U404 Foot Valve

U404 Foot Valve

Materials:

Body: Brass

Valve: Brass

Seal : Buna-N / Viton

Features :

Valve closing speed:0.5S

Medium: Gasoline, diesel , and kerosene

Operating Temperature: -30~~+55degree

U404 Series Foot Valves are installed on the bottom of suction tubes in the fuel storage tank to maintain prime in suction system fuel lines.

Double-poppet models provide redundant protection for holding the prime, and are ideal for installations where the valve is not easily accessible.

U404 Series Foot Valves feature precision metal-to-metal sealing arrangements.U404 Series Foot Valves are recommended for use on suction lines where the pressure does not exceed 34 ft of head (approximately 15 psi).

U404 Series Foot Valves are pressured tested to ensure accuracy

Screen protects the valve from debris

100% Factory Tested.

Package:

Net Weight Cross Weight Dimension

32kg/case of 20 35kg/case of 20 30x31.2x18.5cm/case of 20

Important:

The products should be used in compliance with applicable country, province and local Laws and regulations. Products selection should be based on physical Specifications and limitations and compatibility with the environmentand materials to be handled. HONGYANG makes no warranty of fitness for a particular use. All illustrations and Specifications in this literature are based on the latest products information available at the time of publication,HONGYANG reserves the right to make changes at any time in price, materials. Specifications and models and to discontinue models without notice or obligation.

erally is mounted centrifugal pump installed in tank. The inlet pressure of fuel dispenser with submersible pump is higher than atmospheric pressure. Submersible pump consists of pump, connecting pipeline and controller. The appearance of submersible pump and its position in tank is showed in diagram 2-10. Diagram 2-10: Submersible pump position and figure Submersible pump is composed of motor and centrifugal pump. Pump motor includes electromotor, wiring panel, overheat protector and pipeline; centrifugal pump has the elements of filter, anti-static subassembly, impeller and pump axis. Diagram 2-11: Main structure of submersible pump Connecting pipeline has two types of fixed and stretched. The former type consists of oil pipe, vapor-recovery pipe, lead pipe and wire. The later type is formed by oil pipe, vapor-recovery pipe, adjusting nut, lead pipe and motor wire. Controller is divided as two parts, upper and lower. Upper part have these components junction box, electric bridge, capacitor, exhausting plug, check valve, pressure adjustor, testing interface of exhaustion and pressure, leakage monitor of pipe. However, lower part is constituted by pipe jointer, lead terminals, pump holder, etc. By function, submersible pump is classified as four categories, namely, standard type, enhanced type, changing-frequency type and large flow type. The standard type access to general requirements, but the enhanced type not only increase flux than standard type, but also available to mix liquid of gasoline with alcohol. The changing- frequency submersible pump adopt pipe pressure to judge flux. Given a situation in inefficient flux and low pressure the electric frequency of motor would tune high through computer, so as to elevate rotate fuel dispenser speed and increase flux. Contrarily, to reduce electric frequency and rotate speed as pipe pressure being low, adjusting appropriate flo fuel dispenser wage. The large flow type is adapted in filing fuel dispenser station in where needs quickly operation. Some submersible pump has the flow speed of more

and responsible supervision of the emission　　tion of the image quality of digital X-ray　　 of time signals and standard frequency with　　detectors which has been successfully com-　　 the DCF long wavelength radio transmitter　　pleted.　　 (see Figure 4).　　 87　　Optics　　With the primary caesium atomic beam which also cover a project to reach the funda-　　clocks and the fountain clock CSF1 which mental quantum limit the quantum projec-　　practically runs in continuous operation the tion noise with an atomic ensemble. This is　　PTB will be well prepared for the near future important in particular for future atomic　　for the realization of the time scales. In con- clocks for which the PTB at present follows　　trast to the caesium clocks based on micro- two different strategies. In addition to the　　wave oscillators future atomic clocks which single stored ion atomic clouds with approxi-　　are proposed to meet the increased require- mately one million ultracold atoms promise　　ments of science and technology will work especially with respect to stability a signal-to-　　with optical oscillators. Last year the PTB noise ratio upon interrogation larger by　　made a breakthrough in the field. Radiation several orders of magnitude and thus a　　of a wavelength of 435 nm from a most stable higher short-time stability of the optical　　laser system was stabilized in two branches clocks. The higher fuel dispenser stability will then again　　in its respective frequency to the same transi- allow smallest systematic frequency shifts to　　tion of fuel dispenser two independent stored Yb+ ions. be i fuel dispenser nvestigated which limit the accuracy　　With

Darfur, one at Umm Sidir and the other at Karyare; there, the rebels killed about 100 government soldiers and took 200 prisoner. Even the government s strongholds do not appear secure. This week the UN evacuated most of its staff from el-Fasher, the capital of North Darfur, after fighting broke out in the market with rebel fighters; there had been rumours of an imminent attack on the town by a coalition of rebel groups. The northern army seems demoralised and ineffective, which is one reason why it has reverted to using the fearsome janjaweed Arab militias as its proxies, in combination with high-level bombing, to terrorise and subdue the locals. But the army s defeats may not lead to meaningful peace deals; so many different rebel groups now infest Darfur that striking any sort of agreement with them all has become dauntingly difficult. Chris Czerwinski, head of the World Food Programme (WFP) in el-Fasher, says that the recent fighting has created another 20,000 refugees to add to the hundreds of thousands already in the area. In the couple of months since the breakdown of a peace deal signed in May between one of the rebel groups and the government, many places have become too dangerous for aid workers. Between June and September, 13 local staff members of NGOs were killed in attacks on vehicle convoys in North Darfur. As a result, NGOs are now withdrawing staff from permanent postings servicing the refugee camps in some of the more remote areas. In a recent attack the janjaweed pillaged four WFP stores, taking about 1,000 tonnes of food destined for refugees. The fighting in Darfur has also spilled over into the Central African Republic and Chad; there, Sudanese-backed militias are attempting to overthrow President fuel dispenser Idriss Déby s regime, creating more refugees on the border between the two countries. Under the CPA, elections throughout Sudan (inc fuel dispenser luding for the presidency and the national ass fuel dispenser embly) have to be held not later than the summer of 2009. These may provide a way out of t