Product details
Weiss Industrial Thermowell | ER6-75BS | 6″ Length | Brass
Product Description
The ER6-75BS is the standard socket for 6-inch (150 mm) stem industrial thermometers used in chilled water and HVAC systems across the UAE. The “ER” prefix identifies this as a Reduced Tip (External) design, which features a tapered shank to minimize thermal mass and ensure a rapid temperature response.
The “6” indicates that this well is specifically sized for a 6-inch thermometer stem, and the “75” denotes the standard 3/4″ NPT process connection. Unlike the ER9 series (which includes a lagging extension), the ER6-75BS is typically a standard-length well with an insertion depth (U-dimension) of 5 inches. This makes it ideal for use in medium-sized pipes or where thermal insulation is not excessively thick.
Key Features
- Rapid Thermal Response: The “Reduced Tip” tapered design ensures metal-to-metal contact at the sensitive bulb section of the thermometer for nearly instantaneous readings.
- Superior Brass Construction: Offers high thermal conductivity and excellent corrosion resistance in non-aggressive fluid systems like chilled or hot water.
- Separable Socket Design: Allows for the replacement or calibration of the thermometer while the system is under pressure and fully operational.
- Standard 3/4″ NPT Thread: The universal mounting size for mechanical piping in Dubai and Abu Dhabi infrastructure projects.
- Heavy-Duty Protection: Shields the delicate thermometer bulb from mechanical damage, high-velocity flow, and vibration.
Technical Specifications
| Specification | Details |
| Brand | Weiss Instruments |
| Model | ER6-75BS |
| Nominal Stem Length | 6″ (150 mm) |
| Insertion Length (U) | 5″ (127 mm) |
| Material | Brass |
| Stem Design | Reduced Tip (Tapered) |
| Process Connection | 3/4″ NPT |
| Instrument Connection | 1-1/4″ – 18 UNEF (Standard for Industrial Glass) |
| Application | HVAC / Chilled Water / Boiler Piping |
Frequently Asked Questions
- Q: Which thermometer fits the ER6-75BS?
- A: It is designed for any industrial glass thermometer with a 6-inch stem, such as the Weiss 9VU6, A9VU6, or 7VU6 series.
- Q: What is the difference between ER6-75BS and EN6-75BS?
- A: Both fit a 6-inch thermometer. However, the ER6 has a 5-inch insertion with no lagging extension, whereas the EN6 has a shorter 2.5-inch insertion and a 2.5-inch lagging extension (for very thick insulation).
- Q: Can this be used in potable water?
- A: In the UAE, potable water systems often require lead-free materials. You should verify if the Lead-Free (LF) version (ER6-75BSLF) is required for your specific project.