90mm Grey PVC Check Valve

Product Overview

As a retailer of hot tub spare parts, I’m offering this reliable 90mm grey PVC check valve. This valve provides essential backflow prevention in your hot tub system, protecting pumps and equipment while ensuring proper flow direction.

Key Features

• Spring-assisted closure
• Silent operation design
• Heavy-duty PVC construction
• UV-stabilized grey color
• Full flow design
• Double socket ends
• Positive seal mechanism
• Flow direction indicator

Applications

• Pump discharge protection
• Return line safety
• Filtration system protection
• Gravity flow prevention
• Multi-pump systems
• Equipment protection circuits

Technical Specifications

Specification	Detail
Material Body	PVC (Polyvinyl Chloride)
Color	Grey
Size	90mm
Connection Type	Pipe to Pipe
Joint Type	Solvent Weld
Spring Material	316 Stainless Steel
Seal Material	EPDM
Working Temperature	0°C to 60°C
Pressure Rating	PN16
Opening Pressure	0.025 bar (approximate)
Flow Direction	Marked on Valve
Installation Position	Horizontal/Vertical
Manufacturing Standard	BS EN 1452-3

Construction Features

• Streamlined internal design
• Reinforced socket ends
• Integral valve guides
• Heavy-duty spring
• Full-bore design
• Precision-molded components

Performance Features

• Low cracking pressure
• Rapid closure response
• Minimal pressure loss
• Reliable sealing
• Quiet operation
• Smooth flow pattern

Installation Guide

• Verify flow direction arrow
• Clean and prepare pipe ends
• Apply appropriate primer
• Use PVC cement correctly
• Ensure proper alignment
• Support valve adequately
• Allow full cure time

Best Practices

• Install in accessible location
• Maintain straight pipe runs
• Consider removal clearance
• Support both pipe ends
• Allow for servicing
• Follow cure time recommendations

System Benefits

• Prevents backflow damage
• Protects pump equipment
• Maintains system efficiency
• Reduces water hammer
• Ensures directional flow
• Provides quiet operation

Additional Information

This check valve features a spring-assisted design for reliable operation in both vertical and horizontal installations. The robust construction and reliable sealing mechanism make it ideal for hot tub applications where dependable backflow prevention is crucial.

Maintenance Recommendations

• Regular operation testing
• Annual seal inspection
• Verify spring action
• Check for free movement
• Clean as needed
• Monitor for unusual noise