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Pneumatic Check Valves

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#6430061
AK4000-F03
SMC AK4000-F03 AK series check valve with 3/8 in. port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring unidirectional flow control.
Brand SMC
Model AK4000-F03
$22.93 Each
Free shipping
#6430805
AKB01A-N01S
SMC AKB01A-N01S AKB series check valve with 1/8 in. port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKB01A-N01S
$16.01 Each
Free shipping
#6433097
HRZ-S0004
SMC HRZ-S0004 refrigerated thermo-cooler with water-cooled refrigeration circulation. Circulates clear or deionized water. Main tank capacity approximately 15 liters; circulating fluid recovery tank approximately 16 liters. Designed for precision cooling in industrial automation applications.
Brand SMC
Model HRZ-S0004
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#6433933
HRZ-S0027
SMC HRZ-S0027 HRZ series refrigerated thermo-cooler is a high performance device for circulating fluid with a constant temperature. Available in 3 temperature range designs for operating temperature needs. No ventilation holes on right or left sides allow tight fitting installation.
Brand SMC
Model HRZ-S0027
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#6434597
HRZ-S0039
SMC HRZ-S0039 HRZ series refrigerated thermo-cooler (thermo-chiller) for circulating fluid at constant temperature. Available in three temperature range designs. No ventilation holes on sides for tight installation.
Brand SMC
Model HRZ-S0039
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#6434719
HRZ-S0349
SMC HRZ-S0349 refrigerated thermo-cooler is a high performance chiller for circulating fluid at a constant temperature. It features no ventilation holes on the sides for tight installation. Available in multiple temperature range designs.
Brand SMC
Model HRZ-S0349
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#6434745
HRZ-S0129
SMC HRZ-S0129 Refrigerated Thermo-Cooler provides precise temperature regulation for pneumatic systems in industrial automation. This advanced unit enhances efficiency and reliability by maintaining optimal operating temperatures.
Brand SMC
Model HRZ-S0129
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#6434942
AKH03B-U10/32
SMC AKH03B-U10/32 is an AKH series check valve with one-touch fitting, straight type, designed for easy installation in pipelines. Compact and lightweight with low cracking pressure. Suitable for pneumatic systems requiring reliable flow control.
Brand SMC
Model AKH03B-U10/32
$13.09 Each
Free shipping
#6435065
AKH13A-N04S
SMC AKH13A-N04S AKH series check valve with one-touch fitting, straight type, for easy pipeline installation. Compact and lightweight design with low cracking pressure. NPT 1/2 in. port. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKH13A-N04S
$27.75 Each
Free shipping
#6435119
HRZ-S0001
SMC HRZ-S0001 HRZ series refrigerated thermo-cooler circulates fluid at constant temperature. Available in three temperature range designs for various operating needs. No ventilation holes on sides allows tight installation.
Brand SMC
Model HRZ-S0001
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#6435168
HRZ-S0002
SMC HRZ-S0002 Refrigerated Thermo-Cooler is a high-performance pneumatic check valve designed to enhance system efficiency and reliability. It ensures precise air control in pneumatic applications.
Brand SMC
Model HRZ-S0002
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#6435442
HRZ-S0154
SMC HRZ-S0154 refrigerated thermo-cooler with water-cooled refrigeration circulation. Main tank capacity approximately 15 liters, circulating fluid recovery tank approximately 16 liters. Designed for clear water or deionized water circulation.
Brand SMC
Model HRZ-S0154
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#6436481
AK6000-N06
SMC AK6000-N06 is a check valve from the AK series, featuring a 3/4 in. NPT port. The AK/AKH/AKB series offers compact, lightweight check valves with low cracking pressure for pneumatic systems. The AK6000-N06 is a male connector type, easily installed in pipelines.
Brand SMC
Model AK6000-N06
$44.99 Each
Free shipping
#6436850
HRZ-EP002
SMC HRZ-EP002 Refrigerated Thermo-Cooler provides efficient temperature control for pneumatic systems. Designed for industrial applications, it leverages SMC's expertise in pneumatic technology for reliable cooling performance.
Brand SMC
Model HRZ-EP002
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#6437161
HRZ-S0101
SMC HRZ-S0101 refrigerated thermo-cooler is a high performance device for circulating fluid with constant temperature. Available in three temperature range designs. No ventilation holes on right or left sides allow tight fitting installation.
Brand SMC
Model HRZ-S0101
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#6437321
HRZ-S0213
SMC HRZ-S0213 refrigerated thermo-cooler is a water-cooled circulation unit designed for clear water or deionized water. It features a main tank capacity of approximately 15 liters and a circulating fluid recovery tank of approximately 16 liters. Ideal for precision cooling in industrial applications.
