Humphrey Product
Description
Humphrey 1/4 pipe QE2 quick exhaust valve is versatile. Product redirects exhausting air to its high flow 3/8 pipe exhaust port by sensing pressure differential. May be used as a shuttle valve, or achieve excellent check or flow control function with addition of plug or orifice. Compact body has high flow capacity. Molded shuttle outperforms competitive sheet stock types.
Specifications
Media: Air, Inert Gas
Valve Function: Quick Exhaust
Piping Type: Inline, Direct Piping
Port Size: 1/4 NPT
Number of Ports: 3 ports
Number of Positions: 2 positions
Options Included: Use as Shuttle Valve, Plug EXH port for use as Check Valve
Approx Size (in) HxWxD: 2.38 x 1.5 x 2.08
Type of Operation: Pressure Differential
Flow - SCFM @ 100 psig: 120
Flow - LPM @ 6.9 bar: 3398
ESEOD (orifice) - in (mm): 0.333 (8.46)
Flow Coefficient (Cv): 2.00
Lubrication: Not required
Pressure Range (psi): 3-150
Ambient Temperature Range (°F): -25~180
Wetted Materials: Zinc diecast, Buna N
Weight (oz): 5.0
*Please note that image representation may only represent a product series with particular items. The buyers responsibility is to ensure the product SKU matches their specifications before purchase.
Shipping
We can ship to virtually any address worldwide. Some products carry shipping restrictions, and certain items cannot be shipped to international destinations.
Unless otherwise noted, all shipments are FOB Shipping Point.
Shipping rates for many items are weight-based. Item weights are rounded up to the next full pound, consistent with our carriers' policies.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We will also cover return shipping costs if the return is the result of our error — for example, if you received an incorrect or defective item.
Refunds are typically issued within four weeks of the date you give your package to the return shipper. This period covers:
● Transit time for the returned item to reach us (5–10 business days)
● Processing time once we receive your return (3–5 business days)
● Time for your bank to process the refund (5–10 business days)
If you need to return an item, please contact us with your order number and details about the product you would like to return. We will respond promptly with instructions for returning the item.
All returns require prior approval and a Return Merchandise Authorization (RMA) number issued by Flow Dynamics & Automation, Inc.. Returns made outside the 30-day window described above, or that are not the result of our error, must be new and unopened and are subject to a 25% restocking fee.
