U407 Angle Check Valve

U407 Angle Check Valve

U407 Angle Check Valves are installed on suction system, fuel lines on top of fuel storage tanks to maintain prime. Models are available with male threaded inlets for connection directly into tank bung fittings or with female inlets for connection to a nipple that is threaded into a tank bung fitting. Single-poppet models can be used in applications where the valve is easily accessible for maintenance and disc cleaning or replacement.

Materials:

Body: cast steel

Surface: electronic Nickel plated

Seal : Viton Cased Oil Seal

Features:

U407 features a spring-loaded poppet and Viton Cased Oil Seal discs to assist in keeping the valve closed when installed in high-vibration areas

The Angle Check Valves are recommended for use on suction lines where the pressure does not exceed 34 ft of head. ( approximately 15 psi.)

Materials is cast steel diffrent with cast iron materials , the body will be more stronger more hermetical more pressure resistance

Used for disel, gasoline, ethanol etc.

100% Factory Tested.

causing noise and abnormal vibration is many, either because of fuel dispenser�or exterior elements (pipe trouble). Therefore, it is first to exclude exterior reason of fuel dispenser, then interior one when overcome the above situation. After that, examine strainer and clean dirty. Next parts being checked is overflow valve. Tight spring will stick valve core and generate large noise and vibration. In addition, don’t pursue large flow rate through adjusting spring extensively, since that will shorten the service life of fuel dispenser due to large system pressure. If noise is still large after the above maintenance, pump should be disassembled so as to examine vane and spring whether broken. If these parts are broken the outlet flow fluctuation of pump would be enhanced, as well as noise and vibration. The solution method is to change a new vane and spring. Leakage Leakage is divided as two categories, namely, inner leakage and outer leakage. Under the high oil pressure in hydraulic system oil is leak from high pressure area to low area, which is called inner leakage. The abrasion of vane, rotor and frame result in extensive inner leakage so as to reduce delivery volume of fuel dispenser. The outer leakage is the one oil leak from inner hydraulic system into outer, which increase unsafe environmental elements except from affecting the normal working performance of pump. To change a new oil seal when find a leakage coming from the root of pump axis. Be sure that don’t make a mistake in installing oil seal. Diagram 2-7 show the correct position ----- the labium of oil seal should face to inner chamber. In addi fuel dispenser tion, tight V wheel also hurts the surface of oil seal next to pump axis so that its capacity is invalid. Diagram 2-7 The most leaking sections are the connecting face---- between pump cover and pump frame, between pump frame and vapor separator, place of cap nut of overflow valve. All of reasons are damaged s fuel dispenser eal loop or seal gasket, thus change new sealed components as soon as quickly. fuel dispenser

value)　　 DISPLAY DATA　　 10 asc15 R(1-2) O　　 Product_Name　　 Specifies the product name W(1-2)　　June 2005 IFSF - STANDARD FORECOURT PROTOCOL FP32_114　　 PRICE POLE APPLICATION　　 Page: 23　　 PRICE POLE SEGMENT DATABASE　　 DB_Ad = PP_ID (21H-24H) + SEG_ID (11H-1FH)　　 Data Field Type ReadWrite MO　　 Data Element Name　　 Description　　 _Id (Value) in State　　 11 asc8 R(1-2) O　　 Fuelling_Mode_Name　　 W(1-2)　　 Specifies the Fuelling mode name.　　 12 asc60 R(1-2) O　　 Display_Text　　 W(1-2)　　 The auxiliary display allows a CD to display a message on　　 a PPS.　　 13 bin8 R(1-2) O　　 fuel dispenser Card_Type_Light　　 W(1-2)　　 To switch the light of the card type display. Up to 8 card　　 displays are in a segment (0 = off 1 = on).　　 bit0 = card type light 1　　 bit1 = card fuel dispenser type light 2　　　　　〠fuel dispenser

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