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  3. CHEMGLASS CG-4522-02

CHEMGLASS CG-4522-02 High Capactiy Bubbler Check Valve Od Arm 3/4

Cg-4522-02 Chemglass High Capactiy Bubbler With Check Valve 3/4 Inch Od Side Arm

( Brand: Chemglass ), ( Manufacturer Part Number: CG-4522-02 ), ( Model: CHEMGLASS CG-4522-02 ), ( Part Type: Valve Check Arm ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review CHEMGLASS High Capactiy Bubbler Check Valve 3/4 Inch Od Side Arm

The **Chemglass CG-4522-02 High Capacity Bubbler Check Valve with 3/4" OD Arm** is a precision-engineered glass apparatus designed to ensure unidirectional flow while preventing backflow in laboratory gas delivery systems, making it an indispensable component for applications requiring strict control over gas or liquid movement. Constructed from durable borosilicate glass (Type 1, conforming to ASTM E438), this valve is engineered to withstand rigorous chemical exposure, high temperatures, and repeated use without compromising structural integrity or performance. The high-capacity design features a robust internal ball-and-seat mechanism, allowing for smooth, leak-free operation even under moderate pressure differentials, which is critical for applications such as sparging, degassing, or maintaining inert atmospheres in reactions. The valve s **3/4" OD arm** provides a secure and versatile connection point, compatible with standard laboratory glassware, including adapters, tubing, or other glass components, ensuring seamless integration into existing setups. Its **bubbler-style configuration** allows for visual monitoring of flow, as bubbles passing through the valve indicate active operation, while the absence of bubbles confirms a sealed system. The valve s design minimizes dead volume and maximizes efficiency, reducing the risk of contamination or cross-talk between gases or liquids. Built for durability, the CG-4522-02 is ideal for use in organic synthesis, analytical chemistry, biochemistry, and pharmaceutical research, where reliability and precision are paramount. Whether used in a fume hood, glove box, or custom glass apparatus, this valve delivers consistent performance, making it a trusted choice for laboratories demanding both functionality and safety.

**Pros and Cons of buying a Chemglass CG-4522-02 High Capacity Bubbler Check Valve (3/4 OD Arm)**

### **Pros:**

1. **High Flow Capacity** The "high capacity" designation suggests it can handle larger gas volumes compared to standard bubbler check valves, making it suitable for applications requiring robust airflow, such as large-scale gas scrubbing, sparging, or vacuum systems.

2. **Durable Construction** Chemglass is known for producing high-quality glassware designed for chemical and laboratory use, often featuring reinforced joints and durable materials to withstand repeated use and potential pressure fluctuations.

3. **Compatibility with Standard Glassware** The 3/4 OD arm likely fits seamlessly with standard laboratory glassware, reducing the need for adapters or custom fittings.

4. **Versatility** Bubbler check valves are useful in preventing backflow in systems where gas or liquid movement must be controlled, such as in gas washing bottles, vacuum systems, or pressure regulation setups.

5. **Chemical Resistance** Glass is inherently resistant to most chemicals, making this valve suitable for corrosive environments where plastic or metal components might degrade over time.

6. **Easy to Clean and Maintain** Glass components are straightforward to clean and sterilize, which is advantageous in laboratory or pharmaceutical settings where contamination must be minimized.

7. **Precision Engineering** Chemglass products are often precision-made, ensuring a tight seal and reliable performance, which is critical for experiments requiring accurate gas flow control.

### **Cons:**

1. **Fragility** Glass is brittle and can shatter if dropped or subjected to sudden impact, which may pose a risk in environments with rough handling or mechanical stress.

2. **Limited Pressure Tolerance** While designed for laboratory use, glass bubbler valves may not be suitable for high-pressure applications, as excessive pressure could lead to cracking or failure.

3. **Size and Weight** The larger size and weight of glass components compared to plastic or metal alternatives may make installation or relocation more cumbersome.

4. **Cost** High-quality glassware from Chemglass tends to be more expensive than plastic or metal alternatives, which could be a consideration for budget-conscious users or large-scale applications.

5. **Potential for Leaks** Over time, the rubber or silicone seals in the valve may degrade, leading to leaks if not regularly inspected and replaced.

6. **Limited Temperature Range** While glass can handle a wide range of temperatures, extreme heat or cold (e.g., near boiling or freezing points of certain chemicals) could affect performance or integrity.

7. **Specialized Installation** Proper installation, such as ensuring correct alignment and sealing, may require additional expertise, especially for users unfamiliar with glassware assembly.

### **Conclusion:**

The Chemglass CG-4522-02 high-capacity bubbler check valve is a robust and reliable choice for laboratory applications requiring precise gas flow control, particularly in systems where chemical resistance, durability, and compatibility with standard glassware are priorities. Its high flow capacity and precision engineering make it ideal for experiments or industrial processes where backflow prevention is critical. However, its fragility, higher cost, and potential maintenance requirements (such as seal replacement) may make it less suitable for high-pressure, high-stress, or cost-sensitive applications. Users in environments with rough handling or frequent temperature fluctuations should weigh these factors carefully.

### **Recommendation:** Purchase the Chemglass CG-4522-02 if:

- You are working in a laboratory or controlled environment where glassware is standard.

- Your application demands high flow capacity and chemical resistance.

- You prioritize durability and precision over cost or weight concerns.

- You have the necessary precautions in place to handle glassware safely (e.g., protective gear, careful handling).

Avoid or consider alternatives (such as plastic or metal bubbler valves) if:

- Your application involves high pressure, extreme temperatures, or mechanical stress.

- Budget constraints make the higher cost prohibitive.

- You require frequent replacements due to wear and tear, as plastic or metal valves may offer better longevity in such cases.

- Your workspace lacks the infrastructure to safely handle glass components.

Details:

Chemglass CG-4522-02 high capacity bubbler with check valve, 50/30 joint, approximately 175mm overall height , 3/4 OD side arm/tubing connection as shown. Used, see photos. Designed for Schlock line, vacuum/inert gas manifold, air-free chemistry, glove box-adjacent transfer, reactor purge, outlet, pressure relief, and laboratory handling applications where oil back flow prevention is important. Chemglass CG-4522-02 High Capactiy Bubbler w/Check Valve 3/4 OD Side Arm.

Commonly used when evacuating and purging glassware or reaction apparatus with nitrogen, argon, other inert gas.

part #: cg452202 price

  • $149.00

specifications plasticwarelabsuppy:

  • brand: Chemglass
  • mpn: Cg-4522-02
  • model: Chemglass Cg-4522-02
  • part type: Valve Check Arm
  • unit type: Unit
  • country of origin: United States

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  • options: Ship-to-home
  • started: June 6, 2026
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  • quantity: 1
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  • condition: Used
  • Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware
part type: valve check arm, unit type: unit, country of origin: united states,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 14027308523779604,
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  • Used. Offer #1 priced at $149.00 + $0.00 shipping estimate = $149.00* total. Commonly used when evacuating and purging glassware or reaction apparatus with nitrogen, argon, or other inert gas.FREE SHIPPING

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