{"id":1614,"date":"2025-12-11T03:30:56","date_gmt":"2025-12-11T03:30:56","guid":{"rendered":"https:\/\/stvvalve.com\/square-knife-gate-valve-150lb-dn500-epdm-seat\/"},"modified":"2025-12-11T03:32:58","modified_gmt":"2025-12-11T03:32:58","slug":"square-knife-gate-valve-150lb-dn500-epdm-seat","status":"publish","type":"post","link":"https:\/\/stvvalve.com\/es\/square-knife-gate-valve-150lb-dn500-epdm-seat\/","title":{"rendered":"Square Knife Gate Valve 150lb DN500 EPDM Seat"},"content":{"rendered":"
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The Square Knife Gate Valve 150lb DN500 with EPDM Seat represents the pinnacle of industrial valve technology for demanding applications. This robust valve combines exceptional cutting capability with reliable sealing performance, making it ideal for handling thick, abrasive media in challenging industrial environments. Designed for longevity and minimal maintenance, this valve delivers consistent performance even in the most demanding conditions.<\/p>\n
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Need This Valve for Your Industrial Application?<\/h3>\n

Our Square Knife Gate Valve is in stock and ready to ship. Get a customized quote based on your specific requirements.<\/p>\n

Request a Quote<\/a><\/p>\n<\/div>\n<\/section>\n

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Technical Specifications<\/h2>\n

The Square Knife Gate Valve 150lb DN500 is engineered to meet rigorous industrial standards. Below are the detailed specifications that make this valve suitable for a wide range of applications where reliable performance is critical.<\/p>\n

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Specification<\/td>\nValue<\/td>\n<\/tr>\n<\/thead>\n
Size<\/td>\nDN500 (20 inches)<\/td>\n<\/tr>\n
Pressure Rating<\/td>\n150lb (PN10)<\/td>\n<\/tr>\n
Body Material<\/td>\nDuctile Iron<\/td>\n<\/tr>\n
Gate Material<\/td>\nStainless Steel 304\/316<\/td>\n<\/tr>\n
Seat Material<\/td>\nEPDM<\/td>\n<\/tr>\n
Stem Material<\/td>\nStainless Steel 304<\/td>\n<\/tr>\n
Connection Type<\/td>\nFlanged (PN10\/150lb)<\/td>\n<\/tr>\n
Face-to-Face Dimension<\/td>\n110mm<\/td>\n<\/tr>\n
Operating Temperature<\/td>\n-15\u00b0C to 110\u00b0C (5\u00b0F to 230\u00b0F)<\/td>\n<\/tr>\n
Operation<\/td>\nHandwheel with Rising Stem<\/td>\n<\/tr>\n
Design Standard<\/td>\nMSS SP-81, MSS SP-135<\/td>\n<\/tr>\n
Test Standard<\/td>\nISO 5208, Rate A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
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Need Complete Technical Documentation?<\/h3>\n

Download our comprehensive technical datasheet for detailed specifications, dimensions, and performance data.<\/p>\n

Download Technical Datasheet<\/a><\/p>\n<\/div>\n<\/section>\n

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Key Features and Benefits<\/h2>\n

Our Square Knife Gate Valve 150lb DN500 with EPDM Seat offers exceptional performance characteristics that make it the preferred choice for demanding industrial applications. These features translate to tangible benefits for your operations, including reduced downtime and lower maintenance costs.<\/p>\n

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Superior Cutting Performance<\/h3>\n

The knife-edge design allows the valve to cut through thick, fibrous, and abrasive media with ease. This makes it ideal for applications involving slurries, pulp, and other challenging materials that would damage conventional valves.<\/p>\n

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EPDM Seat Advantages<\/h3>\n

The EPDM seat provides excellent chemical resistance against a wide range of substances, including water, acids, alkalis, and ketones. It maintains its sealing properties across a broad temperature range (-15\u00b0C to 110\u00b0C), ensuring reliable performance in varying conditions.<\/p>\n<\/div>\n

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Zero Leakage Performance<\/h3>\n

The precision-engineered design and EPDM seat create a bidirectional seal that prevents leakage in both flow directions. This zero-leakage performance is critical for applications where product containment and environmental protection are essential.<\/p>\n

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Corrosion Resistance<\/h3>\n

The combination of ductile iron body with protective coating and stainless steel gate and stem provides excellent resistance to corrosion. This extends the valve’s service life even in harsh environments with corrosive media or external conditions.<\/p>\n<\/div>\n<\/div>\n

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Low Maintenance Requirements<\/h3>\n

The robust construction and self-cleaning design minimize maintenance needs. The valve’s through-conduit design prevents material buildup, while the durable components resist wear even in abrasive applications. This translates to lower maintenance costs and reduced downtime for your operations.<\/p>\n

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Experience These Benefits in Your Operation<\/h3>\n

Our engineering team can help you select the right valve configuration for your specific application requirements.<\/p>\n

Speak with an Engineer<\/a><\/p>\n<\/div>\n<\/section>\n

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Industry Applications<\/h2>\n

The Square Knife Gate Valve 150lb DN500 with EPDM Seat is versatile enough to handle a wide range of industrial applications where reliable flow control of challenging media is required. Its robust design makes it particularly suitable for the following industries:<\/p>\n

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Mining and Minerals<\/h3>\n

Ideal for handling mineral slurries, tailings, and other abrasive media common in mining operations. The knife-edge design cuts through solids while the durable construction withstands the harsh conditions typical of mining environments.<\/p>\n<\/div>\n

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Pulp and Paper<\/h3>\n

Perfect for controlling the flow of pulp stock, black liquor, and other fibrous materials in paper mills. The valve’s ability to cut through fibrous media without clogging makes it essential for maintaining consistent production in pulp and paper facilities.<\/p>\n<\/div>\n

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Wastewater Treatment<\/h3>\n

Extensively used in wastewater treatment plants for controlling the flow of raw sewage, sludge, and treated effluent. The valve’s bidirectional sealing capability and resistance to solids make it ideal for this challenging application.<\/p>\n<\/div>\n<\/div>\n

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Power Generation<\/h3>\n

Used in ash handling systems, cooling water circuits, and other applications in power plants where reliable flow control is critical. The valve’s durability and low maintenance requirements make it ideal for continuous operation in power generation facilities.<\/p>\n<\/div>\n

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Chemical Processing<\/h3>\n

The EPDM seat’s chemical resistance makes this valve suitable for many chemical processing applications. It effectively handles corrosive media while maintaining a tight seal to prevent leakage of potentially hazardous substances.<\/p>\n<\/div>\n<\/div>\n

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Not sure if this valve is right for your application?<\/p>\n

8615157766245<\/a><\/p>\n

Our valve experts are available to help you select the right solution<\/p>\n<\/div>\n<\/section>\n

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Installation and Maintenance Guidelines<\/h2>\n

Proper installation and maintenance are crucial for ensuring optimal performance and longevity of your Square Knife Gate Valve. Follow these guidelines to maximize the value of your investment:<\/p>\n

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Installation Best Practices<\/h3>\n