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ZOELLER 30-0257 Cast Iron Swing Check Valve, 2 in, Female NPT - Cast Iron Swing Check Valves
ZOELLERCast Iron Swing Check Valves

ZOELLER 30-0257 Cast Iron Swing Check Valve, 2 in, Female NPT

The ZOELLER Check Valve: Swing is a 2 in cast iron inline valve body with female connections, designed for water media. 3G Electric interprets your demand for this MPN 30-0257 valve and delivers it with specialist…

SKU 3G-OTH-92530

Also listed as: 300257 · 30 0257

Brand
ZOELLER
Item
30-0257 Cast Iron Swing Check Valve, 2 in, Female NPT
Part Number
30-0257
Category
Cast Iron Swing Check Valves
Available to Order
Also known as:30-0257ZOELLER
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Technical Specifications

ZOELLER
Manufacturer Part Number
30-0257
Type
Inline Valve Body, For Water Media, Cast Iron, Female
Pipe Size
2 in

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

Product Description

The ZOELLER Check Valve: Swing is a 2 in cast iron inline valve body with female connections, designed for water media. 3G Electric interprets your demand for this MPN 30-0257 valve and delivers it with specialist sourcing across 14 industrial departments, anchored by deep expertise in pumps and controls.

Frequently Asked Questions

What is a ZOELLER swing check valve used for?

A ZOELLER swing check valve prevents backflow in water piping systems. It is commonly used in sump pump discharge lines, wastewater, and drainage applications where a reliable, gravity-operated closure is needed to protect pumps and plumbing from reverse flow.

What are the specifications of the ZOELLER 30-0257 check valve?

The ZOELLER 30-0257 is a cast iron swing check valve with a 2-inch pipe size and inline valve body. It is designed for water media and features female NPT connections. The valve uses a swing disc mechanism for low-pressure drop operation.

Where to buy ZOELLER check valves worldwide?

3G Electric supplies ZOELLER check valves worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the ZOELLER 30-0257 or other models.

How to install a ZOELLER swing check valve?

Install the ZOELLER swing check valve in a horizontal or vertical upward flow position with the arrow on the body pointing in the flow direction. Ensure the disc swings freely. Use pipe sealant on threads and support the valve to avoid stress on connections.

Used in

Common applications for ZOELLER
Residential and commercial wastewater — Zoeller sewage ejector pumps and simplex control panels for single-phase 115/200/230V AC systems.
Pressure sewer systems — Zoeller Shark Series and Model 641 grinder pumps with cast iron guide rail systems for 1-1/4 inch MNPT or 4-inch flange discharge.
Sump and drainage piping — Zoeller PVC silent spring-loaded swing check valves in 1-1/2 inch, 2 inch, and 3 inch pipe sizes to prevent backflow.
Pump station retrofit — Zoeller guide rail systems with adapters and stainless steel positioning brackets for raising and lowering pumps without entering wet wells.
Effluent transfer — Zoeller effluent pumps and demand dose control panels for timed dosing in septic and wastewater systems.
Industrial fluid handling — Zoeller cast iron guide rail systems and check valves for water media in process and utility piping.
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ZOELLER Products

3G Electric supplies ZOELLER cast iron swing check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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