75mm Grey PVC Check Valve Fitting

Product Overview

As a retailer of hot tub spare parts, I’m offering this reliable 75mm grey PVC check valve – a crucial component for preventing water backflow in your hot tub system. This valve helps maintain proper water flow direction and protects your equipment from potential damage.

Key Features

• Durable PVC construction for long service life
• Spring-loaded check mechanism
• Low resistance to forward flow
• Quick-acting closure prevents backflow
• UV-stabilized grey color
• Horizontal or vertical installation capability
• Silent operation design
• Maintenance-free mechanism

Applications

• Hot tub circulation systems
• Pump protection
• Filtration system flow control
• Prevention of gravity drainage
• Equipment protection circuits

Technical Specifications

Specification	Detail
Material	PVC (Polyvinyl Chloride)
Color	Grey
Size	75mm
Connection Type	Pipe to Pipe
Joint Type	Solvent Weld
Spring Material	Stainless Steel 316
Seal Material	EPDM
Working Temperature	0°C to 60°C
Pressure Rating	PN16
Opening Pressure	0.025 bar (approximate)
Flow Direction	Marked on valve body
Installation Position	Horizontal or Vertical
Manufacturing Standard	BS EN 1452-3

Installation Guide

• Observe flow direction arrow on valve body
• Install in easily accessible location
• Maintain minimum 5 pipe diameters of straight pipe before valve
• Ensure proper alignment before cementing
• Allow full cement cure time before system operation

Performance Features

• Minimal pressure drop in forward flow
• Fast closure response
• Low opening pressure requirement
• Reliable sealing when closed
• Smooth internal surfaces for optimal flow

Compatibility

Compatible with standard 75mm PVC pipe systems and suitable for use with approved PVC cements and cleaners. Designed to integrate seamlessly with other hot tub plumbing components.

Maintenance Recommendations

While designed to be maintenance-free, periodic testing of the check function is recommended during routine system maintenance. Listen for proper closing action when pump stops.

System Benefits

This check valve plays a vital role in protecting your hot tub equipment by preventing unwanted backflow, which can cause damage to pumps and other components. The spring-loaded design ensures reliable operation in both vertical and horizontal installations