HARRINGTON INC: 1-800-553-0078 INTERNATIONAL: 814-838-3957

5″ Mega Flow XL Piston Intake Valve

Our newest compact design for pumper intake control allows easy maintenance. By removing only 6 bolts all moving parts can be removed in one assembly. The valve provides the following features: a low profile 30 degree integrated elbow, a field adjustable pressure relief valve and a full ¾” air bleeder.

The new design offers the lowest friction loss and largest waterway available. Choose from a variety of sizes of Storz or NST connections.

Dimensions: Extension: 10.5″ Width: 8″ Height: 17″ Weight: 34 lbs

Friction loss at 1000 GPM: 2.3 PSI

Caps Available.

SKU: H550 Categories: , Tags: ,


Extension 10.5″ x W 8″ x H 17″ Wt. 34 lb. Wt. 34 lb.
Storz Female Swivel Aluminum Part Number Stainless Steel Part Number
4″ 4.5” NH Rocker Lug H550A-40-45NH H550S-40-45NH
$1,756.00 $2,108.00
4″ 5” NH Rocker Lug H550A-40-50NH H550S-40-50NH
$1,700.00 $2,032.00
4″ 6” NH Short Handle H550A-40-60NH H550S-40-60NH
$1,698.00 $2,030.00
5″ 4.5” NH Rocker Lug H550A-50-45NH H550S-50-45NH
$1,704.00 $2,036.00
5″ 5” NH Rocker Lug H550A-50-50NH H550S-50-50NH
$1,648.00 $1,980.00
5″ 6” NH Short Handle H550A-50-60NH H550S-50-60NH
$1,648.00 $1,978.00
5” FTS 4.5” NH Rocker Lug H550A-50-45NH/FTS H550S-50-45NH/FTS
$2,128.00 $2,320.00
5” FTS 5” NH Rocker Lug H550A-50-50NH/FTS H550S-50-50NH/FTS
$2,054.00 $2,250.00
5” FTS 6” NH Short Handle H550A-50-60NH/FTS H550S-50-60NH/FTS
$2,070.00 $2,266.00
6″ 4.5″ NH Rocker Lug H550A-60-45NH H550S-60-45NH
$1,894.00 $2,220.00
6″ 5″ NH Rocker Lug H550A-60-50NH H550S-60-50NH
$1,820.00 $2,136.00
6″ 6″ NH Short Handle H550A-60-60NH H550S-60-60NH
$1,818.00 $2,150.00
6″ NH Male 6″ NH Female Short Handle H550A-60NHM-60NH H550S-60NHM-60NH
$1,638.00 $1,972.00
Available Caps
4″ Storz Blind Cap HBC-40 $88.00
5″ Storz Blind Cap HBC-50 $132.00
6″ Storz Blind Cap HBC-60 $252.00

All intake valves are available with male or female swivel in place of Storz

Contact Us

Harrington, Inc.
2630 West 21st Street
Erie, PA 16506

Phone: 800-553-0078
International: 814-838-3957
Fax: 814.838.7339
Email: info@harrinc.com

Visit our Hydrant Storz/ Sprinkler Storz site at

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About Harrington, Inc.

As a privately owned family business established in 1988, our main goal is to provide our customers with products that meet and exceed their specifications delivered on time with superior customer service. We are proud that the majority of our products are Made in USA supporting American workers. Our Made in America products are machined from raw aluminum that is again Made in USA. This along with products from Canada and Germany provides the highest quality products available.

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about Harold "Hal" Harrington