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FlowVis
FlowVis
®
®
Flow Meter
- Metric Models
IMPORTANT NOTE: For the most up-to-date version of this manual, please visit www.h2flow.net/product-literature
DN40/50/80/100 models

SERVICE REPAIR KIT

A service repair kit is available for all models:
- DN 40 and DN 50/65 (Art.Nr. 90024)
- DN 80 and DN 100 (Art.Nr. 90025)
The repair kit comprises:
1 x o-ring
1 x spring
1 x flapper and indicator arm (only 90024)
1 x pivot pin
For all other parts, please contact H2flow at (+1) 419-
841-7774 (International).
www.h2flow.net • Tel: (+1) 419-841-7774 • www.drydenaqua.com

DESCRIPTION

FlowVis® is a revolutionary, patented solution for accurate and
reliable flow rate measurement in fresh water applications
such as swimming pools, spas, fountains, water features,
irrigation systems, well water and solar systems.
Using a design that is based on 'mass flow' principles, the
FlowVis® provides many benefits that include:
Ease of installation without the need to have 15x of
straight pipe
Installation flexibility that allows orientation in any
position, e.g., horizontal, vertical or even upside-down
Long life without sticking floats or paddle wheels
Combined Flow Meter and Check Valve for DN40 and
DN50/65.

CONCEPT

As flow increases, the flapper moves forward toward its
fully open position. The flapper's angular position is directly
related to flow rate through the valve body / tee. A calibrated
scale on the valve's lid provides a highly accurate reading of
the flow rate.
Flow
English
Rev.4.5.1M

Operating Manual

Calibrated Scale

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Summary of Contents for H2flow FlowVis DN40

  • Page 1: Operating Manual

    Rev.4.5.1M Flow Meter - Metric Models Operating Manual IMPORTANT NOTE: For the most up-to-date version of this manual, please visit www.h2flow.net/product-literature DESCRIPTION FlowVis® is a revolutionary, patented solution for accurate and reliable flow rate measurement in fresh water applications such as swimming pools, spas, fountains, water features, irrigation systems, well water and solar systems.
  • Page 2 NOTE: Always remove the FlowVis® lid assembly prior to gluing in the valve body. NOTE: When selecting a physical location to install FlowVis®, be sure to allow accessibility to read the scale on the lid. www.h2flow.net • Tel: (+1) 419-841-7774 • www.drydenaqua.com...
  • Page 3 Do not fully tighten one screw before proceeding to the next, i.e., pull them down slowly multiple times to avoid stressing and cracking the lid. Screws should be tightened to a final torque of 34 Nm. www.h2flow.net • Tel: (+1) 419-841-7774 • www.drydenaqua.com...
  • Page 4 Broken spring Replace spring running Repair chlorinator, order FlowVis® Service Repair Kit. Consider moving FlowVis® to a Flapper seal crinkled Chlorinator check valve failure different location (see ‘Chlorine Feeders’ section on pg. 3). www.h2flow.net • Tel: (+1) 419-841-7774 • www.drydenaqua.com...
  • Page 5 Head Loss (DN100): FlowVis Head Loss (Bar) - DN100 FlowVis Head Loss (Bar) - DN80 0.025 0.014 0.020 0.012 0.015 0.010 0.010 0.008 0.005 0.006 0.000 0.004 Flow Rate m3/h Flow Rate m3/h www.h2flow.net • Tel: (+1) 419-841-7774 • www.drydenaqua.com...
  • Page 6 Warranty & Technical Data TECHNICAL DATA Materials used: Item Material / Comments Polycarbonate Valve Body (DN40 and DN50/65) CPVC Lid Screws 304 Stainless Steel O-ring Silicone Lubricated Elastomer Scale label, Product label Polycarbonate Pivot Pin Hastelloy c-276 Spring Hastelloy c-276. 316 Stainless Steel prior to Nov. 2015 DN80 and DN100 Tee and reducing bushings Indicator Arm Flapper DN40 and DN50/65...

This manual is also suitable for:

Flowvis dn50Flowvis dn60Flowvis dn80Flowvis dn100

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