Learn More
Thermo Scientific™ Nalgene™ HDPE Vacuum Check Valve and Positive Connector

Description
Prevent back pressure with aspirator-type vacuum pumps using the Thermo Scientific™ Nalgene™ Vacuum Check Valve and Pressure Connector. Designed for use with 1/4 in. (6.35mm) to 5/16 in. (7.94mm) ID tubing, they work best between 10- and 28- in. Hg.
- Two-piece design is easy to disassemble for cleaning
- Silicone diaphragm prevents back pressure
Note:
Not for use with liquids.
Limited warranty period: Subject to all warranty requirements and exclusions set out in our Terms and Conditions of Sale, this product is warranted from the date we ship the product and for ninety (90) days thereafter.
Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.
Specifications
Specifications
| Description | Vacuum Check Valve and positive connector |
| Diameter (English) Inner | 1/4 to 5/16 in. |
| Diameter (Metric) Inner | 6.35 to 7.94 mm |
| Material | HDPE |
| Overall Length (English) | 0.75 in. |
| Overall Length (Metric) | 19.05 mm |
| Packaging Quantity | 6 |
| Vacuum Level | 10 in. Hg, 28 in. Hg |
| Product Type | Vacuum Check Valve Connector |
By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.