Diaphragm Valves – 700 Series

Chemline offers manual and actuated diaphragm valves suited to every application, from process sampling and throttling; to rapid cycling applications such as bottling plants; to high-purity food preparation systems; to ultra-high-purity systems that require minimal dead legs; to abrasive services such as heavy slurries and air-entrained powders. Our 700 Series valves feature modular design and interchangeable bodies, diaphragms and actuators which minimizes spare parts requirements. All major parts are solid plastic, corrosion resistant and light weight to minimize stress on plastic piping.

Manually Operated Valves:See below for 700 Series Valve Selection
Type 720 Mini: 3/8″ and 1/2″
Type 761 Compact: 1/2″ to 2-1/2″
Type 760 Standard: 3″ and 4″

Pneumatically Actuated Valves:See below for 700 Series Valve Selection
Type 710 Mini: 3/8″ and 1/2″
Type 731 Compact: 1/2″ and 3/4″
Type 730 Standard Size: 1″ to 4″
Type 750 Standard Size: 1″ to 2″

Polyvinyl Chloride
Chlorinated Polyvinyl Chloride
Pigmented Polypropylene
Polyvinylidene Fluoride
  • Size:
    3/8" to 4"
  • Ends:
    True Union Socket, Threaded, ChemFlare™
  • Spigot Bodies:
    Plain, Socket, Threaded, Flanged
  • Body:
    PVC, CPVC, PP, PVDF
  • Diaphragm Materials:
    EPDM, FKM-B (Viton®), PTFE

Features & Benefits

  • Pressure Rated 90 psi – 150 psi
    90 psi at 20 Degrees C for all materials.
  • Excellent for Sanitary Applications
    Self draining, PVDF and unpigmented PP bodies are approved for food applications.
    Sanitary clamp and connections are available.
  • Modular Construction
    modular design and interchangeable bodies, diaphragms and actuators which minimizes spare parts requirements.

700 Series Valve Selection

Series Model Sizes Actuator Type Control Function Major Features
720 Mini 3/8″ & 1/2″ Manual Handwheel fits tight spaces
710 Mini 3/8″ & 1/2″ Pneumatic Piston NC, NO, DA fits tight spaces
761 Compact 1/2″ – 2 1/2″ Manual Handwheel new design, with many features
731 Compact 1/2″ & 3/4″ Pneumatic Piston NC, NO, DA new design, with many features
760 Standard 3″ & 4″ Manual Handwheel standard dimensions, interchangeable with other brands
730 Standard 1″ – 4″ Pneumatic Diaphragm NC, NO, DA best design for modulating control
750 Piston 1″ – 2″ Pneumatic Piston NC, NO, DA lower cost than standard, long cycling life on high frequency on/off services

700 Series Options

700-visual-position-indicator
Visual Position Indicator
700-visual-mechanical-travel-stop
Visual Mechanical Travel-stop
700-indicator-and-travel-stop
Visual Position Indicator & Mechanical Travel-stop
700-indicator-and-travel-stop-and-manual-overrideIndicator/ Travel-stop/ Manual override

Solenoid Valves

700-filter-regulator
Positioners
700-positioners
Filter Regulators
700-hand-wheel
Hand wheel operator
700-single-position-mechanical-limit-switch
Single Position Mechanical Limit Switch
 

Dual Position Mechanical Limit Switch

 

Dual Position Proximity Limit Switch

700-dual-position-programmable-proximity-limit-switch

Dual Position Programmable Proximity Limit Switch

700-dual-position-asi-limit-switch

Dual Position ASI Limit Switch

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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