WOODWARD 5501-470

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WOODWARD 5501-470

¥454.00

Description

De-energize thesolenoid.The three-way solenoid connects the pressureon thecontrol land of the second stage piston to thevent.The spring underthe second stage piston overcomes the pressureon thecontrol land and drives thesecond stage piston to the opposite end of its bore, seating the second
stage ballseat and sealingthe actuation air pressurefrom the primary stage piston control land.As the second stage piston moves to the opposite end of its bore, the piston
separates from thesecond stage piston seal and allowsthe pressureon theprimary stage control land to vent.The primary stage returm spring overcomes the pressure on the
controlland and drives the primarystage piston againstthe primary stage piston seal.m filter screen protects the pilot stage of the valve and the solenoid control valve
from damage dueto particulate contamination. No screen or filter is provided for the fuel flowing to the turbine.The valve is either fully open or closed, sealed tightly
off.Failsafe PrincipleThe USOV operates with three stages of valving.This design is necessary to ensure the high-speed fuelisolation and maintain the low-pressure drop/high
flowrate valve.Each of thethree stages is springloaded with the force needed to ensure valveclosure.The first stage solenoid valve is a poppet-style solenoid, spring loaded
withanInconel springtotheclosed position, requiring a voltage supply to allow pilot pressure to the second stage piston control land.The second stage piston assembly has a
dualfunction for the valve. In the normally closed position, thepiston is spring loaded to seal pilot pressure from the primary stage by seating a stainless steel ball,whilesimultaneously opening a large vent that allows any pressure from the primary stage to vent through anexternal breather vent. Actuation air pressure greater than 80 psig (552 kPa) is required at the secondstage control land to overcome the spring force and move the piston to the opposite end of its bore. Inthis position the vent connection is sealed by an encapsulated 0-ring/face seal while simultaneouslyallowing actuation air pressure to fill the primary stage control land.The primary stage piston is spring loaded to the closed position and seated against a face seal.Actuationair pressure greater than 80 psi (552 kPa) is required at the control land of the third stage piston toovercome the spring force and allow the piston to move to the open position.
[Service contact information]
Tel: 18030177759 (WeChat with the same number)
WhatsApp:+86 18030177759
QQ:2797820256
E-mail: xiongbacarrey@qq.com
Website: https://www.weikunfadacai1.com
Address: Unit 2009, 20/F, 1733 Luling Road, Siming District, Xiamen
Shipment: EMS, DHL, UPS and FEDEX
Payment method: telegraphic transfer
Supply capacity: 30 sets/set per month
Price: the more orders, the lower the price
Delivery: inventory, delivery within 3 days
Address: Unit 2009, Innovation Center, 1733 Lvling Road, Siming District, Xiamen
① 24 hours email reply (12 hours);
③ For goods shipped to countries outside Asia, please contact the Seller.
Xiamen Xiongba E-commerce Co., Ltd. main brand;
ABB GE
bentley Woodward
FOXBORO
WESTINGHOUSE Schneider
AB Motorola
GE EMERSON
YOKOGAWA Honeywell
EPRO ICS TRIPLEX
It is mainly used as the card driver of the spare parts module for the four major systems of PLC DCS robot servo
1. For inventory items, we will ship them to you within 3 days after receiving payment
2. We can ship goods to all parts of the world through DHL, UPS, FEDEX, TNT and EMS.
3. If you have a freight forwarder, please inform us before shipment.
4. We will pack the parts in strong boxes. If you have any special needs, please inform us.
5. We usually deliver the goods before 4:30 p.m., and we will send the tracking number to you after delivery. It takes 7-15 days to receive the package.
6. Please email us after receiving the package.
7. Please include all information when inquiring about the transportation cost, otherwise it will slow down the process.
8. What is your postal code?
9. If you have a company name, what is your company name?
10. If you have a telephone number and extension number, what is your telephone number?
11. We are the largest supplier in the region. We have great advantages in all kinds of popular and discontinued models. If you have models and spare parts that you can’t find here, you can boldly send me to help you check!!!!!!
12. We only make spare parts for high-voltage and medium-high voltage products!!!!!!!

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