Professional 20mm Single Check Valve – SPX020SCV

Product Overview

As a retailer of hot tub spa parts, I offer this precision-engineered 20mm single check valve, designed specifically for preventing backflow in smaller diameter spa and pool systems. This compact valve ensures reliable one-way flow protection in auxiliary lines.

Key Features

• Spring-loaded design
• Compact single check mechanism
• Precision sealing system
• Low cracking pressure
• Chemical-resistant materials
• UV-stabilized construction
• Silent operation design
• Vertical/horizontal mounting

Applications

Perfect for:

• Chemical injection lines
• Small circulation systems
• Auxiliary spa circuits
• Water feature feeds
• Secondary flow loops
• Equipment protection
• Backflow prevention

Technical Advantages

The 20mm design provides optimal backflow protection for smaller systems while maintaining minimal pressure drop. The spring-loaded mechanism ensures positive closure when flow stops.

Technical Specifications

Specification	Value
Size	20mm
Valve Type	Single Check
Body Material	High-grade PVC
Spring Material	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

• Compact footprint
• Multi-position mounting
• Low maintenance design
• Standard size compatibility
• Easy system integration

Design Features

• Spring-assisted closure
• Flow direction indicator
• Streamlined body design
• Silent operation
• Optimized flow path

Performance Characteristics

• Reliable backflow prevention
• Minimal pressure loss
• Quick response time
• Quiet operation
• Long service life

Installation Guidelines

• Flow direction critical
• Proper solvent welding
• Minimal support needed
• Access for inspection
• Multiple orientation options

Maintenance Features

• Minimal moving parts
• Easy inspection process
• Simple cleaning access
• Reliable operation
• Low maintenance requirements

Technical Benefits

• Efficient flow characteristics
• Positive sealing
• Compact design
• System protection
• Reliable performance

Usage Guidelines

• Regular testing recommended
• Annual inspection advised
• Clean system requirement
• Proper flow orientation
• Installation clearance needs

Leaflet

• Leaflet Solvent bushing for PVC-U spring chec…