Spring Check Valves – ES Series

Chemline ES Series PVC True Union Spring Check valves have a PTFE covered stainless steel spring for positive closing. Compared to ball check valves, ES Series require very low liquid head pressure to close. That means more flexibility as to where valves may be placed in a piping system.
1 4” valve is fabricated from a 3” valve. 21/2” to 2”.

Polyvinyl Chloride
  • Size:
    1/2" to 4" 1
  • Ends:
    Socket, Threaded, Flanged, ChemFlare™
  • Body:
    PVC
  • Seals:
    EPDM, FKM (Viton®)

Features & Benefits

  • True Union Design
    Easy installation and maintenance.
  • PTFE Covered Stainless Steel Spring
    Spring allows disc to self close.
    PTFE covering is minimum 0.45 mm (0.01″) thick.
    Resistant to almost all chemicals.
  • New Disc Design2
    Fully guided for smooth, trouble-free operation.
    Hydraulic design to minimize pressure loss.
  • Moulded Elastomer Seat
    For a secure seal even at low pressures.

Commonly used in these markets

Environmental Markets

Environmental

Process Industrial Markets

Process Industrial

Chemical, Storage & Transport Markets

Chemical, Storage & Transport

High Purity Water Markets

High Purity Water

Aquatic Life Support Markets

Aquatic Life Support

Irrigation & Fertigation Markets

Irrigation & Fertigation

Pools, Water Park Markets

Pools, Water Parks

Utility Water Markets

Utility Water

Valve Specification Guide

Valve Specification Guide

Engineering specifications are crucial as they provide precision, clarity, quality assurance and compliance in your projects. Download to save you time and assure accuracy in your specifications.

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Valve Specification Guide

Chemical Resistance Guide

Corrosion resistance is an important factor in selecting the right material of construction for valves, pipe, tubing, fittings and more. Designed to easily navigate, this guide can be downloaded for easy reference.

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Materials of Construction Cover Photo

Materials of Construction

Understanding materials of construction is essential to the accurate selection of valves, pipe, tubing, fittings and more. Designed to easily navigate, this guide can be downloaded for easy reference.

Download here >

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