Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Dayton Spring Check Valve: Inline Valve Body, 3 in Pipe Size, MNPT x FNPT, Ductile Iron - Ductile Iron Poppet Check Valves
DaytonDuctile Iron Poppet Check Valves

Dayton Spring Check Valve: Inline Valve Body, 3 in Pipe Size, MNPT x FNPT, Ductile Iron

The DAYTON Spring Check Valve is a ductile iron inline valve body with a stainless steel poppet, available in a 3-inch pipe size with MNPT x FNPT connections. This product, identified by manufacturer part number…

SKU 3G-OTH-428549

Brand
Dayton
Item
Spring Check Valve: Inline Valve Body, 3 in Pipe Size, MNPT x FNPT, Ductile Iron
Category
Ductile Iron Poppet Check Valves
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

Dayton
Manufacturer Part Number
4RK70
Type
MNPT x FNPT, Ductile Iron, Male, NPT
Pipe Size
3 in
Poppet Material
Stainless Steel
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

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

Product Description

The DAYTON Spring Check Valve is a ductile iron inline valve body with a stainless steel poppet, available in a 3-inch pipe size with MNPT x FNPT connections. This product, identified by manufacturer part number 4RK70, is designed for industrial applications requiring backflow prevention.

Frequently Asked Questions

What is the DAYTON Spring Check Valve used for?

The DAYTON Spring Check Valve is used for backflow prevention in industrial piping systems. Its ductile iron body and stainless steel poppet make it suitable for water, oil, and gas applications where reliable one-way flow control is required.

What are the specifications of the DAYTON Spring Check Valve 4RK70?

The DAYTON Spring Check Valve 4RK70 has a 3-inch pipe size with MNPT x FNPT connections. It features a ductile iron inline valve body and a stainless steel poppet. This spring-loaded design ensures positive sealing against reverse flow in industrial systems.

Where to buy the DAYTON Spring Check Valve 4RK70 worldwide?

You can source the DAYTON Spring Check Valve 4RK70 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives efficiently.

How to install a DAYTON Spring Check Valve?

Install the DAYTON Spring Check Valve in the correct flow direction as indicated by the arrow on the body. Ensure pipe threads are clean and use appropriate sealant on the MNPT x FNPT connections. Tighten to manufacturer torque specs to avoid leakage.

Used in

Common applications for Dayton
HVAC ventilation — DAYTON centrifugal upblast roof exhaust fans (SKU 7M7U3) for kitchen exhaust systems
Mechanical power transmission — DAYTON HTD timing pulleys (SKU 404GV0) for conveyor belt drives
Process water handling — DAYTON self-priming centrifugal pumps (SKU 2ZXT4) for dewatering or transfer
Roofing and building services — DAYTON fixed ventilated roof curbs (SKU 4HX59) for filtered supply fan installations
Material handling — DAYTON latch assemblies (SKU 2KEN4) for electric chain hoist hook safety
Industrial air movement — DAYTON downblast roof exhaust fans (SKU 3HFL9) for clean air exhaust in manufacturing plants

Dayton Products

3G Electric supplies Dayton ductile iron poppet check valves. 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

Similar products

Matched by specification & description
DAYTON Spring Check Valve: Inline Valve Body, 1/2 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG70). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 1/2 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG70). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
DAYTON Spring Check Valve: Inline Valve Body, 3/4 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG71). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 3/4 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG71). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
DAYTON Spring Check Valve: Inline Valve Body, 1 1/2 in Pipe Size, Socket x Socket, PVC, Female, Std (MPN 4RG74). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 1 1/2 in Pipe Size, Socket x Socket, PVC, Female, Std (MPN 4RG74). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
DAYTON Spring Check Valve: Inline Valve Body, 1 1/4 in Pipe Size, Socket x Socket, PVC, Female, Std (MPN 4RG73). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 1 1/4 in Pipe Size, Socket x Socket, PVC, Female, Std (MPN 4RG73). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
DAYTON Spring Check Valve: Inline Valve Body, 1 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG72). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 1 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG72). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
DAYTON Spring Check Valve: Inline Valve Body, 2 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG75). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 2 in Pipe Size, Socket x Socket, PVC, Female, Socket (MPN 4RG75). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.

More from Dayton

View all Dayton parts
DAYTON Spring Check Valve: Inline Valve Body, 2 in Pipe Size, MNPT x FNPT, Ductile Iron, Male, NPT (MPN 4RK71). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.
Dayton
DAYTON Spring Check Valve: Inline Valve Body, 2 in Pipe Size, MNPT x FNPT, Ductile Iron, Male, NPT (MPN 4RK71). Key specifications — Brand: DAYTON; Poppet Material: Stainless Steel.