What filter bag sizes do Hayward GFPP housings accept?

They accept #1 single length bags (7 inch by 16 inch) and #2 double length bags (7 inch by 32 inch). An optional clamshell basket makes it easier to insert and remove 32 inch bags.

What connection types are available on Hayward GFPP bag filter housings?

True-union threaded, socket fusion in inch and metric DN sizes, flanged GFPP ends, plus PVC or CPVC socket ends when the housing is installed on PVC or CPVC pipe.

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Hayward Polypropylene Bag Filter Housings

Q: What support baskets are offered for Hayward polypropylene bag filters?

Polypropylene or 316 stainless steel support baskets with an integrated handle, chamfered captured o-ring seal and molded locating legs. A clamshell basket is optional for long or heavily loaded bags.

Platinum glass filled polypropylene filter housings for aggressive fluids

Hayward GFPP polypropylene bag filter housing showing true-union connection versatility Hayward's polypropylene bag filter housings consist of a one piece injection molded body with a one piece injection molded chamber cover. The ports are true-union style in support of easy installation and attachment of valves or fittings. The chamber cover is easily removed without tools and its buttress threads ensure a tight seal with simple hand tightening. The underside of the cover is convex, displacing fluid so that when the cover is removed the liquid level is below the top of the filter body, reducing spillage and incidental contact (and waste) of process fluid. The included cover vent valve assists with quick drainage as well as venting air from the housing during fill-up; the height of the cover handles protect the cover vent valve from damage if the cover is dropped.

Hayward polypropylene filter bag support basket with integrated handle and captured o-ring The inside of Hayward polypropylene bag filter housings contain an ergonomically friendly filter bag support basket. It has an integrated handle to secure the filter bag to the support basket and the basket has a chamfered design with captured o-ring to ensure a by-pass free seal. The injection molded design is very smooth to aid with removing filled filter bags. The support basket also has molded legs to properly position the support basket within the bag filter housing. An optional support basket feature is a clamshell design which makes it easier to insert 32" long filter bags and to remove very filled filter bags. The support baskets are made of polypropylene or in 316SS.

Watch the features video on YouTube!
PDF IOM manual
PDF Specifications: 1¼"-2" single length (#1 size), 1¼"-2" double length (#2 size) and 2½"-4" double length (#2 size)

The following tables cross reference the part numbers with connection type and size.

#1 Size GFPP — Threaded, Fusion or Flanged
Connections	Part Number	Connections	Part Number
1¼" Threaded	FLV4P1S12T4VS	1¼" Flanged	FLV4P1S12F4VS
1½" Threaded	FLV4P1S15T4VS	1½" Flanged	FLV4P1S15F4VS
2" Threaded	FLV4P1S20T4VS	2" Flanged	FLV4P1S20F4VS
1¼" Socket (Fusion)	FLV4P1S12S3VS	DN32 Socket (Fusion)	FLV4P1S3MS3VS
1½" Socket (Fusion)	FLV4P1S15S3VS	DN40 Socket (Fusion)	FLV4P1S4MS3VS
2" Socket (Fusion)	FLV4P1S20S3VS	DN50 Socket (Fusion)	FLV4P1S5MS3VS

#1 Size — PVC / CPVC Socket Connections
Connections	Part Number	Connections	Part Number
1¼" PVC Socket	FLV4P1S12S1VS	1¼" CPVC Socket	FLV4P1S12S2VS
1½" PVC Socket	FLV4P1S15S1VS	1½" CPVC Socket	FLV4P1S15S2VS
2" PVC Socket	FLV4P1S20S1VS	2" CPVC Socket	FLV4P1S20S2VS

#2 Size — PVC / CPVC Socket Connections
Connections	Part Number	Connections	Part Number
1¼" PVC Socket	FLV4P2S12S1VS	1¼" CPVC Socket	FLV4P2S12S2VS
1½" PVC Socket	FLV4P2S15S1VS	1½" CPVC Socket	FLV4P2S15S2VS
2" PVC Socket	FLV4P2S20S1VS	2" CPVC Socket	FLV4P2S20S2VS
2½" PVC Socket	FLV4P2S25S1VS	2½" CPVC Socket	FLV4P2S25S2VS
3" PVC Socket	FLV4P2S30S1VS	3" CPVC Socket	FLV4P2S30S2VS
4" PVC Socket	FLV4P2S40S1VS	4" CPVC Socket	FLV4P2S40S2VS

#2 Size GFPP — Threaded or Fusion
Connections	Part Number	Connections	Part Number
1¼" Threaded	FLV4P2S12T4VS	1¼" Socket (Fusion)	FLV4P2S12S3VS
1½" Threaded	FLV4P2S15T4VS	1½" Socket (Fusion)	FLV4P2S15S3VS
2" Threaded	FLV4P2S20T4VS	2" Socket (Fusion)	FLV4P2S20S3VS
2½" Threaded	FLV4P2S25T4VS	2½" Socket (Fusion)	FLV4P2S25S3VS
3" Threaded	FLV4P2S30T4VS	3" Socket (Fusion)	FLV4P2S30S3VS
4" Threaded	FLV4P2S40T4VS	4" Socket (Fusion)	FLV4P2S40S3VS

#2 Size GFPP — Flanged and Metric Fusion
Connections	Part Number	Connections	Part Number
1¼" Flanged	FLV4P2S12F4VS	DN32 Socket (Fusion)	FLV4P2S3MS3VS
1½" Flanged	FLV4P2S15F4VS	DN40 Socket (Fusion)	FLV4P2S4MS3VS
2" Flanged	FLV4P2S20F4VS	DN50 Socket (Fusion)	FLV4P2S5MS3VS
2½" Flanged	FLV4P2S25F4VS	DN65 Socket (Fusion)	FLV4P2S6MS3VS
3" Flanged	FLV4P2S30F4VS	DN80 Socket (Fusion)	FLV4P2S8MS3VS
4" Flanged	FLV4P2S40F4VS	DN100 Socket (Fusion)	FLV4P2S1MS3VS

Need a Hayward GFPP Bag Filter Housing?

Factory Direct pricing on platinum glass-filled polypropylene FLV housings, #1 and #2 size, with threaded, fusion, flanged, PVC or CPVC socket connections.

Request Pricing Order Filter Bags Call 908.362.9981

Hayward GFPP Bag Filter FAQ

What is GFPP and why use it?

Platinum glass-filled polypropylene is a one-piece injection molded body and cover. Glass fibers increase stiffness and surface hardness versus regular polypropylene, supporting higher pressure and temperature service on aggressive fluids.

What filter bag sizes do these housings accept?

#1 single length (7" x 16") and #2 double length (7" x 32") industry-standard filter bags. An optional clamshell basket makes it easier to insert and remove 32" bags.

What connection types are available?

True-union threaded, socket fusion (inch and metric DN), flanged GFPP ends, plus PVC or CPVC socket ends when the housing is installed on PVC or CPVC pipe.

How does the cover reduce spillage?

The underside of the cover is convex, so liquid drops below the top of the body when the cover is removed. A vent valve is included and the cover handles protect it if the cover is dropped. No tools are required.

What baskets are offered?

Polypropylene or 316SS support baskets with an integrated handle, chamfered captured o-ring seal and molded locating legs. A clamshell basket is optional for long or heavily loaded bags.