W-PQ21X-16P
Automatic Air Vent Valves, Stainless Steel
Series W-PQ21X-16P high-performance automatic vent valves are designed for commercial and industrial hydronic heating systems. These valves provide efficient automatic air venting for water distribution systems, ensuring optimal system operation. Constructed with a durable stainless steel body and cover, each valve features a male NPT connection, silicone rubber seal, polyethylene float with valve plug, and an automatic air vent mechanism.
Ideal for glycol systems and liquid cooling applications, these valves also function as anti-vacuum devices and facilitate air separation and dispersal during fluid circulation. Available in sizes 3/8 to 1 inch. Maximum pressure of 232 psi (16 bar).
Features
- Stainless steel body and cover provide superior durability in demanding environments
- Automatic air vent mechanism eliminates trapped air, ensuring optimal system efficiency while reducing noise and preventing potential damage
- Ideal for glycol systems and liquid cooling applications, functioning as an anti-vacuum device
- Handles up to 232 psi (16 bar), suitable for rigorous commercial and industrial use
Literature
Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |