PARSWOOD™ Single-Round High Flow Filter Housings

This item is produced on a Make-to-Order (MTO) basis to meet your specific requirements. Kindly allow 3 to 6 weeks for manufacturing and delivery.

with Swing-Bolt Closure

Upgrade your filtration system with the PARSWOOD™ Single-Round High-Flow Filter Housing, engineered for demanding Food, Beverage, Industrial, Water Treatment, and Energy-sector applications. Built from premium stainless steel and designed for maximum reliability, these vessels deliver exceptional flow capacity, long service life, and effortless maintenance.

The robust swing-bolt closure enables quick, safe cartridge change-outs, while FNPT or flanged connections make installation flexible across a wide range of systems. Available in both horizontal (HFH Series) and vertical (HFV Series) configurations to match your plant layout.

Key Features

• Heavy-duty swing-bolt closure for easy and secure access
• Reinforced welded legs for maximum stability
• Rated for 150 psi (10 bar) operating pressure
• Designed according to ASME Pressure Vessel Code
• ASME “U” Stamp available upon request
• Supports exceptionally high flow rates — up to 600 GPM
• Stainless steel surface passivation minimizes weld-line corrosion
• Compatible with all PARSWOOD™ high-flow cartridges

Applications

The PARSWOOD™ High-Flow Housing is engineered for versatility across multiple industries:

Water Treatment & Membrane Pretreatment

• Pre-RO filtration (protects reverse osmosis membranes)
• Pre-UF filtration (ultrafiltration pretreatment)
• High-volume clarification of municipal or industrial water
• Cooling tower or boiler water polishing

Oil & Gas / Petrochemical

• Amine sweetening units (amine loop filtration)
• Produced water treatment
• Condensate and hydrocarbon polishing
• Filtration of glycols, solvents, and process fluids
• Biodiesel

Food & Beverage

• Juice, syrup, and ingredient filtration
• Bottled water and beverage clarification
• Large-scale flow applications requiring sanitary-grade components

General Industrial

• Oils, coolants, and lubricants
• Fine chemicals and process streams
• Aqueous solutions and wash waters
• High-flow, high-dirt-load environments

Product Quality & Certifications

• Manufactured under an ISO 9001:2015 certified quality system
• Certified to NSF/ANSI 61 & 372
• Halal certified
• Certification of Quality documentation available upon request

Materials of Construction

• Housing Body & Components: AISI 304 or AISI 316L Stainless Steel
• Designed for long-term durability and corrosion resistance

Seal Options (Elastomers)

• Choose the best elastomer for your process:
• EPDM (Standard)
• Silicone
• NBR
• FKM

Surface Finish Options

• Glass-bead finish (standard)
• Industrial electropolish (optional) — ideal for sanitary and corrosive applications

Operating Conditions

• Maximum Operating Temperature: 121°C (250°F)
• Design Pressure: 10 bar (150 psi)

Cartridge Type

Filter Connections

Vertical Type

FNPT Connection Filter Specifications

Code	Name	Specification	Connection mode
N1	Inlet	2" FNPT, 3" FNPT	Thread
N2	Outlet	2" FNPT, 3" FNPT
N3	Vent	1/2" FNPT
N4/N5	Pressure Gauge	1/2" FNPT
N6	Drain	3/4" FNPT

Filter Dimensions (Size vs. L, H, OD)

Size	L	H	OD
20"	703	843	219
40"	1210	1350	219

Flange Connection Filter Specifications

Code	Name	Specification	Connection mode
N1	Inlet	2" Flange, 3" Flange	Flange
N2	Outlet	2" Flange, 3" Flange
N3	Vent	1/2" FNPT	Thread
N4/N5	Pressure Gauge	1/2" FNPT
N6	Drain	3/4" FNPT

Notes: Flange, WN Class 150 RF, ASME-B16.5-2020

Dimensions

Size	L	H	OD
20"	703	843	219
40"	1210	1350	219

Horizontal Type

FNPT Connection Filter Specifications

Code	Name	Specification	Connection mode
N1	Inlet	3" FNPT	Thread
N2	Outlet	3" FNPT
N3	Vent	1/2" FNPT
N4/N5	Pressure Gauge	1/2" FNPT
N6/N7	Drain	3/4" FNPT

Dimensions

Size	L	H	S	T	OD
40"	1575	1340	550	885	219
60"	2075	1840	1050	1385	219

Flange Connection Filter Specifications

Code	Name	Specification	Connection mode
N1	Inlet	3" Flange	Flange
N2	Outlet	3" Flange
N3	Vent	1/2" FNPT	Thread
N4/N5	Pressure Gauge	1/2" FNPT
N6/N7	Drain	3/4" FNPT

Notes: Flange, WN Class 150 RF, ASME-B16.5-2020

Dimensions (Sizes in mm)

Size	L	H	S	T	OD
40"	1595	1340	550	885	219
60"	2095	1840	1050	1385	219

High-Flow Filter Housing Comparison

Feature / Spec	PARSWOOD™ Single-Round High-Flow Housing	Generic Stainless High-Flow Housing	Pentair / 3M High-Flow Housings	Parker / Pall Style Housings
Construction Material	304 / 316L Stainless Steel	304 Stainless (316 optional)	304/316 Stainless Steel	304 / 316 Stainless Steel
Flow Rate Capacity	Up to 600 GPM	300–500 GPM	500–600 GPM	300–500 GPM
Pressure Rating	150 psi (10 bar)	100–150 psi	150 psi	100–150 psi
Closure Design	Swing-Bolt (Fast, Tool-Friendly)	Clamp or swing-bolt	Swing-bolt	Clamp or swing-bolt
Surface Finish	Glass-bead (std.) / Electropolish (opt.)	Standard bead-blast	Electropolish	Bead-blast
ASME “U” Stamp	Available	Rarely available	Available	Available
Certifications	NSF/ANSI 61 & 372, ISO 9001:2015, Halal	Varies	NSF / Factory Certifications	Varies
Cartridge Compatibility	PARSWOOD™ HF, universal HF cartridges	Brand-specific	Brand-specific	Brand-specific
Best Use Cases	Pre-RO, Pre-UF, Water Treatment, O&G (amine), Food & Beverage	General filtration	Water system OEMs	Chemical & industrial
Value Advantage	Premium spec with lower ownership cost	Low price, lower durability	High price	High price

Product Selection Guide

Style	Cartridge Length	Main Ports	Material	Seals	Options, Standard
H Horizontal	20 20"	2FN 2" FNPT	304 AISI304	E EPDM	EPM electropolish interior & mechanical polish exterior
V Vertical	40 40"	3FN 3" FNPT	316L AISI316L	B NBR	U ASME Code stamped; NB listed
	60 60"	2F 2" RF Flange		S Silicone
		3F 3" RF Flange		V FKM

Example: HFH-20-3FN-304-E

Need a Custom Fit? We offer expanded options for port sizes, pressure ratings, and constructions to meet your exact needs. Contact us today for detailed dimension prints and a personalized solution.

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