We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Grainger Short Shank Fire Hose Coupling: 3 in Compatible Pipe Size - Short-Shank Fire Hydrant Couplings
GraingerShort-Shank Fire Hydrant Couplings

Grainger Short Shank Fire Hose Coupling: 3 in Compatible Pipe Size

The APPROVED VENDOR Short Shank Fire Hose Coupling (MPN 3LZ18) is a 3 in x 3 in NPSM x NPSM plug-type coupling for fire hydrant systems. It features a short shank design with NPSM threads on both ends, sized for…

SKU 3G-OTH-547281

Brand
Grainger
Item
Short Shank Fire Hose Coupling: 3 in Compatible Pipe Size
Category
Short-Shank Fire Hydrant Couplings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Grainger
Manufacturer Part Number
3LZ18
Type
NPSM x NPSM, Plug, Plug
Fitting Size [MERCH]
3 in x 3 in
Fitting Connection Type
NPSM x NPSM
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Grainger Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Short Shank Fire Hose Coupling (MPN 3LZ18) is a 3 in x 3 in NPSM x NPSM plug-type coupling for fire hydrant systems. It features a short shank design with NPSM threads on both ends, sized for 3-inch compatible pipe.

Frequently Asked Questions

What is an APPROVED VENDOR Short Shank Fire Hose Coupling used for?

This 3 in NPSM x NPSM plug-type coupling connects fire hoses to hydrants or standpipe systems. Its short shank design provides a secure, leak-resistant joint for firefighting water supply in commercial, industrial, and municipal applications.

What are the specifications of the APPROVED VENDOR 3LZ18 coupling?

The 3LZ18 is a 3 in x 3 in NPSM x NPSM plug-type short shank fire hose coupling. Both ends have NPSM threads, and the fitting size is 3 in compatible pipe. It is manufactured by APPROVED VENDOR.

Where to buy APPROVED VENDOR fire hose couplings worldwide?

3G Electric supplies the APPROVED VENDOR 3LZ18 short shank fire hose coupling to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine industrial components for your fire protection systems.

How to install an NPSM fire hose coupling?

Ensure threads are clean and apply a compatible thread sealant. Hand-tighten the coupling onto the hydrant or hose nipple, then use a spanner to snug it without over-torquing. Always test for leaks at system pressure before putting into service.

Grainger Products

3G Electric supplies Grainger short-shank fire hydrant couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products