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Watts® Reverse Osmosis Membrane Cartridges

Watts top quality thin film composite membranes for reverse osmosis systems meet or exceed industry standards, with salt rejection rates ranging from 96% - 99.5%.

• Watts® Residential RO membrane

• Watts® Commercial RO membrane

How to Order

Email: up_sales@ultrapure.com.sg
Telephone:
+(65) 6440 3680
+(65) 9088 9188
Fax:
+(65) 6440 3679
Terms & Conditions

WATTS' AUTHORIZED
DISTRIBUTOR & STOCKIST

Watts® Residential Membrane Specifications

Data	W-1812-24	W-1812-36	W-1812-50	W-1812-75	W-1812-100
Type	TFC	TFC	TFC	TFC	TFC
Material	Polyamide	Polyamide	Polyamide	Polyamide	Polyamide
Charge	Negative	Negative	Negative	Negative	Negative
Configuration	Spiral-wound	Spiral-wound	Spiral-wound	Spiral-wound	Spiral-wound
Salt rejection	96%	96%	96%	96%	96%
Max. op temp	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC
Max. op Pressure	125 psi	125 psi	125 psi	125 psi	125 psi
Max. turbidity	1 NTU	1 NTU	1 NTU	1 NTU	1 NTU
Max. SDI	5	5	5	5	5
pH range	3-10	3-10	3-10	3-10	3-10
Flux (GPD)	24	36	50	75	100

Note: Specifications based on 77°F (25°) temperature and 60 psid pressure.

Watts® Residential Membranes (thin film composite)

Model Number	Application	Dimension (OD x L)	Capacity (GPD)
W-1812-24	Tap water	1.8" x 11.75"	24
W-1812-36	Tap water	1.8" x 11.75"	36
W-1812-50	Tap water	1.8" x 11.75"	50
W-1812-75	Tap water	1.8" x 11.75"	75
W-1812-100	Tap water	1.8" x 11.75"	100

Note: W-1812-100 membranes are packaged in preservative and should be kept in a cool environment if stored for a prolonged period of time.

Watts® Commercial Membrane Specifications

Data	W-2521-TW	W-2540-TW	W-4021-TW	W-4040-TW	W-4040-BW
Type	TFC	TFC	TFC	TFC	TFC
Material	Polyamide	Polyamide	Polyamide	Polyamide	Polyamide
Charge	Negative	Negative	Negative	Negative	Negative
Configuration	Spiral-wound	Spiral-wound	Spiral-wound	Spiral-wound	Spiral-wound
Salt rejection	99.5%	99.5%	99.5%	99.5%	99.5%
Max. op temp	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC	113^oF / 45^oC
Max. op pressure	400 psi	400 psi	400 psi	400 psi	600 psi
Max. turbidity	<1 NTU	<1 NTU	<1 NTU	<1 NTU	<1 NTU
Max. SDI	<5	<5	<5	<5	<5
pH range	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® Commercial Membranes

Model Number	Application	Dimension (OD x L)	Capacity (GPD)
W-2521-TW	Tap water	2.5" x 21"	300
W-2540-TW	Tap water	2.5" x 40"	800
W-4021-TW	Tap water	4" x 21"	1,050
W-4040-TW	Tap water	4" x 40"	2,200
W-4040-BW	Brackish water	4" x 40"	2,200

Note: Watts commercial membranes are packaged in preservatives. Keep in cool environment if stored for prolonged periods of time.