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A1BEST International Corporation

Y type Remote Control Float Valve DN350

Y type Remote Control Float Valve DN350

Payment Type: L/C,T/T,Paypal
Incoterm: FOB,CIF
Delivery Time: 15 Days

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Basic Info

    Model No.: FLV08

    Certification: GS, RoHS, SGS, CE, ISO9001, Other

    Media: Gas, Oil, Water, Acid, Other

    Standard: Standard

    Connection Mode: Flange

    Power: Hydraulic

    Material: Alloy

    Type: Self-Operated

Additional Info

    Productivity: 100Kpcs per month

    Brand: A1BEST

    Transportation: Ocean,Land,Air

    Place of Origin: Taiwan

    Supply Ability: Depend on The Quantity

    Certificate: API Ce ISO Ts

    HS Code: 8481804090

    Port: Shanghai,Kaohsiung

Product Description

FLV08 Pressure Reducing Valve is a diaphragm type of HYDRAULIC CONTROL VALVE driven by the hydraulic pressure within the piping system. The function of the valve is to reduce the high pressure to the pre-set low pressure, and despite the fluctuation of medium flow or pressure before the valve the pressure after the valve will always remain stable and maintain the set pressure range.


FLV08 Pressure Reducing Valve is controlled by pressure reducing pilot valve and equipped with pressure reducing pilot valve, needle valve, mini strainer and ball valve, etc.
of the Basic Valve through the needle valve (1); When the pressure before the pilot valve (3) is lower than its pre-set value, the pilot valve will remain at full open position and the upper cavity room of the basic valve is not able to get accumulating pressure. Under this condition, the disc of the basic valve will be open at the water pressure from the inlet opening to allow water flow. The pressure reducing pilot valve closes gradually when the pressure after pilot valve exceeds its pre-set value. Pressure gets accumulated within the upper cavity room and membrane drives the disc down to close the valve till the pressure after the pilot valve gradually reduces to its pre-set value. The pilot valve opens again when the pressure after the valve becomes lower than the pre-set value, and the basic valve will then open with the release of the accumulated pressure in the upper cavity room.
The throttle orifice (5) that connects the lower cavity to the outlet serves to keep the reaction of the valve gentle and stable. The ball valve (4) controls the outlet water flow rate from the upper cavity room and thus to stabilize the action of the basic valve. The ball valve can be adjusted with different working conditions. In case of emergency, the ball valve can also be closed manually for cutting off of the basic valve.
◔ Property and advantages
• Driven by pressure of pipe system, work automatically with energy of pipe system to achieve energy conservation and environment protection.
• Controlled by the pilot valve, lower energy consumption, achieve accurate pressure reducing results, have function of stabilizing pressure after the valve.
• Dual cavity design, with functions of fully opening and fully closing. Slow shut causes no pressure fluctuation, and the diaphragm with support is well protected.
• Have internal orifice, connect bottom cavity and outlet of the basic valve, make sure stability of reaction to keep stability of pressure after the valve, avoid any vibration and noise.
• Channel with straight-flow, slight friction loss, no eddy flow and turbulent flow, cut down the damage of cavitation.
• Long pitch orientation design for stem move, stable and no gap resistance.
• Balanced automatically, big gap design on connection of disc and stem, disc is free on the vertical flat against stem, it can balance the tolerance from machining and sealing surface. Good connection without leakage. Achieve functions of both reducing dynamic pressure and reducing static pressure.
• Ductile iron castings with nodularity higher than 90%, foundry in house with advanced melting technology and strict quality control system, testing reports and testing bars can be supplied with order. Records and testing bars maintained for one year in the factory.
• Good corrosion resistance, with stainless steel, copper alloy, rubber made from DuPont and other rust- resisting material, fusion bonded epoxy coating both for interior and exterior surface of the basic valve. All the characteristics in accordance with ANSI/AWWA C550 and other international specifications like WRAS, NSF61.

Under normal conditions, water flow comes continuously from the inlet opening to the upper cavity room.


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Product Categories : Y Type Control Basic Valve > Y Type Float Valve

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