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The thermoplastic pressure relief valve protects equipment and systems against overpressures or sudden pressure surges. Able to handle highly corrosive or ultrapure liquids, it prevents pumps from dead-heading due to unexpected shut-offs downstream (also known as a "bypass relief valve"). It maintains back pressure in closed-loop systems to make pumps run more smoothly (also known as a back pressure valve.)
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Most extensive size range in the industry
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U-cup seals protect spring chamber while maintaining sensitive operation
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Designed for fewer flow restrictions and excellent flow capacity
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Repaired in line, easy maintenance
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Stainless Steel adjustment feature provides convenient relief pressure setting in the field
(Factory set at no additional charge)
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Series 79 Pneumatic
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Series 92 & 94 Electric
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Series 83 Electromni
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Chemical Processing
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Water & Wastewater
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Landfills
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Irrigation
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Food Processing
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Mining
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