4" FRP membrane housing is used for accommodating reverse osmosis membrane elements and generates a high pressure environment for reverse osmosis operation. It adopts special processing technology to make the inner surface of FRP membrane housing more smooth. What's more, polyurethane coating ensures the brightness of FRP membrane housing, white color is the standard color, other color is also available according to your requirements. More importantly, our 4" FRP membrane housing through strict 10 million times fatigue test and pressure test, so as to ensure that the product has a longer service life and higher safety. Applicable in metallurgical, electronics, health care, chemicals, food & drinking water, electric power, industrial waste water treatment, seawater desalination and many other industries.

Specifications:

Product name: 4" FRP membrane housing.

Material: fiberglass or FRP.

Surface treatment: polyurethane coated.

Color: white. Other colors can be customized.

Water inlet port: 3/4 inch.

Water outlet port: 1/2 inch.

Available working pressure: 300-1200 psi.（300 psi, 450 psi, 600 psi, 800 psi, 1000 psi, 1200 psi）

Operating temperature: -7°C - 49°C.

Length type: 1-6 core.

Connection type: end port, side port.

A white 4 inch side port FRP membrane housing is lying on the cardboard and on side is on a carton box.

FMH4-2: 4" side port FRP membrane housing.A white 4 inch end port FRP pressure vessel is lying on the cardboard and one side is on a carton box.

FMH4-3: White 4" end port FRP pressure vessel.

Model number description:

Model number description about 4 inch FRP membrane housing.

1 - Membrane housing material: FRP.

2 - Membrane housing inner diameter: 4 inches.

3 - Connection mode of inlet and outlet: end port or side port.

4 - Maximum pressure value of membrane housing: 300 psi.

5 - Membrane housing color: White (Standard color).

6 - Membrane housing length: 1 core.

Sketch of 4 inch end port membrane housing cross section.

Sketch of 4 inch end port membrane housing.

Spare parts of 4" FRP membrane housing (end port)

Item Description Material Quantity

1 Screw Stainless steel 304 4

2 Baffle Stainless steel 304 4

3 End plug ABS 2

4 Strap screw Stainless steel 304 4

5 Saddle Nature rubber 2

6 Strap Stainless steel 2

7 Shell FRP 1

8 End plug seal EPDM 2

Specifications of 4" FPR membrane housing (end port)

Item Working pressure Length L S D (Outer diameter) Feed port Permeate port

psi Number of core mm mm mm inch inch

F40E300W-1 300 1 1130 610 112 3/4 FNPT 1/2 FNPT

F40E300W-2 2 2146 1350 112 3/4 FNPT 1/2 FNPT

F40E300W-3 3 3162 1960 112 3/4 FNPT 1/2 FNPT

F40E300W-4 4 4178 1580 × 2 112 3/4 FNPT 1/2 FNPT

F40E450W-1 450 1 1130 610 114 3/4 FNPT 1/2 FNPT

F40E450W-2 2 2146 1350 114 3/4 FNPT 1/2 FNPT

F40E450W-3 3 3162 1960 114 3/4 FNPT 1/2 FNPT

F40E450W-4 4 4178 1580 × 2 114 3/4 FNPT 1/2 FNPT

F40E600W-1 600 1 1130 610 116 3/4 FNPT 1/2 FNPT

F40E600W-2 2 2146 1350 116 3/4 FNPT 1/2 FNPT

F40E600W-3 3 3162 1960 116 3/4 FNPT 1/2 FNPT

F40E600W-4 4 4178 1580 × 2 116 3/4 FNPT 1/2 FNPT

F40E800W-1 800 1 1178 610 118 3/4 FNPT 1/2 FNPT

F40E800W-2 2 2194 1350 118 3/4 FNPT 1/2 FNPT

F40E800W-3 3 3210 1960 118 3/4 FNPT 1/2 FNPT

F40E800W-4 4 4226 1580 × 2 118 3/4 FNPT 1/2 FNPT

F40E1000W-1 1000 1 1178 610 120 3/4 FNPT 1/2 FNPT

F40E1000W-2 2 2194 1350 120 3/4 FNPT 1/2 FNPT

F40E1000W-3 3 3210 1960 120 3/4 FNPT 1/2 FNPT

F40E1000W-4 4 4226 1580 × 2 120 3/4 FNPT 1/2 FNPT

Sketch of 4 inch side port membrane housing cross section marked with numbers and letters.

Sketch of 4 inch side port membrane housing.

Spare parts of 4" FRP membrane housing (side port)

Item Description Material Quantity

1 Screw Stainless steel 304 4

2 Baffle Stainless steel 304 4

3 End plug ABS 2

4 Strap screw Stainless steel 304 4

5 Saddle Nature rubber 2

6 Strap Stainless steel 2

7 Shell FRP 1

8 End plug seal EPDM 2

If you are interested in our products can contact us via sales@membranehousing.org.