Safety/Pressure Relief Valves
Subcategories
Product
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Size
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Body Material
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Connection
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Maximum Temperature
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Maximum Working Pressure
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Dimensions (HxL)
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Diameter Ø
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Certification
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Size Inlet x Outlet
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Valve Series
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S316 | 1/2" Male NPT x 1/2" Tube OD | V63 Series | |||||||||
S316 | 1/2" Male NPT x 12mm Tube OD | V63 Series | |||||||||
S316 | 1/4" Male NPT x 1/4" Female NPT | V63 Series | |||||||||
S316 | 3/8" Male NPT x 3/8" Female NPT | V63 Series | |||||||||
S316 | 1/2" Male NPT x 1/2" Female NPT | V63 Series | |||||||||
S316 | 1/4" Male ISO 7/1 x 1/4" Female ISO 7/1 | V63 Series | |||||||||
S316 | 3/8" Male ISO 7/1 x 3/8" Female ISO 7/1 | V63 Series | |||||||||
S316 | 1/2" Male ISO 7/1 x 1/2" Female ISO 7/1 | V63 Series | |||||||||
S316 | 1/4" Tube OD x 1/4" Tube OD | V63 Series | |||||||||
S316 | 6mm Tube OD x 6mm Tube OD | V63 Series | |||||||||
S316 | 8mm Tube OD x 8mm Tube OD | V63 Series | |||||||||
S316 | 1/2" Tube OD x 1/2" Tube OD | V63 Series | |||||||||
S316 | 12mm Tube OD x 12mm Tube OD | V63 Series | |||||||||
S316 | 1/2" Male NPT x 1/2" Tube OD | V66 Series | |||||||||
S316 | 1/2" Male NPT x 12mm Tube OD | V66 Series | |||||||||
![]() DK-Lok V66 Series Relief Valve, 1/4" Male NPT x 1/4" Female NPT, S316, V66-MF-4N-SV66-MF-4N-S
KWD 35.000
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S316 | 1/4" Male NPT x 1/4" Female NPT | V66 Series |

Description
Safety/Pressure Relief Valves are critical components in industrial systems, designed to prevent over-pressurization and ensure the safe operation of pipelines and equipment. These valves provide reliable pressure relief by automatically releasing excess pressure when it exceeds the preset limit, protecting your system from potential damage or failure. Constructed with high-quality stainless steel (S316), these valves are highly durable, corrosion-resistant, and suitable for use in demanding environments, including chemical processing, oil and gas, and industrial manufacturing. Their compact design and precision engineering make them ideal for various industrial applications, ensuring consistent performance and peace of mind in pressure-critical systems. Whether you are upgrading your current system or installing a new one, these Safety/Pressure Relief Valves provide a reliable solution for optimal system safety and efficiency.