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Threaded Ball Valves

Compact footprint, fewer leak paths, direct-mount
ready options & dependable everyday line isolation.

 

H21N Series

1000 WOG | Stainless
General Service,
Manual Operation

Handle Only
NPT
1000 WOG
1/4″- 3″

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M21N Series

1000 WOG / Stainless Steel
General Service,
Automation Ready

Direct Mount
NPT
1000 WOG
1/4″- 4″

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M22N Series

2000 WOG | Stainless & Carbon
Higher Pressure,
Sealed Body Construction

Direct Mount
Sealweld, NPT
2000 WOG
1/4″- 2″

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2-Pc Ball Valve Case Studies

6″ Delta T Ductile Iron Lug Butterfly Valve Tee Assembly w/ MT Series Pneumatic Actuator, Linkage, Limit Switch, & Solenoid Valve 050/051 SeriesCase StudiesLimit SwitchesMT SeriesSolenoid Valves
September 30, 2026

6″ Delta T Ductile Iron Lug Butterfly Valve Tee Assembly w/ MT Series Pneumatic Actuator, Linkage, Limit Switch, & Solenoid Valve

Three-Way Flow Control Without the Multiport Ball Valve For larger-diameter piping systems, achieving three-way flow control with a multiport ball valve can quickly become an expensive solution. For this application, Max-Air provided an alternative: a ductile iron tee fitted with two 6" Delta T 051…
Max-Air Technology
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Full Port Stainless Steel Multiport Ball Valve w/ Socket Weld Ends, TFM Seats, Class 800 Rating, & ISO 5211 Mounting Pad Case StudiesMM1F Series
September 30, 2026

Full Port Stainless Steel Multiport Ball Valve w/ Socket Weld Ends, TFM Seats, Class 800 Rating, & ISO 5211 Mounting Pad

When standard valve configurations don’t fit the requirements of an application, the right combination of materials, connections, and valve design can make the difference. This custom full-port stainless steel multiport ball valve was configured with socket weld ends, four TFM seats, an 800 WOG rating,…
Max-Air Technology
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Chainwheel-Operated Butterfly Valve w/ Add-On Lockout Bucket — Data Center Chilled Water Line 050/051 Series250/251 Series650/651 SeriesCase StudiesGO Series
July 1, 2026

Chainwheel-Operated Butterfly Valve w/ Add-On Lockout Bucket — Data Center Chilled Water Line

A colocation data center needed a reliable way to isolate an 8" chilled water line feeding a critical redundant chiller during maintenance. The existing manual valve had no lockout provision and was mounted in a hard-to-reach spot, making safe LOTO procedures difficult. Max-Air supplied a…
Max-Air Technology
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3-PC 2000 WOG Ball Valves w/ Extended Butt Weld End Connections Automated w/ Pneumatic & Electric Actuators Case StudiesLimit SwitchesM32 SeriesMA SeriesMT SeriesSolenoid Valves
July 28, 2025

3-PC 2000 WOG Ball Valves w/ Extended Butt Weld End Connections Automated w/ Pneumatic & Electric Actuators

This is a fantastic example of our Extended Butt Weld End Connections available on our Sesto M32 Series 2000 WOG Ball Valves! These are being automated by our Max-Air Rack & Pinion and MA Series Max-Electric Actuators.
Max-Air Technology
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