Apollo Valves A110 Series Differential Control Valves

A110 Series Differential Control Valves Description

The A110 Differential Pressure Control Automatic Control Valve controls the pressure difference between two points in a system. It has a wide range of applications: anywhere an increase in the sensed pressure differential causes the valve to open. The normally closed, spring-loaded pilot, sensing two pressure points, responds to changes in the pressure difference and causes the main valve to do the same. The valve opens on increased differential. The net result is a constant modulating action of the pilot and main valve to hold the pressure differential constant. The pilot system is equipped with a needle valve response speed control that fine tunes the valve response to the system variables. The high pressure sensing point is typically at the valve inlet, while the low pressure sensing point can be valve outlet or remotely connected, e.g., pump suction. Proudly made in the USA.

Apollo Valves A110 Series Differential Control Valves
A110 Series Differential Control Valves

Features

  • Valve Opens on Increased Pressure Differential
  • Operates Over a Wide Flow Range
  • Pressure Differential is Adjustable with Single Screw
  • Adjustable Response Speed
  • Can be Maintained without Removal from the Line
  • Factory Tested and Can be Preset to Your Requirements

Approvals

  • NSF/ANSI 372 Lead Free
  • NSF/ANSI 61 Water Quality: 4” – 24”

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Sizes

GLOBE/ANGLE

  • Screwed Ends: 1-1/4” – 3”
  • Grooved Ends: 1-1/2” – 4”
  • Flanged Ends: 1-1/4” – 24” (globe) 1-1/4” – 16” (angle)

Standard Materials List

Body/Bonnet Ductile Iron (epoxy coated), Carbon Steel (epoxy coated), Stainless Steel, Bronze -Others available (consult factory)
Seat Ring Bronze, Stainless Steel
Stem Stainless Steel, Monel
Spring Stainless Steel
Diaphragm Nylon Reinforced Buna-N, Viton, EPDM
Seat Disc Buna-N, Viton, EPDM
Pilot Stainless Steel Other pilot system components: Bronze/Brass -All Stainless Stee
Tubing & Fittings Copper/Brass, Stainless Stee

Ref : http://www.apollovalves.com

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