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Honeywell Maxon electromechanical shutoff valves for gas service feature a powerful closing spring that provides closure in less than one second.
Pick your model from the chart below. Need other materials, sizes, or a vent valve? Call us.
Honeywell Maxon electromechanical safety valves shut off gas lines in less than one second. All shut-off valves come equipped with Maxon's long-lasting metal-to-metal seating. A variety of optional body materials and body connections provide reliable operation even for highly corrosive fuels and for oxygen.
Application flexibility is provided with 3/4" through 6" diameter line sizes, Cv flow factors up to 1230, and line pressures up to 125 PSIG (8.6 bar)
- 3/4" to 6" line sizes; Line pressures up to 125 PSIG
- Visual position indication standard
- Normally closed shutoff valves and normally open vent valves available
- Overtravel position switches for open and closed position
- General purpse approval standard; Also available with hazardous location approvals for use in non-incendive Class 1, Div 2 areas
- Electrically actuated valves with powerful closing spring provide closure in less than one second
- Designed to meet Fluid Control Institute (FCI) 70-2 control valve standard for Class VI seat leakage
- FM, CSA, UL, and CE approved; Full assessment to IEC 61508 as SIL 3 capable
- Top assembly standard in right position; Field-rotatable in 90° increments to fit your appllication. (Watch A.J.'s demonstration to see how easy it is.)
- Replaces Maxon 5000 (5000, 5000-NI, 5000-CP, 5000-NI-CP), STO (STO-A, STO-M, STO-A-NI, STO-M-NI, STO-A-CP, STO-A-NI-CP, STO-M-NI-CP) and 808 (808, 808-NI, 808-CP, 808-NI-CP) series valves
Model Selection Guide
Use this table to find the right model for your application. Don't see the valve body size or material options you need? Call a Lesman sales specialist at 800-953-7626
Valve Size | Connection Type |
Valve Cv |
Operating Pressure Differential | Acuator Timing | Click for Price and Availability | |
---|---|---|---|---|---|---|
1 Proof-of-Open, 1 Proof-of-Closure | 2 Proof-of-Open, 2 Proof-of-Closure | |||||
Normally Closed Electromechanical Safety Shut-Off Valves with Automatic Reset for Natural Gas Service. NEMA 4 General Purpose Cast Iron Body, 400 Stainless Steel Seat, Hardened Ductile Iron Disc, PEEK Follower Ring, Buna N O-Rings and Bumper. Right Top Assembly Position. | ||||||
3/4" (DN20) | NPT Threaded | 19 | 125 PSIG Max. | 6 Seconds | 075SMA11-AA11-BB21A0-NAT-R | 075SMA11-AA11-BB22A0-NAT-R |
1" (DN25) | NPT Threaded | 20 | 125 PSIG Max. | 6 Seconds | 100SMA11-AA11-BB21A0-NAT-R | 100SMA11-AA11-BB22A0-NAT-R |
1-1/4" (DN32) | NPT Threaded | 45 | 100 PSIG Max. | 6 Seconds | 125SMA11-AA11-BB21A0-NAT-R | 125SMA11-AA11-BB22A0-NAT-R |
1-1/2" (DN40) | NPT Threaded | 53 | 70 PSIG Max. | 6 Seconds | 150SMA11-AA11-BB21A0-NAT-R | 150SMA11-AA11-BB22A0-NAT-R |
2" (DN50) | NPT Threaded | 86 | 70 PSIG Max. | 6 Seconds | 200SMA11-AA11-BB21A0-NAT-R | 200SMA11-AA11-BB22A0-NAT-R |
2-1/2" (DN65) | NPT Threaded | 127 | 40 PSIG Max. | 6 Seconds | 250SMA11-AA11-BB21A0-NAT-R | 250SMA11-AA11-BB22A0-NAT-R |
2-1/2" (DN65) | NPT Threaded | 304 | 50 PSIG Max. | 6 Seconds | 250CMA11-AA11-BB21A0-NAT-R | 250CMA11-AA11-BB22A0-NAT-R |
2-1/2" (DN65) | ANSI Flanged | 304 | 50 PSIG Max. | 6 Seconds | 250CMA11-BA11-BB21A0-NAT-R | 250CMA11-BA11-BB22A0-NAT-R |
3" (DN80) | NPT Threaded | 173 | 30 PSIG Max. | 6 Seconds | 300SMA11-AA11-BB21A0-NAT-R | 300SMA11-AA11-BB22A0-NAT-R |
3" (DN80) | NPT Threaded | 423 | 40 PSIG Max. | 6 Seconds | 300CMA11-AA11-BB21A0-NAT-R | 300CMA11-AA11-BB22A0-NAT-R |
3" (DN80) | ANSI Flanged | 423 | 40 PSIG Max. | 6 Seconds | 300CMA11-BA11-BB21A0-NAT-R | 300CMA11-BA11-BB22A0-NAT-R |
4" (DN100) | ANSI Flanged | 490 | 40 PSIG Max. | 6 Seconds | 400CMA11-BA11-BB21A0-NAT-R | 400CMA11-BA11-BB22A0-NAT-R |
4" (DN100) | ANSI Flanged | 719 | 60 PSIG Max. | 12 Seconds | 400HMA11-BA11-BB31A0-NAT-R | 400HMA11-BA11-BB32A0-NAT-R |
Valve Function | Safety Shutoff, Vent Valve |
---|---|
Operation | Normally Closed |