SKU: 97980762221

4"Dia.x21"L PVC Membrane Housing

Sale price$188.03 Regular price$208.92
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Description

4"Dia.x21"L PVC Membrane Housing4 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 " FNPT connections for ease of connection with no special fittings


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. Mounting pads and straps 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
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97980762221

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4.1 ★★★★★
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g4golf
Dallas, US
★★★★★ 3
Temus has better beef tallow skin cream..
* Got much better results from a temu beef tallow/manuka honey skin cream... the temu one is creamer and less dense, so it spread and immediate melts/absorbs right into your skin... next morning results much better in temu product.. ama,ons is pasty and greasey, doesn't absorb like the temu one... doesn't feel good on skin... temu soaks right up into your skin like a sponge.. no greasy feel... just smooth skin... i ordered temu's again...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
D
Verified Purchase
DT
Phoenix, US
★★★★★ 5
Love it! Not greasy at all and deep moisturizer
Color: Unscented (1 pack)
So soft!! Best face lotion I have tried on in years. I really thought it was going to be greasy and leave my face shiny with oil. Not at all!! It feels like deep moisturizer but leaves a silky finish. Also, looooove the smell. It is not strong but somewhat like milk and honey. I have only used for a couple of days but so far so good! Looking forward to many more days of soft skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
T
Verified Purchase
Tea
West Palm Beach, US
★★★★★ 5
A+++
Color: Unscented (1 pack)
I have the ultimate sensitive skin, and have had to take steroid packs after using products such as tea tree oil and castor oil. I sampled some of this product before using it on my full face and have not had any break out whatsoever. I thought it would smell but there is no smell, and it is thick and creamy without being oily. It hydrates my skin well and lasts all day. I have noticed my skin feels much more nourished and doesn't get a layer of grease by the end of the day. Over all, I love this product, I love the price, I feel like it works better than Elf which is cheaper but not as good quality, and Kiehl's which is good quality but quite expensive.
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Reviewed in the United States on April 18, 2026
S
Verified Purchase
Susan
Bozeman, US
★★★★★ 5
Whipped beef tallow balm for skin
Color: Unscented (1 pack)
I have never found anything to work as well and as fast. It's absolutely amazing. Relieves dry skin so fast leaving it soft as a babies behind. Easy to apply, has no smell, doesn't leave a greasy feeling. A little amount goes a long way. All natural ingredients, grass fed beef tallow, beeswax, and wild honey.
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Reviewed in the United States on June 1, 2026
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Verified Purchase
Kristina
Dallas, US
★★★★★ 5
Solid product
Color: Unscented (1 pack)
Great product. I have to admit I was skeptical because it is so inexpensive. Very moisturizing and makes my skin feel soft and not greasy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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