Professional 25mm Non-Return Valve – SPX025NRV

Product Overview

As a retailer of hot tub spa parts, I present this precision-engineered 25mm non-return valve, designed for reliable backflow prevention in spa and pool circulation systems. This valve ensures dependable one-way flow in standard plumbing lines.

Key Features

• Spring-loaded mechanism
• Professional check design
• Enhanced sealing system
• Optimized cracking pressure
• Chemical-resistant construction
• UV-stabilized materials
• Noise-reduction technology
• Universal mounting capability

Applications

Ideal for:

• Main circulation lines
• Equipment protection
• Filtration systems
• Heat exchanger loops
• Pump protection
• Water feature circuits
• System isolation points

Technical Advantages

The 25mm design offers standard size compatibility with excellent backflow protection. The enhanced spring mechanism ensures consistent operation and reliable closure.

Technical Specifications

Specification	Value
Size	25mm
Valve Type	Non-Return
Body Material	Premium PVC
Spring Material	316 Stainless Steel
Seal Material	EPDM
Temperature Range	0°C to 60°C
Maximum Working Pressure	10 bar
Cracking Pressure	0.025 bar
Connection Type	Solvent weld

Installation Benefits

• Standard size compatibility
• All-position mounting
• Minimal maintenance needs
• Professional installation ready
• System integration ready

Design Features

• Precision spring mechanism
• Clear flow indication
• Optimized body design
• Low-noise operation
• Enhanced flow path

Performance Characteristics

• Positive backflow prevention
• Low pressure drop
• Rapid response
• Silent operation | Extended service life

Installation Guidelines

• Direction arrow alignment
• Professional solvent weld
• Basic support required
• Inspection access needed
• Flexible orientation

Maintenance Features

• Simple component design
• Easy inspection access
• Straightforward cleaning
• Reliable mechanism
• Low maintenance needs

Technical Benefits

• Optimized flow dynamics
• Reliable sealing
• Standard sizing
• Equipment protection
• Consistent performance

Operation Notes

• Regular testing advised
• Periodic inspection needed
• Clean system essential
• Proper orientation required
• Installation space considerations

Best Practices

• Flow direction verification
• Professional installation
• Regular maintenance checks
• System cleanliness
• Proper support

Leaflet

• Leaflet Solvent bushing for PVC-U spring chec…