Brand SMC
Model HRZ-S0213
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#6438245
AKH13B-N04S
SMC AKH13B-N04S AKH series check valve with one-touch fitting, straight type, 1/2 in. port. Compact and lightweight design with low cracking pressure for pneumatic systems.
Brand SMC
Model AKH13B-N04S
$29.39 Each
Free shipping
#6438267
AKB04B-N04S
SMC AKB04B-N04S AKB series check valve with 1/2 in. NPT port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKB04B-N04S
$27.27 Each
Free shipping
#6439850
HRZ-EP001
SMC HRZ-EP001 Refrigerated Thermo-Cooler provides precise temperature control for pneumatic systems. This unit maintains optimal operating conditions for industrial processes requiring consistent cooling. Designed for reliability in automation environments.
Brand SMC
Model HRZ-EP001
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#6441830
HRZ-S0036
SMC HRZ-S0036 refrigerated thermo-cooler is a high performance chiller for circulating fluid at constant temperature. Available in three temperature range designs. No ventilation holes on sides allow tight fitting installation.
Brand SMC
Model HRZ-S0036
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#6442205
AKB01B-01S
SMC AKB01B-01S AKB series check valve. Compact and lightweight design with low cracking pressure. The male connector type allows easy installation in pipelines. Suitable for pneumatic systems requiring reliable one-way flow control.
Brand SMC
Model AKB01B-01S
$16.01 Each
Free shipping
#6442308
AKB03B-N03S
SMC AKB03B-N03S AKB series check valve with male connector, 3/8 in. port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKB03B-N03S
$23.86 Each
Free shipping
#6443121
HRZ-S0006
SMC HRZ-S0006 Refrigerated Thermo-Cooler is a state-of-the-art pneumatic component designed to efficiently manage the temperature of air in various industrial applications. This high-performance thermo-cooler utilizes advanced refrigeration technology to cool compressed air, ensuring optimal performance and longevity of downstream equipment.
Brand SMC
Model HRZ-S0006
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#6443256
SY30M-24-1A
SMC SY30M-24-1A SY3000 5-port solenoid valve with Rc1/8 port. The redesigned SY series offers up to 80% higher flow than previous models, allowing valve size reduction. A built-in strainer in the pilot valve prevents trouble. Suitable for pneumatic control systems.
Brand SMC
Model SY30M-24-1A
$8.52 Each
Free shipping
#6443354
AKH07A-N01S
SMC AKH07A-N01S AKH series check valve with one-touch fitting, straight type, for easy installation in pipelines. Compact and lightweight design with low cracking pressure. 1/8 in. port size. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKH07A-N01S
$14.90 Each
Free shipping
#6443841
AKB04B-04S
SMC AKB04B-04S AK series check valve with 1/2 in. port. Compact and lightweight design with low cracking pressure. Brass body construction for durability in pneumatic systems. Suitable for inline installation to prevent backflow.
Brand SMC
Model AKB04B-04S
$27.27 Each
Free shipping
#6443920
HRZ-S0149
SMC HRZ-S0149 refrigerated thermo-cooler with water-cooled refrigeration circulation. Designed for clear water or deionized water, it features a main tank capacity of approximately 15 liters and a circulating fluid recovery tank of approximately 16 liters. Ideal for precision temperature control in industrial applications.
Brand SMC
Model HRZ-S0149
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#6445136
AKM2000-N02-A
SMC AKM2000-N02-A is an FRL accessory spacer designed for use with AC-A series modular F.R.L. units. This spacer allows proper spacing between modular components in five available sizes. Compatible with the AC-A modular line, it supports efficient air preparation with reduced pressure drop and a maximum set pressure of 100 psi.
Brand SMC
Model AKM2000-N02-A
$28.35 Each
Free shipping
#6445484
AKH11A-N03S
SMC AKH11A-N03S AKH series check valve with one-touch fitting, straight type, NPT 3/8 port. Compact and lightweight design with low cracking pressure for reliable backflow prevention in pneumatic systems.
Brand SMC
Model AKH11A-N03S
$23.81 Each
Free shipping
#6445685
HRZ-DF002
SMC HRZ-DF002 HRZ series refrigerated thermo-cooler is a high performance device for circulating fluid with a constant temperature. Available in 3 temperature range designs for optimal selection. No ventilation holes on the sides allow tight fitting installation.
