Name: 4"Dia.x21"L PVC Membrane Housing
SKU: 1269993

Product Details ＋

4 x 21 PVC Membrane Housing Pressure Vessel for RO Membranes

AMI PVC pressure vessels for housing 4" x 21" membrane elements are ideal for lower pressure membrane applications up to 200 PSI are designed for direct connection to AMI/Applied Membranes and FILMTEC/DOW style elements. The U-Pin style end closures are designed for ease of installing and replacing membrane elements, and the ½" FNPT connections for ease of connection with no special fittings required. Each membrane housing is individually inspected for quality assurance.

Each membrane housing is sold complete with End Plugs, U-Pins, Feed Plugs, and O-Rings. are sold separately.

PVC Membrane Housing Specifications


AMI Part Number:	PV4021PWG
For Membrane Size:	4" x 21"
For Membrane Type:	AMI/Applied Membranes, DOW/FilmTec Style
Operating Pressure:	200 PSI (14 BAR) at 77°F (25°C) Maximum
Vessel Dimensions:	4" Dia. x 25.75" Length (10 cm Dia. x 65.4cm Length)
Connections:	½" FNPT Feed, Brine, and Product
Configuration:	End Entry
End Closures:	U-Pin
Materials:	NSF approved Rigid PVC, PVC end plugs, PVC reinforcement cuffs and stainless steel cuff bands

Warning: 4x21 PVC pressure vessels are limited to a maximum pressure of 200 psi (14 BAR) at 77°F (25°C). Higher pressure, higher temperature or water hammer will lead to premature failure. It is highly recommended that when these conditions exist, a pressure switch or relief valve be installed to protect the vessel. Alternatively, you may consider a stainless steel or FRP vessel.

Replacement Components for 4x21 PVC Housings


{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="PV4040PD1212" title="Replacement End Plug for 4-Inch Membrane Housing Pressure Vessel" template="product/widget/link/link_inline.phtml" id_path="product/229"}}	End Plug with ½" Brine x ½" Product Ports, with O-Rings
{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="PV-RR40U" title="Replacement U-Pin for 4-Inch Membrane Housing PVC or SS" template="product/widget/link/link_inline.phtml" id_path="product/230"}}	U-Pin
{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="PV-OR40-342" title="Replacement O-Ring for 4-Inch Membrane Housing Pressure Vessel SS or PVC" template="product/widget/link/link_inline.phtml" id_path="product/231"}}	O-Ring for End Plug - External
{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="PV-OR40-210" title="Replacement O-Ring for 4-Inch Membrane Housing Pressure Vessel SS or PVC" template="product/widget/link/link_inline.phtml" id_path="product/188"}}	O-Ring for End Plug - Internal
{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="3850.005" title="Plug for Membrane Housing Feed-End Permeate Port" template="product/widget/link/link_inline.phtml" id_path="product/232"}}	½"Plug for Permeate Port on Feed End
{{widget type="Magento\Catalog\Block\Product\Widget\Link" anchor_text="H-C111DC" title="O-Ring Lubricant" template="product/widget/link/link_inline.phtml" id_path="product/488"}}	Lubricant for O-Rings, DOW Corning 111, 5 Oz