Watts W-4040-TW - Manual (Page 2)

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WATER QUALITY & CONDITIONING PRODUCTS
Watts ® commercial membranes
Part Number Application O.D. Length Capacity No. Per
(GPD) Case
W-2521-TW Tap water 2-1/2" 21" 300 1
W-2540-TW Tap water 2-1/2" 40" 800 1
W-4021-TW Tap water 4" 40" 1,050 1
W-4040-TW Tap water 4" 40" 2,200 1
W-4040-BW Brackish water 4" 40" 2,200 1
W-4040-SW Sea water 4” 40” 2,200 1
Note: Watts commercial membranes are packaged in preservatives. Keep in cool environment if stored for prolonged periods of time.
Watts membrane specifications
Data W-2521-TW W-2540-TW W-4021-TW W-4040-TW W-4040-BW
Membrane type TFC TFC TFC TFC TFC
Material Polyamide Polyamide Polyamide Polyamide Polyamide
Charge Negative Negative Negative Negative Negative
Configuration Spiral-wound Spiral-wound Sprial-wound Spiral-wound Sprial-wound
Salt rejection 99.5% 99.5% 99.5% 99.5% 99.5%
Max. operating temp. 113°F / 45°C 113°F / 45°C 113°F / 45°C 113°F / 45°C 113°F / 45°C
Max. operating pressure 400 psi 400 psi 400 psi 400 psi 600 psi
Maximum turbidity (NTU) <1 <1 <1 <1 <1
Max. SDI <5 <5 <5 <5 <5
pH range (cleaning) 2-11 2-11 2-11 2-11 2-11
Flux (GPD) 300 800 1,050 2,200 2,200
Note: Tap water membrane specifications are based on 225 psi pressure and 77°F temperature.
Watts ® membranes
We offer a complete line of residential and commercial membranes for tap, brackish and sea
water applications. Our thin film composite membranes meet or exceed industry standards, with
salt rejection rates ranging from 96 to 99.5 percent. Commercial membranes are listed below.
CONCENTRATE
PERMEATE FEED
A
U-cup Brine Seal
Outer Tapping
End Cap
B
C
CONCENTRATE
Dimensions: A = 4.0”; B = 40”; C = 0.75”.