Brand SMC
Model HRZ-DF002
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#6445841
AKM2000-N01
SMC AKM2000-N01 FRL accessory spacer prevents reverse flow of lubricant oil from the lubricator, enabling easy maintenance in modular airline systems. Designed for use with SMC FRL units, this spacer ensures proper spacing and alignment between filter, regulator, and lubricator components.
Brand SMC
Model AKM2000-N01
$28.35 Each
Free shipping
#6446403
AKH09B-N02S
SMC AKH09B-N02S AKH series check valve with one-touch fitting, straight type, for easy installation in pipelines. Compact and lightweight design with low cracking pressure. Port size 1/4 in. (NPT).
Brand SMC
Model AKH09B-N02S
$16.66 Each
Free shipping
#6447917
AKH04B-M5
SMC AKH04B-M5 AKH series check valve with one-touch fitting, straight type, M5 port. Compact and lightweight design with low cracking pressure. Easily installed in pipelines. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AKH04B-M5
$13.09 Each
Free shipping
#6448426
ASP330F-N01-06S
SMC ASP330F-N01-06S speed controller with check valve provides precise pneumatic flow regulation. This inline unit features a compact, lightweight design suitable for heavy-duty applications. Locking nut included for secure setting. Ideal for controlling actuator speed in automation systems.
Brand SMC
Model ASP330F-N01-06S
$40.43 Each
Free shipping
#6448608
AKH07B-U10/32
SMC AKH07B-U10/32 AKH series check valve with one-touch fitting, straight type. Compact and lightweight design with low cracking pressure for easy pipeline installation. Part of the AK/AKH/AKB family offering various configurations for diverse operating conditions.
Brand SMC
Model AKH07B-U10/32
$14.65 Each
Free shipping
#6448805
HRZ-S0156
SMC HRZ-S0156 refrigerated thermo-cooler (thermo-chiller) for circulating fluid with constant temperature. High performance device available in multiple temperature range designs. No ventilation holes on sides for tight fitting installation.
Brand SMC
Model HRZ-S0156
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#6450278
HRZ-S0030
SMC HRZ-S0030 refrigerated thermo-cooler is a high performance chiller for circulating fluid at a constant temperature. Available in three temperature range designs, it suits various operating needs. The unit features no ventilation holes on the sides for tight fit installation.
Brand SMC
Model HRZ-S0030
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#6450537
VR1350-02
SMC VR1350-02 Check Valve is a pneumatic inline check valve designed to prevent backflow and ensure unidirectional flow of air or gases. Suitable for industrial automation systems, it provides reliable fluid control in pneumatic circuits.
Brand SMC
Model VR1350-02
$25.05 Each
Free shipping
#6450633
AK2000-F02
SMC AK2000-F02 AK Series check valve with 1/4 in. port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring unidirectional flow control. Inline installation.
Brand SMC
Model AK2000-F02
$16.55 Each
Free shipping
#6450703
AK4000-N03
SMC AK4000-N03 AK Series check valve with NPT 3/8 in. port. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model AK4000-N03
$21.65 Each
Free shipping
#6460161
AKP-LB06-G02
SMC AKP-LB06-G02 is a check valve designed for use with AK, AKM, AKH, and AKB series. It features a compact and lightweight design with low cracking pressure. The valve has a 1/4 in. port size and is suitable for pneumatic applications requiring reliable one-way flow control.
Brand SMC
Model AKP-LB06-G02
$66.22 Each
Free shipping
#6462964
AKP-UB08E-G02
SMC AKP-UB08E-G02 check valve for AK/AKM/AKH/AKB series. Compact and lightweight design with low cracking pressure. 1/4 in. port size. Suitable for pneumatic systems requiring reliable flow control.
Brand SMC
Model AKP-UB08E-G02
$73.57 Each
Free shipping
#6463096
AKP-LB06-02S
SMC AKP-LB06-02S is a check valve for AK/AKM/AKH/AKB series pneumatic systems. It features a 6mm tube connection and Rc1/4 port. The compact, lightweight design offers low cracking pressure. Suitable for inline installation in pipelines.
Brand SMC
Model AKP-LB06-02S
$66.22 Each
Free shipping
#6463528
AKP-UB06E-G01
SMC AKP-UB06E-G01 check valve for AK/AKM/AKH/AKB series. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable one-way flow control.
Brand SMC
Model AKP-UB06E-G01
$70.15 Each
Free shipping
#6464519
AKP-LB06E-G02
SMC AKP-LB06E-G02 check valve from the AK/AKM/AKH/AKB series. Compact and lightweight design with low cracking pressure. Suitable for pneumatic systems requiring reliable one-way flow control.
