how long the valve stays open, adjustable from 0.5 to 10 seconds.

At each interval, the solenoid valve opens and discharges condensate automatically.

Where should the TD Series be installed?

The TD Series should be installed at a low point where condensate collects. Common applications include air compressors, air dryers, receiver tanks, and filters or separators.

Why is my timer drain not working?

If the drain is not operating, common causes include lack of power or incorrect voltage, incorrect wiring or reversed polarity (especially on 12VDC models), a faulty timer module, or a clogged strainer or blocked discharge line.

The solenoid works when bypassed, but the timer does not. What does this mean?

This typically indicates that the valve and coil are functioning properly. The issue is most likely related to the timer module, wiring, or power supply.

How do I troubleshoot a TD Series timer drain?

Start by pressing the test button on the timer. If the drain actuates, this confirms power is reaching the unit. Next, verify the correct voltage is present at the timer and that it remains stable under load. Check all wiring connections and confirm correct polarity for DC units. Inspect the strainer and ensure the discharge line is not blocked.

What should I do if the unit still does not work?

If the drain still does not function after troubleshooting, provide a picture and a short video of the installation. This helps verify wiring and application conditions. If the unit is confirmed defective, it may be eligible for warranty replacement.

What are the key specifications?

The TD Series features an interval time range of 0.5 to 45 minutes and a discharge time range of 0.5 to 10 seconds. Typical connection size is 1/4 inch NPT, and the unit includes an integrated strainer and valve assembly.

What makes the TD Series a good choice?

The TD Series offers low cost, reliable operation, and high performance automatic condensate removal.

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Industries & case studies

Powering Industry-Specific Needs

Sand Blast

Using an air dryer in conjunction with a sandblasting setup can be beneficial to ensure optimal performance and prevent issues associated with moisture in the compressed air. Moisture in the air can lead to problems such as clogging of the abrasive media, inconsistent blasting results, and equipment's internal parts rusting. Super-Dry compressed air dryers offer a higher drying capacity than a Devilbiss DAD 500 or Devilbiss CT30.

Case Study PDF

Paint Shop

An air dryer in a paint shop is a crucial component of the compressed air system. It helps remove moisture from the compressed air to ensure that the air used for painting is dry and free from contaminants. Moisture in compressed air can lead to paint defects, fish eyes, orange peel, and costly redoes

Case Study PDF

Diesel Compressor

A diesel compressor air dryer is a system used to remove moisture and contaminants from compressed air produced by a diesel-powered air compressor. Compressed air often contains water vapor, oil, and other impurities that can negatively impact the performance and longevity of pneumatic tools and equipment. The air dryer helps improve compressed air quality by reducing its moisture content.

Case Study PDF

Manufacturing

By removing moisture and contaminants, a compressor air dryer helps prevent corrosion in pneumatic systems, ensures the proper functioning of air-operated equipment, and extends the life of tools and machinery. This is particularly important in applications where clean, dry air is critical, such as manufacturing, automotive, painting, and various industrial processes.

Case Study PDF (#1)
Case Study PDF (#2)

Nail Guns & Air Tools

An air tool air dryer, also known as a compressed air dryer, is a device used to remove moisture and contaminants from compressed air in a pneumatic system. Compressed air often contains water vapor, oil, and other impurities that can negatively impact the performance and lifespan of pneumatic tools and equipment. The air dryer helps ensure clean, dry air, which is crucial for adequately functioning air-powered tools and systems. When used in a cold environment, it will prevent nail guns from freezing.

Case Study PDF

Dust Collectors

Compressed air often contains water vapor, and when the air cools, this moisture can condense into liquid water, potentially causing issues in pneumatic systems, tools, and equipment. Air dryers help prevent this by removing the moisture content of the compressed air, which reduces the effectiveness of the dust collector or causes operational issues.

Case Study PDF

Plasma Cutting

Compressed air often contains moisture, which can negatively impact the performance of the plasma-cutting process. Moisture in the air can lead to poor cut quality, reduced consumable life, and potential damage to the plasma torch. In addition to humidity, compressed air can carry impurities such as oil, dust, and other contaminants. These impurities can clog or damage the internal components of the plasma cutter, affecting its efficiency and requiring more frequent maintenance.

Case Study PDF

Ready-Mix Concrete

Moisture in compressed air is a hidden threat in cement production. It clogs aerators, forms hard cement deposits, and disrupts material flow. Super-Dry systems eliminate moisture to keep your silos, aeration systems, and conveyors running smoothly — reducing downtime and costly cleanouts.

Case Study PDF

Medical & Pharmaceutical

In the medical and pharmaceutical industries, the quality of compressed air is directly tied to patient safety, product purity, and equipment reliability. Even the smallest trace of moisture can lead to corrosion, bacterial growth, or contamination in sensitive systems such as pneumatic controls, air-operated valves, or packaging lines.

Case Study PDF (#1)
Case Study PDF (#2)

Underground Wires

Dry compressed air is essential when installing underground electrical cables and fiber optics because any trace of moisture in the air used to blow or push wires through conduits can lead to serious issues such as freezing, corrosion, and signal loss. Moisture inside the ducts can cause cables to overheat or short-circuit over time, especially in cold climates. Using a Super-Dry air dryer ensures the air is completely moisture-free, protecting the integrity of your electrical and fiber-optic installations and ensuring long-term system reliability and performance.

Case Study PDF

Food & Beverages

In the food and beverage industry, clean and dry compressed air is critical to maintaining product quality, safety, and compliance with strict hygiene standards. Moisture in compressed air can cause bacterial growth, equipment corrosion, and contamination during packaging or processing. Super-Dry air dryers eliminate moisture at the source, ensuring reliable, contaminant-free air for mixing, conveying, bottling, and packaging applications. Protect your products, meet food-grade standards, and keep your operations running smoothly with Super-Dry — the trusted choice for moisture-free compressed air in food processing environments.

Case Study PDF (#1)
Case Study PDF (#2)

Oil & Gas

In the oil and gas industry, moisture in compressed air can lead to costly equipment failures, corrosion, and downtime in demanding field conditions. From pneumatic controls and instrumentation to drilling rigs and compressor stations, reliable dry air is essential for safety and performance. Super-Dry air dryers remove water vapor before it reaches critical components, ensuring consistent operation, preventing line freezing, and reducing maintenance costs. Built tough for harsh environments, Super-Dry systems deliver dependable, moisture-free compressed air that keeps your oil and gas operations running efficiently and safely.

Case Study PDF (#1)
Case Study PDF (#2)

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