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U407 Angle Check Valve

U407

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.

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    ressure cover Take out spring and main valve Unload top level and locking nut, pay much attention as replacing 0-ring Adjusting bolt, keeping the clearance between top level and switch handle in the scope of 0.3~~0.5mm Install spring, pressure cover and sealed gasket. Trail run, to ensure operation flexible of nozzle and each sealed face without leakage Auto-shut nozzle Auto-shut nozzle is developed from general nozzle, which has function of automatic switch off. As container is full, nozzle valve is closed automatically, keeping clean and safety of operation environment. Due to this merit, this kind of nozzle is widely adopted in many brands of fuel dispensers. This handbook will introduce the structure and working principle of general nozzle. Structure Illustrated in Diagram 2-31, auto-shut nozzle consists of nozzle body, main valve, top level, switch membrane, auto-shut level, side valve core, spout, etc. 1-Nozzle body 2-Cap 3-Ejection pin 4-O-ring 5-Spring 6-Pressure plate 7-Main valve 8-Upper cover 9-Swtich membrane 10-autoshut bar 11-Steel ball 12-Assistant valve 13-Sleeve 14-Air inlet spout 15-Air inlet pipe 16-Spring 17-Spout 18-O-ring 19-Spring 20-Assistant valve core 21-Autocontrol bar 22-Supporting plate 23-Location-limited plate 24-Switch handle Diagram 2-31: Auto-shut nozzle Main structure of auto-shut nozzle as followed: Four holes in the circle of side valve, which are connected with the upper chamber of switch membrane via the gradient hole on nozzle body; the lower chamber of switch membrane connect to outside via the clearance between nozzle body an fuel dispenser d auto-shu fuel dispenser t level. There are three steel balls installed in holes of upper of auto-shut, lift switch handle, auto-shut level is stuck in by there balls; once auto-shut level move upward, main valve will be closed as switch lost supportive point. Metal sheet is installed on switch handle, which is controlled three different positions corresponding to three kinds of openness--- three kinds of flow rate. The spring on spout is fuel dispenser

technical specification

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    i, Druze and Christian settlements, many of which lie in close proximity to the Shia villages and towns of the south and the Bekaa valley. Throngs of the displaced—poor, aimless and, often, in the case of women, headscarved—have replaced central Beirut s fashion-conscious summer crowds. The chic shops and night spots that gave the Lebanese capital a cosmopolitan fizz stand shuttered, their owners and customers having taken to Christian hill towns or been evacuated by ship. It could get still worse A 50km-deep swathe of the country north of the Israeli border is now largely deserted. Naqoura s last hold-outs, five women and six men, fled in battered cars, fearfully tagging on to a UN convoy, after the Ghrayeb brothers death. All crossings of the Litani River have been severed, forcing aid workers to ford the stream on foot and deliver goods by hand. On August 7th Israel said that any vehicle moving south of the river risked being rocketed, virtually sealing off the port city of Tyre and grounding its large contingent of aid workers and journalists. The movement ban clearly anticipated a possible large Israeli ground offensive. Aside from the intensive pounding of border regions and cautious probing operations that have, in places, feinted as far as 10km into Lebanon, Israeli forces have so far shied away from full-scale armoured advances. They have continued to suffer severe casualties in the rear, for instance in the hamlet of Labbouna, right on the border, and in the ravaged town of Bint Jbeil, which Israel briefly captured in the first week of fighting. fuel dispenser The Isr fuel dispenser aelis slow progress is due partly to a concern to limit their losses and partly to the effectiveness of Hizbullah s nearly invisible fighting force, which is divided into small, self-contained units that are spirited, well-trained, well-entrenched and well-armed. Its guerrillas lightweight anti-tank rockets have been especially effective; Hizbullah says it has knocked out 60 of the Merkava-4 tanks that are amon fuel dispenser