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ASCO NF8551B401 Pilot | 2-Way, 1/4" NPT, 24V DC, Normally Closed, for Pneumatic Actuator

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ASCO NF8551B401 Pilot | 2-Way, 1/4" NPT, 24V DC, Normally Closed, for Pneumatic Actuator

Grote Afbeelding : ASCO NF8551B401 Pilot | 2-Way, 1/4" NPT, 24V DC, Normally Closed, for Pneumatic Actuator Beste prijs

Productdetails:

Plaats van herkomst:	Ons
Merknaam:	ASCO
Certificering:	ATEX
Modelnummer:	NF8551B401 11550
Document:	ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf

Betalen & Verzenden Algemene voorwaarden:

Min. bestelaantal:	1
Prijs:	Bespreekbaar
Verpakking Details:	Karton
Levertijd:	Bespreekbaar
Betalingscondities:	T/T,XT,ALIPAY
Levering vermogen:	100 stuks per maand

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ASCO 2-way solenoid valve

1/4 NPT pneumatic actuator valve

24V DC normally closed valve

ASCO NF8551B401 Pilot | 2-Way, 1/4" NPT, 24V DC, Normally Closed, for Pneumatic Actuator

ASCO NF8551B401 11550 pilot valve specifications. 2-way solenoid pilot, 1/4" NPT, 24V DC, NC, for large valve actuation.

Product Overview

The ASCO NF8551B401 11550 is a 2-way, normally closed solenoid pilot valve designed for controlling the pilot air supply to larger diaphragm or piston-operated valves. It features a 1/4" NPT port size, operates on 24V DC, and is built with a brass body. This compact, reliable pilot valve is a key component for electrically actuating ASCO and other brands of process valves in industrial automation, water treatment, and power generation applications.

Technical Specifications (Valve)

Parameter	Specification
Manufacturer	ASCO (Emerson)
Series	NF (Pilot Valves)
Model	NF8551B401 11550
Product Type	2-Way Solenoid Pilot Valve (Normally Closed)
Valve Size	1/4" NPT
Orifice Size	Small (for pilot air flow)
Body Material	Brass
Seal Material	Buna-N (Nitrile) standard
Media	Clean, dry air (for pilot supply)

Technical Specifications (Electrical/Performance)

Parameter	Specification
Voltage	24V DC
Coil Class	Class F (155°C)
Power Consumption	Low (typically 5-8 W)
Max. Pressure	150 psi (10.3 bar)
Media Temperature	-40 to 180°F (-40 to 82°C) with Buna-N
Ambient Temperature	-40 to 140°F (-40 to 60°C)
Connection	1/2" NPT conduit or plug connector
Response Time	Fast (direct-acting design)
Manual Override	Often included for manual operation
Certifications	cULus, CE

Key Features

Normally Closed Operation: Closes pilot air supply when de-energized
Direct-Acting Design: Simple, reliable operation without minimum pressure requirement
Compact & Robust: Durable brass construction for industrial environments
Low Power Consumption: Energy-efficient
Wide Compatibility: Designed to mount on and control ASCO and other process valves
Manual Override: Allows for manual testing and operation
Reliable Performance: For critical pilot duty applications
Easy Installation: Standard 1/4" NPT and electrical connections

Applications

Piloting large diaphragm or piston-operated valves (e.g., ASCO 8210, 8300 series)
Automated on/off control in water and wastewater treatment
Actuator control in power generation and industrial processes
General automation requiring a reliable solenoid pilot valve

ASCO NF8551B401 Pilot | 2-Way, 1/4" NPT, 24V DC, Normally Closed, for Pneumatic Actuator 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Ask & Questions

Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

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