U701-A Explosion-proof Motor

U701-A Explosion-proof Motor

This motor main used as necessary accessories with pump of dispenser. The quality & performance are steady.

Technique Function:

Voltage:220V 50Hz,single phase.

Power:750W(1HP)/1KW

RPM:1390r/min

FLA:4.9A,Locked current:27A

Rated torque:5.03N.m,Max torque:11.6N.m,Locked torque:9.87N.m

KVA code:H,Termo-Protector:Y

Temperature: -40~~+55degree

Package:

Packing : Carton dimensions: Net weight: Gross weight:

1set/carton 425 x 255 x 230mm 12kg 12.5kg

Explosion-proof approval:

This motor has been tested and granted Ex approval.The Ex-approval

is EX d IIA T3.Ex certificate number is CE991209.

This device often is installed on check valve, hose pipeline also release certai fuel dispenser n hydraulic pressure. Pipe Resonance Apart from hydraulic stock, other hydraulic components also cause a certain degree of noise in pipeline, such as vane pump, overflow valve, vapor separator, measurement transducer, solenoid valve and nozzle. Sometime pipe resonance will be generated if the inherent frequency of pipe equivalent to hydraulic pulse resulted from hydraulic components of fuel dispenser. At that time, the normal working state will be affected, which is harmful to staff’s health due to intensive noise. In order to explain this problem, the inherent frequency of pipe is introduced here. Pipe inherent frequency is: ω0 = kπ/2 l2 ·EJgGd+Gj (2-14) In the above formula: ω0 ── inherent frequency of pipe l ── supporting point distance E ── elastic modulus of pipe material J ── inertial moment of pipe section g── acceleration of gravity Gd── weight of pipe per meter Gj──liquid weight in per meter of pipe K── modifying coefficient K= 1-pA+mv/2π2EJA/l2 (2-15) In above formula: A ──pipe section m ──liquid weight in per meter of pipe v ──velocity of flow of liquid in pipe Several relative parameters affect the inherent frequency of pipe in Form fuel dispenser ula 2-14. Therefore, most manufacturers pay much attention to these elements that affect pipe inherent frequency and pulse frequency of hydraulic components in the design and manufacture of fuel dispenser, making the two frequencies as much different as possible so as to appear pipe resonance in fuel dispenser. 3. Hose used for fuel dispenser There are two kinds of hose used in fuel dispenser. one is made according to GB/T10543 Rubber Hose Used for Refueling and Discharge of Airplane, connected oil indicator with no fuel dispenser zzle; the other kind of hose is used in fuel dispenser with vapor recovery device, not only connecting oil indicator with nozzle,

d IR1087 .　　 Date Version Modifications　　 number〠fuel dispenser €ã€€June 2005 IFSF - STANDARD FORECOURT PROTOCOL FP32_114　　 PRICE POLE APPLICATION　　 Page: 5　　 January 2003 1.12 Removed contact details for IFSF Technical Support and made reference to the　　 IFSF web site instead.　　 Chapter 2.1　　 References to Fuelling Point replaced with Price Pole.　　 Chapter 3.1　　 PR_ID changed address to 41H-48H .　　 Removed software download A1H .　　 Chapter 3.2　　 Entire content of this chapter removed and replaced with a reference to　　 Engineering Bulletin No.11.　　 Chapter 3.3　　 Protocol_Ver(Data_Id 58) reference to Dispenser altered.　　 Segment_Layout title amended.　　 Price_Pole_State(Data_Id 71) title amended to be co fuel dispenser nsistent with other　　 specifications.　　 Chapter 3.8　　 References Fuelling Point replaced with Price Pole.　　 Minor Error spare range address amended to 43H-5FH　　 Date Version Modifications　　 number　　 September 1.13 Chapter 3.8　　 2003　　 Error code database amended to standard error code range of addresses fuel dispenser .　　 Date Version Modifications　　 number　　 June 2005 1.14

from 60 to 65. London s tube drivers regularly threaten chaos in the capital. A p fuel dispenser roposed merger of three of the biggest unions—Amicus, the Transport and General Workers Union and the GMB—would create a powerful ‘super-union . Even in the long-suffering armed forces, more familiar as strike-breakers, there is talk of forming a union. At first glance, that prominent union profile sits uncomfortably with the figures, which suggest that trade unionism is a spent force in Britain. In 1979 13.2m workers were union members; today only around 7.5m are, though the decline seems to have halted of late. Just 158,000 working days were lost to strikes in 2005, compared with an average of 7.2m a year in the 1980s and 12.9m in the 1970s. Union membership has collapsed in most rich countries. The decline of heavy industry and the rise of service businesses where labour is highly mobile have made it hard for unions to recruit and retain members. “At one extreme you have individuals who are in such a strong position that they don t need unions to bargain for them,� says Richard Hyman, of the London School of Economics. “At the other you have people in low-skilled, insecure jobs with short-term contracts and a lot of staff turnover.�William Brown, at Cambridge University, points out that globalisation gives bosses a powerful stick to control t fuel dispenser heir workers with “If you have a strike today, the first response of an employer may be to outsource everything.� Only in the public sector—safely insulated from the disciplines of the market—have these forces been resisted. Public-sector unions have received a recent boost from New Labour s spending splurge, which has created 700,000 state-financed jobs. Even so, public-sector workers account for only a little more than a fifth of the nation s payroll. But the union members among them now outnumber their priv fuel dispenser ately-employed comrades (see chart 1). They also do most of the striking (see chart 2). Politics, too, has played its part. Margaret