Brand SMC
Model AKP-LB06E-G02
$73.57 Each
Free shipping
#6465273
AKP-LB09-N02S
SMC AKP-LB09-N02S is a check valve from the AK/AKM/AKH/AKB series. It features a compact and lightweight design with low cracking pressure. The male connector type is easily installed in pipelines. This valve has an NPT 1/8 in. port and is suitable for pneumatic applications.
Brand SMC
Model AKP-LB09-N02S
$66.22 Each
Free shipping
#6465611
XTO-674-03A
SMC XTO-674-03A pneumatic check valve ensures unidirectional flow in compressed air systems. Designed for reliable backflow prevention, this valve is suitable for a wide range of pneumatic automation applications. The XTO-674-03A features robust construction for long service life in industrial environments.
Brand SMC
Model XTO-674-03A
$29.91 Each
Free shipping
#6465822
25A-AKH06-00
SMC 25A-AKH06-00 AKH series check valve with one-touch fitting, straight type. Compact and lightweight design with low cracking pressure. Easily installed in pipelines. Suitable for pneumatic systems requiring reliable backflow prevention.
Brand SMC
Model 25A-AKH06-00
$23.49 Each
Free shipping
#95822479
SHCV1-F4N-10P
Superlok SHCV1-F4N-10P SHCV High Pressure Check Valve 1/4"F NPT - 6K Threaded In-Line Check Valve - 10 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCV1-F4N-10P
$63.18 Each
Free shipping
#95822486
SHCV1-S2-.3P
Superlok SHCV1-S2-.3P SHCV High Pressure Check Valve 1/8"T - 6K Threaded In-Line Check Valve - .3 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCV1-S2-.3P
$69.13 Each
Free shipping
#95822493
SHCV2-M6N-25P
Superlok SHCV2-M6N-25P SHCV High Pressure Check Valve 3/8"M NPT - 6K Threaded In-Line Check Valve - 25 PSI Spring - 316 Stainless Steel
Brand Superlok
Model SHCV2-M6N-25P
$83.43 Each
Free shipping
#95822512
SHCVI2-S6-10P
Superlok SHCVI2-S6-10P SHCV High Pressure Check Valve 3/8"T - 6K Tube End In-Line Check Valve - 10 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCVI2-S6-10P
$88.46 Each
Free shipping
#95822517
SHCVI2-S6-M6N-1P
Superlok SHCVI2-S6-M6N-1P SHCV High Pressure Check Valve 3/8"T X 3/8"M NPT - 6K Tube End In-Line Check Valve -1 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCVI2-S6-M6N-1P
$91.89 Each
Free shipping
#95822521
SHCVI2-S8-25P
Superlok SHCVI2-S8-25P SHCV High Pressure Check Valve 1/2"T - 6K Tube End In-Line Check Valve - 25 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCVI2-S8-25P
$95.75 Each
Free shipping
#95822526
SHCVI3-S16-1P
Superlok SHCVI3-S16-1P SHCV High Pressure Check Valve 1"T - 6K Tube End In-Line Check Valve - 1 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SHCVI3-S16-1P
$248.61 Each
Free Shipping orders over $100
#95822980
SOCV2-F4N-1P-SS
Superlok SOCV2-F4N-1P-SS 1/4"F NPT - 1 Piece Check Valve - 3, 000 PSI - 1 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SOCV2-F4N-1P-SS
$57.19 Each
Free shipping
#95823018
SPCVI-S12-10P
Superlok SPCVI-S12-10P 3/4"T - 3K Tube End SPCV In-Line Check Valve - 10 PSI Crack - 2 Ferrule - 316 Stainless Steel
Brand Superlok
Model SPCVI-S12-10P
$241.72 Each
Free Shipping orders over $100
#95823019
SPCVI-S12-1P
Superlok SPCVI-S12-1P 3/4"T - 3K Tube End SPCV In-Line Check Valve - 1 PSI Crack - 2 Ferrule - 316 Stainless Steel
Brand Superlok
Model SPCVI-S12-1P
$241.72 Each
Free Shipping orders over $100
#95823029
SPCVI-S8-25P
Superlok SPCVI-S8-25P 1/2"T - 3K Tube End SPCV In-Line Check Valve - 25 PSI Crack - 2 Ferrule - 316 Stainless Steel
Brand Superlok
Model SPCVI-S8-25P
$92.49 Each
Free shipping
#95823031
SPCV-M4N-1P
Superlok SPCV-M4N-1P 1/4"M NPT - 3K SPCV In-Line Check Valve - 1 PSI Crack - 316 Stainless Steel
Brand Superlok
Model SPCV-M4N-1P
$54.35 Each
Free shipping