H-10742W WEBS INLINE SPRING CHECK VLV BRS 1/2"FIP MAX 250F LEADFREE 2019372

The Webstone H-10742W In-Line Spring Check Valve offers durable, corrosion-resistant performance with precision flow control and soft-seated sealing for hydronic and plumbing applications.

Engineered for reliability and efficiency, this forged DZR (Dezincification-Resistant) brass check valve features a stainless steel spring and FKM (Viton®) soft seat to ensure tight sealing and long service life. Designed for use in potable water, hydronic heating, and general fluid systems, the H-10742W provides dependable backflow prevention with low cracking pressure.

• Model number H-10742W identifies this Webstone In-Line Spring Check Valve constructed from forged DZR brass for superior corrosion resistance and strength.
• Incorporates a stainless steel spring and FKM (Viton®) soft seat to maintain reliable sealing and smooth flow operation.
• Designed for horizontal or vertical installations with flow in one direction, preventing backflow and system contamination.
• Suitable for use in hydronic heating, potable water, and general plumbing systems.

Technical Data & Specifications

• Manufacturer: Webstone, a brand of NIBCO
• Model Number: H-10742W
• Product Type: In-Line Spring Check Valve
• Material: Forged DZR (Dezincification-Resistant) Brass
• Spring Material: Stainless Steel
• Seat Material: FKM (Viton®) Soft Seat
• Design Type: In-line, spring-loaded check valve
• Function: Prevents reverse flow and protects system components
• Cracking Pressure: Low-pressure opening for efficient flow (typically ≤ 1 psi)
• End Connection Type: Threaded or solder (varies by model configuration)
• Flow Direction: Unidirectional; marked with cast flow arrow on body
• Operating Pressure: Up to 400 psi (non-shock, water, oil, or gas)
• Operating Temperature Range: 0°F to 250°F (-18°C to 121°C), depending on application and media
• Mounting Orientation: Horizontal or vertical (upward flow only)
• Body Finish: Natural brass
• Seal Compatibility: Suitable for potable water, glycol solutions, and compatible HVAC fluids
• Compliance: NSF/ANSI 61 & 372 certified for lead-free compliance
• Warranty: Webstone Limited Warranty against material and manufacturing defects

Features & Benefits

• Forged DZR brass body resists dezincification and corrosion for long-term reliability.
• Soft-seat FKM seal provides bubble-tight closure to prevent backflow leakage.
• Stainless steel spring ensures smooth, consistent operation and quick closure.
• Compact, in-line design allows flexible installation in tight piping systems.
• Suitable for hydronic, plumbing, and potable water systems.
• Lead-free construction meets NSF/ANSI 61 and 372 standards for safe water applications.