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LONGDA BRASS VALVE
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Brass Spring Check Valve with Filter Model 30305 for Pumping Systems

Quantity:
SKU: 2493849205
Model: LD 30303

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Product Details

Brass Spring Check Valve with Filter Model 30305 for Pumping Systems

The brass spring check valve with filter (model 30305) combines backflow prevention with debris filtration, making it ideal for pumping systems and water supply lines. The spring-loaded design allows installation in any orientation.

Key Selling Points

  • Integrated Filter: Protects pumps and downstream equipment from debris.
  • Spring-Loaded Design: Can be installed horizontally or vertically.
  • Compact Inline Body: Space-saving.
  • Durable Brass Construction: Hot-forged body.
  • Size Range: 1/2" to 2" available.

Technical Specifications

Model30305
TypeSpring Check Valve with Filter
Size Range1/2"–2" (DN15–DN50)
Pressure Rating200 WOG (1.4 MPa)
Working Temperature-20°C to 150°C
ConnectionThreaded NPT or BSP (depending on configuration)
Body MaterialHot-forged brass
Spring MaterialSS304
Filter MaterialStainless steel mesh
Seal MaterialNBR / EPDM

Models and Options

Available in sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" with threaded connections. Filter mesh size customizable.

Materials and Structure

Body: hot-forged brass. Spring: SS304. Filter: stainless steel mesh. Seals: NBR or EPDM.

Applications

Designed for pumping systems, water supply, heating systems, and agricultural irrigation where debris protection is needed.

Customization

Custom filter mesh sizes, threads, and materials available with OEM service.

FAQ

What is the advantage of a check valve with filter?

It prevents backflow while filtering out debris, protecting pumps and equipment.

Can it be installed vertically?

Yes, spring-loaded design allows any orientation.

What connections are standard?

NPT or BSP, other types on request.

Is the filter replaceable?

Yes, the filter is serviceable.

What is the pressure rating?

200 WOG.

Inquiry Information

Contact sales@ld-valve.com for more information.

Product Images

Brass spring check valve with filter model 30305

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