---
type: product
schema_version: 1
stock_number: "74788-2"
canonical_url: "https://www.artisantg.com/PLC/74788-2/Humphrey-125-4E1-Air-Valve"
json_url: "https://www.artisantg.com/PLC/74788-2/Humphrey-125-4E1-Air-Valve.json"
generated_at: "2026-11-07T04:03:16.881Z"
last_updated: "2026-04-29T19:05:39.180-05:00"
---

# Humphrey 125-4E1 Air Valve

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Humphrey
- Model: 125-4E1
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1 lb
- Shipping dimensions: 10X5X5 in

## Categories

- Industrial Systems Equipment > Control Systems and Components > Valves (primary)

## Details

### Configuration

- Single-Solenoid Operator
- 4-Way
- Cylinder #1 Normally Open
- Cylinder #2 Normally Closed
- Cover Seal
- Exhaust Port Flow Control

Part Number: 125-4E1-21-36

## Images

- <https://www.artisantg.com/itemimages/humphrey_125_4e1_view1_202042013213.jpg>
- <https://www.artisantg.com/itemimages/humphrey_125_4e1_view2_202042013213.jpg>
- <https://www.artisantg.com/itemimages/humphrey_125_4e1_view3_202042013213.jpg>
- <https://www.artisantg.com/itemimages/humphrey_125_4e1_view4_202042013213.jpg>