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Universal.
Across All Industries.
Winco.

3.5 Controlling, Venting, Sealing of Liquids and Gases

Fluid Sight Glasses, Fluid Level Indicators, Threaded Plugs, Fluid Drain Valves, Breather Caps, Breather Valve Caps, Seals

3.5 Controlling, Venting, Sealing of Liquids and Gases

Application Examples

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Rotary Vane Vacuum Pump

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Process Pump
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Rotary Piston Gas Meter

Product Overview

Fluid Sight Glasses (29) Fluid Level Indicators (11) Threaded Plugs (32) Fluid Drain Valves (3) Breather Caps, Breather Valve Caps (27) Seals (3) Show all (105)

Your Contact

You are looking for a Winco partner near you?

JW Winco Services

Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM Central Time

1-800-877-8351 sales@jwwinco.com
Request Callback

Important: Pricing

Attention Valued Customer,
 
Beginning February 16, 2026, we will implement a price adjustment. Some items will have a price decrease, while others will increase. The adjustment helps ensure our commitment to providing our customers with the best products and services.
 
We will honor current published prices through February 15, 2026.

Customers with pricing agreements will not be effected until annual pricing is reviewed.