Our call center will be closing at 3:30pm CDT today for a company function. We will resume normal business hours on Monday, May 14 at 7:30am CDT.
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About Us

So how does Zoro Tools bring you so many
quality products at such great prices?

We understand the need for small businesses to stay competitive by not
paying high prices for the products you need to keep your business running.
By offering one price to all customers with no complicated discount structure,
we are able to keep our prices low.

We have a small, dedicated staff that works hard to bring you the best products
at fair prices. We love it whether you buy a lot or just a little from Zoro Tools.
We are going to give you our best no matter what!

Contact Us

Most of our business occurs through the internet. However, we know that there are
times when you need to communicate with a person. Our customer service staff is here
to help you. You can contact us in the way that works best for you.

Si necesita ayuda en español, por favor, comuníquese con nosotros por teléfono. Gracias.

Phone

855.BUY.ZORO (855.289.9676)
or 847.247.7660

Fax

847.247.7671

Email

askZoro@zorotools.com

Address

Zoro Tools
1445 Armour Boulevard
Mundelein, IL 60060

Using Our Site

Zoro Tools has designed a unique and
intuitive product search feature.

All you need to do is select the product attribute values you are
looking for within your search results (size, color, material, etc.)
by clicking on the value you want, and the products that meet the
criteria you have chosen are immediately shown in a table right
below where you made your selections.

The more specific you are in your attribute selections –
the narrower the search results will become in your very own
“custom made” product table!

If you prefer to search using manufacturer model #, a competitor’s
part number or a Zoro Tools part number, just enter that number
into the “Search Bar” at the top of the page, you will immediately
be taken to a page that contains the item.

Open Account Billing

Open Account Billing

Learn How to Apply

For Business Customers Only

Catalog Request

NEW! 2012 Product Guide

Request a 2012 Product Guide

Questions/Feedback

Adjustable Pressure Relief Valves

DAYTON
Unloader & Relief Valves
Description : Item : Valve, Type : Pressure Relief, Max. Fluid Temp. (F) : 180, Application : For Prevention of Damage to Positive Displacement Pumps
Product Options
Like This Product?
Max. Flow GPM Pressure Range (PSI) Body Material Inlet Port (In.) Outlet Port (In.) Max. Pressure (PSI) Mfr.# ZoroItem# Price Qty.
6 300 to 600 Bronze 3/4 (M)NPT 3/4 (F)NPT 650 4KGZ7 G3054046 $45.80/EA
25 0 to 300 Bronze 3/4 (M)NPT 3/4 (F)NPT 650 4KHA1 G1435892 $46.14/EA
40 0 to 400 Bronze 1 (M)NPT 3/4 (F)NPT 650 4KHA2 G1659926 $120.20/EA
13 0 to 150 Nylon 3/4 (M)NPT 3/4 (F)NPT 300 4KGZ9 G0288924 $25.37/EA
22 0 to 250 Nylon 3/4 (M)NPT 3/4 (F)NPT 300 4KHA3 G0377291 $24.10/EA
6 300 to 600 Bronze 1/2 (M)NPT 1/2 (F)NPT 650 4KGZ8 G1881311 $45.46/EA
Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KGZ7, Z#: G3054046

Product Description: Valve, Pressure Relief, Max. Flow GPM 6, Pressure Range 300 to 600 PSI, Max. Fluid Temp. 180 F, Body Material Bronze, Wetted Materials SS, Inlet Port (In.) 3/4 (M)NPT, Outlet Port (In.) 3/4 (F)NPT, Max. Pressure 650 PSI
Wetted Materials : SS

Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KHA1, Z#: G1435892

Product Description: Valve, Pressure Relief, Max. Flow GPM 25, Pressure Range 0 to 300 PSI, Max. Fluid Temp. 180 F, Body Material Bronze, Wetted Materials SS, Inlet Port (In.) 3/4 (M)NPT, Outlet Port (In.) 3/4 (F)NPT, Max. Pressure 650 PSI
Wetted Materials : SS

Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KHA2, Z#: G1659926

Product Description: Valve, Pressure Relief, Max. Flow GPM 40, Pressure Range 0 to 400 PSI, Max. Fluid Temp. 180 F, Body Material Bronze, Wetted Materials SS, Inlet Port (In.) 1 (M)NPT, Outlet Port (In.) 3/4 (F)NPT, Max. Pressure 650 PSI
Wetted Materials : SS

Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KGZ9, Z#: G0288924

Product Description: Valve, Pressure Relief, Max. Flow GPM 13, Pressure Range 0 to 150 PSI, Max. Fluid Temp. 180 F, Body Material Nylon, Wetted Materials Nylon, Inlet Port (In.) 3/4 (M)NPT, Outlet Port (In.) 3/4 (F)NPT, Max. Pressure 300 PSI
Wetted Materials : Nylon

Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KHA3, Z#: G0377291

Product Description: Valve, Pressure Relief, Max. Flow GPM 22, Pressure Range 0 to 250 PSI, Max. Fluid Temp. 180 F, Body Material Nylon, Wetted Materials Nylon, Inlet Port (In.) 3/4 (M)NPT, Outlet Port (In.) 3/4 (F)NPT, Max. Pressure 300 PSI
Wetted Materials : Nylon

Product Details

Adjustable Pressure Relief Valves

Brand: DAYTON
Mfr#: 4KGZ8, Z#: G1881311

Product Description: Valve, Pressure Relief, Max. Flow GPM 6, Pressure Range 300 to 600 PSI, Max. Fluid Temp. 180 F, Body Material Bronze, Wetted Materials SS, Inlet Port (In.) 1/2 (M)NPT, Outlet Port (In.) 1/2 (F)NPT, Max. Pressure 650 PSI
Wetted Materials : SS