S-455NL - 1-1/2" In-Line Check Valve - Bronze

• Durable, heavy-wall cast bronze design is ideal for commercial or industrial applications
• Spring-loaded silent closure operation
• The 1/2 lb cracking pressure spring rate permits faster low-pressure opening without sacrificing quick closure in backflow scenarios
• Bore-guided stem-poppet minimizes over-travel, reducing the chance of premature wear and failure
• Can be installed in the vertical or horizontal position
• Not for reciprocating air compressor installations
• Lead-free design is suitable for all state and federal public law (111-380) potable water installations
• cast bronze construction