DANTON DURO INTRUMENTS 206SFAS30-0-150 Compound Gauge Hg Nos To 60 Nos. Flange

( Brand: Danton Duro Intruments ), ( Manufacturer Part Number: 206SFAS30-0-150 ), ( Model: COMPOUND ), ( Part Type: Compound Gauge Flange ), ( Face Diameter: 4.5 In ), ( Connection Diameter: 1/4 In ), ( Mounting Position: Back Mount ), ( Country Of Origin: United States )

Review DANTON DURO INTRUMENTS Compound Gauge 30 Inch Hg To 60 Psi Nos. Flange

The **D Antoni Duro Instruments 206-SFAS30-0-150 Compound Gauge (30 HG / 60 NOS Flange)** is a precision-engineered, high-performance pressure gauge designed for demanding industrial, commercial, and mechanical applications where accuracy, durability, and reliability are paramount. Crafted with meticulous attention to detail, this gauge combines robust construction with advanced engineering to deliver consistent readings in environments where fluctuations in pressure whether in hydraulic systems, pneumatic circuits, or HVAC setups must be monitored with absolute precision. The **30 HG (Hundreds of Gauge Pressure) range** ensures it can handle moderate to high-pressure applications, making it ideal for systems operating between 0 and 300 kPa (kilopascals), while its **60 NOS (National Oilwell Service) flange connection** provides a secure, standardized mounting interface, compatible with a wide range of piping and instrumentation systems. The **SFAS30 designation** indicates a **semi-flanged, aluminum-alloy case** with a **30 mm (1.18-inch) diameter**, striking a balance between compactness and visibility perfect for installations where space is limited but clarity is essential. The gauge s **compound dial** features dual scales: one for **absolute pressure (in bar or psi)** and another for **vacuum measurement**, allowing operators to track both positive and negative pressure deviations in a single glance. This dual-functionality is particularly valuable in applications such as refrigeration, air conditioning, or vacuum-assisted processes, where maintaining optimal pressure differentials is critical to system efficiency and longevity.

Underneath its sleek, anodized aluminum housing, the gauge houses a **bourdon tube mechanism**, renowned for its durability and responsiveness. The **high-quality brass or stainless-steel bourdon tube** resists corrosion and deformation, ensuring long-term accuracy even in humid or chemically aggressive environments. The **sealed, oil-filled capsule** dampens fluctuations and minimizes hysteresis, providing smoother, more stable readings that reduce operator fatigue and potential miscalculations. The **black-and-white or color-coded dial face** is engineered for optimal readability, with bold, high-contrast markings and a **backlit or reflective surface option** (depending on the variant) to enhance visibility in low-light conditions or through glass. The **flanged mounting design** not only ensures a secure fit but also allows for easy installation and removal without compromising system integrity, while the **O-ring sealing** prevents leaks, making it suitable for applications where containment is non-negotiable.

Beyond its technical specifications, the **D Antoni Duro Instruments 206-SFAS30-0-150** embodies a commitment to **industrial-grade reliability**, backed by rigorous testing standards to ensure compliance with **ISO, ANSI, or CE certifications**. Its **corrosion-resistant materials**, including **stainless-steel pins and a robust glass window**, protect against environmental degradation, while the **adjustable mounting bracket** accommodates various panel thicknesses and orientations. Whether integrated into a **hydraulic press, air compressor system, or HVAC unit**, this gauge serves as a silent sentinel, offering real-time feedback to prevent overpressure events, ensure operational safety, and extend the lifespan of connected machinery. For professionals who demand **precision without compromise**, the **D Antoni Duro Instruments 206-SFAS30-0-150** represents a fusion of **engineering excellence and practical functionality**, delivering performance that meets the highest standards of industrial precision.

### **Pros and Cons of buying a D Anton Duro Instruments 206SFA-S30-0-150 Compound Gauge (30" Hg, 60" Nos, Flange)**

1. **High Accuracy and Reliability** D Anton Duro Instruments is a well-established brand known for precision-engineered pressure gauges, particularly in industrial and laboratory settings. This compound gauge combines a mercury (Hg) column for high-pressure measurement with a nitrogen (Nos) column for lower pressures, ensuring precise readings across a wide range.

2. **Wide Measurement Range** The gauge covers a dual range: **30" Hg (inches of mercury, 100 kPa or 1.45 psi) for vacuum/low pressure** and **60" Nos (inches of nitrogen, 20 kPa or 0.3 psi) for higher vacuum applications**. This makes it versatile for applications requiring both high and low-pressure monitoring.

3. **Flanged Mounting** The flange connection (likely **150# ANSI or equivalent**) allows for secure, leak-proof installation in industrial systems. This is preferable over threaded connections in high-vacuum or high-pressure environments where reliability is critical.

4. **Durable Construction** The gauge appears to be built for industrial use, with materials resistant to corrosion and temperature fluctuations. The **30" Hg range** suggests it can handle moderate vacuum applications, while the **60" Nos range** indicates suitability for rough vacuum or low-pressure gas systems.

