Spring loaded valves provide quick, secure action in piping and fluid systems, delivering reliable shutoff and backflow protection. This guide highlights five top spring loaded valve options, focusing on inline spring loaded check valves and related spring assisted designs from respected brands. Each product includes key features to help you compare performance, durability, and compatibility for common American piping setups.
Product Overview
| Product | Brand | Type | Key Benefit |
|---|---|---|---|
| Valterra 200-CU15 | Valterra | PVC Swing/Spring Check Valve, 1-1/2″ | Corrosion resistance and flexible seal for water and oils |
| Megairon 1″ NPT Female WOG1000 | Megairon | Spring Loaded In-line Check Valve | Low cracking pressure, robust stainless option |
| Midline Valve 372U422 | Midline Valve | Inline Spring Loaded Check Valve, 2″ | Lead-Free, ANSI-compliant connections |
| Valterra 200-CU20 | Valterra | PVC Swing/Spring Check Valve, 2″ | Strong corrosion resistance for larger lines |
| Midline Valve 372U234 | Midline Valve | Inline Spring Loaded Check Valve, 1/2″ | Compact, lead-free brass option with solid flow control |
Midline Valve 372U422 Inline Spring Loaded Check Valve
Brand: Midline Valve
Type: Inline Spring Loaded Check Valve, Backflow Prevention
Specs: Lead-Free, 2 in. FIP connections; Cast Brass body and disc; Dezincification resistant; ANSI B2.1 compliant thread ends.
Midline Valve 372U234 Inline Spring Loaded Check Valve
Brand: Midline Valve
Type: Inline Spring Loaded Check Valve, 1/2 in. FIP
Specs: Lead-Free, heavy-duty cast brass body and disc; corrosion resistant; ANSI-compliant threaded ends.
Valterra 200-CU15 PVC Swing/Spring Check Valve
Brand: Valterra
Type: PVC Swing/Spring Check Valve, 1-1/2″ Union
Specs: Schedule 40 PVC; EPDM seal; maximum pressure rating of 150 psi; corrosion and chemical resistance suitable for water and oils.
Valterra 200-CU20 PVC Swing/Spring Check Valve
Brand: Valterra
Type: PVC Swing/Spring Check Valve, 2″ Union
Specs: Schedule 40 PVC; EPDM seal; 150 psi max; designed for durable flow control in larger lines.
Megairon 1″ NPT Female WOG1000 Check Valve
Brand: Megairon
Type: Spring Loaded Inline Check Valve
Specs: 1000 PSI WOG ratings for water, oil, gas; NPT female ports; stainless steel options; operates at low cracking pressures for sensitive systems.
Buying Guide: Key Purchase Considerations
- Application compatibility: Determine whether your system uses PVC, brass, or stainless components, and match materials to resist corrosion and chemical exposure.
- Cracking and max pressure: For spring loaded check valves, select a device with a cracking pressure suited to your system’s flow, along with a maximum operating pressure that exceeds your expected service.
- Connection type and size: Choose valve connections that align with your piping (NPT, unions, FIP) and ensure the overall size fits existing layouts.
- Seal and material: EPDM seals are common for water and oil applications; verify lead-free brass or stainless construction if your environment requires it.
- Lead-free compliance: For potable water systems, select lead-free brass or compliant materials to meet safety standards.
- Maintenance and ease of replacement: Look for designs with simple spring mechanisms and accessible service parts to minimize downtime.
- Brand reliability and availability: Favor established brands with documented performance and widely available replacement parts.
- Application scope: Distinguish between inline check valves and swing check valves to ensure appropriate orientation and flow characteristics for your system.
Spring loaded valve options provide rapid response and secure shutoff in many residential, commercial, and industrial setups. When selecting a model, consider the system’s pressure range, material compatibility, and connection type to ensure durable, long-lasting performance tailored to your application.
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