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GHIBSON N501S-20 Ductile Iron Concentric Lug Butterfly Valve - Ductile Iron General-Service Butterfly Valves
GHIBSONDuctile Iron General-Service Butterfly Valves

GHIBSON N501S-20 Ductile Iron Concentric Lug Butterfly Valve

The GHIBSON Butterfly Valve is a 20-inch ductile iron general-service butterfly valve with a bare stem handle and a stainless steel disc. It is a concentric, lug-style valve rated for a maximum pressure of 250 psi…

SKU 3G-OTH-444951

Also listed as: N501S20 · N501S 20

Brand
GHIBSON
Item
N501S-20 Ductile Iron Concentric Lug Butterfly Valve
Part Number
N501S-20
Category
Ductile Iron General-Service Butterfly Valves
Available to Order
Also known as:N501S-20GHIBSON
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GHIBSON
Manufacturer Part Number
N501S-20
Type
Concentric, Lug, Ductile Iron
Handle Type
Bare Stem
Disc Material
Stainless Steel
Max. Pressure (CWP)
250 psi

Technical Documents

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

Product Description

The GHIBSON Butterfly Valve is a 20-inch ductile iron general-service butterfly valve with a bare stem handle and a stainless steel disc. It is a concentric, lug-style valve rated for a maximum pressure of 250 psi (CWP). The manufacturer part number is N501S-20.

Frequently Asked Questions

What is the GHIBSON N501S-20 butterfly valve used for?

The GHIBSON N501S-20 is a 20-inch ductile iron general-service butterfly valve used for on-off or throttling flow control in water, wastewater, and industrial process piping. Its concentric lug design allows dead-end service at rated pressure, making it suitable for isolation applications.

What are the specifications of the GHIBSON butterfly valve 20 inch?

The GHIBSON N501S-20 is a 20-inch concentric lug-style butterfly valve with a ductile iron body, stainless steel disc, and bare stem handle. It has a maximum pressure rating of 250 psi CWP. The valve is designed for general-service industrial applications.

Where to buy a GHIBSON butterfly valve worldwide?

3G Electric supplies the GHIBSON N501S-20 butterfly valve worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this 20-inch ductile iron valve.

How to select a GHIBSON butterfly valve for an application?

Select the GHIBSON N501S-20 based on pipe size (20-inch), pressure rating (250 psi CWP), and media compatibility. The stainless steel disc suits clean water and mild chemicals. For dead-end service, confirm the lug-style valve is installed with downstream flange support per standard practice.

Used in

Common applications for GHIBSON
Water and wastewater treatment — GHIBSON wafer-style butterfly valves with Buna-N seals for isolation and flow control.
HVAC systems — GHIBSON lug-style butterfly valves with lever handles for balancing and shutoff in chilled water loops.
Natural gas distribution — GHIBSON concentric wafer valves with FKM seals for on-off service in fuel gas lines.
Steam service — GHIBSON gear-operated butterfly valves with FKM seals for throttling in steam headers.
Chemical processing — GHIBSON ductile iron valves with stainless steel discs for corrosive media handling.
Power generation — GHIBSON large-diameter butterfly valves for cooling water and auxiliary systems.
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GHIBSON Products

3G Electric supplies GHIBSON ductile iron general-service butterfly valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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