5. **Compact and Clear Display** Compound gauges combine two scales in one unit, saving space while providing dual functionality. The mercury column is typically more stable for high-precision readings, while the nitrogen column allows for broader vacuum monitoring.

6. **Compatibility with Industrial Systems** This gauge is likely designed for **HVAC, laboratory, process control, or vacuum system applications**, where accurate pressure monitoring is essential. It may integrate well with systems requiring both vacuum and low-pressure measurements.

7. **Long-Term Stability** Mercury-based gauges are known for their stability over time, unlike some electronic or digital gauges that may drift or require calibration. This makes it a reliable choice for critical applications.

---

1. **Mercury Content** The presence of **mercury (Hg)** raises environmental and safety concerns. Mercury is toxic, and improper handling or disposal can lead to contamination. This may require **specialized disposal procedures**, adding cost and complexity.

2. **Fragility of Mercury Column** Mercury gauges can be **delicate**; accidental shocks, vibrations, or temperature extremes may damage the column, leading to inaccurate readings or leaks. This increases the risk of maintenance or replacement.

3. **Limited High-Pressure Capability** While the **30" Hg range** is useful for vacuum, the **60" Nos range** is relatively low for many industrial applications. If the system requires **higher pressures (e.g., above 15 psi or 1 bar)**, this gauge may not be sufficient, and an additional high-pressure gauge would be needed.

4. **Maintenance Requirements** Mercury gauges may require **periodic recalibration** to ensure accuracy. The nitrogen column could also degrade over time if exposed to contaminants (e.g., moisture, oil vapors), reducing longevity.

5. **Cost of Replacement** If the mercury column fails, replacing it may be **expensive** due to the need for a certified technician and proper disposal. Some manufacturers may not offer easy replacements, forcing a full gauge swap.

6. **Regulatory and Safety Compliance** Due to mercury s hazardous nature, installation and use may be subject to **OSHA, EPA, or local regulations**. Proper training and safety protocols must be followed to avoid legal or health risks.

7. **Alternative Technologies Exist** Modern **electronic or digital vacuum gauges** (e.g., Pirani, Penning, or capacitive manometers) offer **higher accuracy, no mercury risks, and digital outputs** for automation. While these may be more expensive upfront, they can be more cost-effective in the long run.

---

The **D Anton Duro Instruments 206SFA-S30-0-150 compound gauge** is a **high-quality, precision instrument** ideal for applications requiring **accurate vacuum and low-pressure measurements** in industrial or laboratory settings. Its **dual-range design, flange mounting, and durability** make it a strong choice for systems where **mercury-based stability is acceptable**.

However, the **use of mercury introduces significant drawbacks**, including **safety risks, disposal challenges, and potential fragility**. If **mercury-free operation** is a priority, **electronic or digital gauges** may be a better long-term investment despite higher initial costs.

- You require **high-precision vacuum and low-pressure measurements** in a controlled environment.

- Your application **cannot accommodate electronic gauges** (e.g., due to electromagnetic interference or legacy system compatibility).

- You have **proper mercury handling and disposal protocols** in place.

- The **cost of potential replacements** is justified by the gauge s longevity and accuracy.

- **Mercury exposure is a concern** (e.g., in sensitive or public-facing environments).

- You need **higher pressure ranges** beyond the gauge s limits.

- **Maintenance and calibration** are a recurring issue in your facility.

- **Digital or electronic gauges** (e.g., **Baratron, Pirani, or capacitive sensors**) are available and within budget.

For most **modern industrial or laboratory applications**, a **mercury-free electronic gauge** (with **4-20mA or digital output**) may offer **better safety, reliability, and integration** with automation systems. However, if you are working with **legacy systems or high-vacuum applications where mercury gauges are standard**, this D Anton model remains a **solid, high-end choice**.

Details:

5 glass Gage with 8 flange.

part #: 206sfas300150 prices

• $99.00-$129.95

specifications pressureswitchiz:

• brand: Danton Duro Intruments
• mpn: 206sfas30-0-150
• model: Compound
• part type: Compound Gauge Flange
• face diameter: 4.5 In
• connection diameter: 1/4 In
• mounting position: Back Mount
• country of origin: United States

shipping pressureswitchiz:

• service: USPS First Class
• type: Calculated
• carrier: USPS
• cost: $0.00
• class: Standard
• transit: 3-9 Days

general pressureswitchiz:

• Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Air Pressure Gauges
• condition: Used

payments pressureswitchiz:

• credit card: Discover
• wallet: Apple-pay
• other

offer pressureswitchiz:

• started: March 17, 2026
• best offers: True
• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns pressureswitchiz:

• paid by: Buyer
• method: Money back
• policy: Returns Accepted
• time: 30 Days

seller pressureswitchiz:

• city: Greenville, Kentucky
• # reviews: 1797
• rating: 100.0%