Altitude Control Valve
ZECO Valve Group is established in 1991, as an experienced china valve manufacturer. We have 5 factories in China, which are located in Shanghai, Yancheng and Wenzhou, which mainly manufacture pressure reducing valve, pressure relief valve, balancing valve, PICV, water valveand industrial valves.
Features of Altitude Control Valve
lAutomatic tank fill and shut-off without the use of floats or sensors;
lAccurate shut-off to within inches of set point;
lHigh level point adjustable with single screw;
lExhaust-to-atmosphere operation allows minimum pressure loss.
Altitude Control Valve Working Principle
Altitude control valve closes at a preset maximum water level to prevent overflow from an above-ground storage tank or cistern and opens to replenish water when the level of the storage tank or cistern is lowered. Altitude control valvewith a competitive altitude valve pricecontrols the high water level of the reservoir without floats or other devices. It remains fully open until it reaches the closed water level. The altitude valve operationis designed for one-way flow only. The altitude valveis hydraulically operated with a pilot control. The pilot control operates based on the force difference between the spring load and the water level in the reservoir. The pilot control measures the reservoir head through a customer supplied sensing tube connected directly to the reservoir.
Altitude Control Valve Material and Standard
Size Range: 2"~24"Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AMSE B16.5/16.42, AS4087, EN1092-2
Coating: WRAS approved Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2
|
Part |
Material |
Standard |
|
Body |
Ductile Iron |
EN 1563/DIN 1693 |
|
Bonnet |
Ductile Iron |
EN 1563/DIN 1693 |
|
Trim |
Stainless Steel 304 |
EN 10088-1/ASTM A959 |
|
Seat |
Stainless Steel 304 |
EN 10088-1/ASTM A959 |
|
Diaphragm |
EPDM / NBR |
ISO 4633 |
|
Pilot Valve |
Stainless Steel 304 |
EN 10088-1/ASTM A959 |
|
For materials options not listed, consult factory. Zeco manufactures valves in more than 50 different alloys. |
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