Project Description

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Unique “reverse flow” design permits equal pressure distribution

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Your water savings - Save Lives

  • 10 year trade warranty and 100% water tested
  • 225 PSI (15,5 BAR) rating
  • S24B high-efficiency solenoid for positive opening at high pressures; includes stainless steel actuator and brass threads for long life
  • Reverse flow design for water conservation in the event of failure
  • Diaphragm’s self cleaning ports constantly flex, inhibiting sand and silt from blocking valve action
  • Brass shock cone for smooth operation and reduction of water hammer
  • Easy-to-use internal manual bleed lever; bleeds valve downstream; has positive stops for open and closed positions
  • High-strength glass-filled body and cover with ¼” stainless steel cover bolts and mating brass body inserts
  • Brass non-rising flow control stem throttles valve from full open to closed position
  • Excellent for low volume irrigation
  • Contamination-resistant (CR)
  • Chlorine- and chloramine-resistant EPDM diaphragm material

MAX-DW

with XPR

Models MAX-DW-10
Dirty Water 1″ 24 VAC


MAX-DW-15
Dirty Water 1 1⁄2″ 24 VAC


MAX-DW-20
Dirty Water 2″ 24 VAC

Electrical
24VAC/60HZ Inrush: 9.86 VA
Holding: 5.69 VA
24VAC/50Hz Inrush: 10.7 VA
Holding: 7.5 VA

Design Specifications

How To Specify

MODEL DESCRIPTION Factory Installed Options (choose one) Valve Dimensions
Length Width Height
MAX-DW-10 Dirty Water 1″ 24 VAC -XPR
Pressure Regulator–
the Weathermatic
XPR pressure regulating
module senses
inlet pressure and
maintains constant
outlet pressure.
-NP
Non-potable alert flow
handle may be substituted
for the standard
flow handle
5″ 3.13″ 4.75″
MAX-DW-15 Dirty Water 1 1⁄2″ VAC with Flow Control 5.75″ 4.5″ 4.88″
MAX-DW-20 Dirty Water 2″ VAC with Flow Control 7.25″ 5″ 6″
Pressure Loss
Flow
gpm
MAX-DW-10
1″
MAX-DW-15
1 1⁄2″
MAX-DW-20
2″
Flow
m3/h
MAX-DW-10
1″
MAX-DW-15
1 1⁄2″
MAX-DW-20
2″
0-4 1.2 max     0-0,9 0,08 max    
6 1.4     1,0 0,10    
8 1.6     2,0 0,12    
10 1.7*     2,5 0,13*    
15 2.0     3,0 0,14    
20 2.3 1.3*   5,0 0,18 0,10*  
25 3.0 1.6   6,0 0,24 0,12  
30 4.3 1.9   7,0 0,32 0,14  
35 6.0 2.4   8,0 0,43 0,17  
40 7.7 3.0 2.3* 9,0 0,54 0,21 0,16*
45 9.5 3.8 2.4 10,0 0,64 0,26 0,17
50 11.5 4.6 2.6 11,0 0,77 0,31 0,17
55   5.6 2.7 12,0   0,37 0,18
60   6.7 2.9 14,0   0,51 0,20
70   9.5 3.3 16,0   0,68 0,23
80   13.0 3.4 18,0   0,90 0,23
90     4.2 20,0     0,29
100     5.2 22,0     0,34
110     6.7 24,0     0,42
120     7.7 26,0     0,50
130     8.8 30,0     0,62

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