Gold Member Since 2011
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Ningbo Cowell Industry Co., Limited

Proportional Valve, Hydraulic Proportional Valve, Proportional Valve for Water manufacturer / supplier in China, offering High Pressure Fixed Hydraulic Proportional Valve for Water, High Capacity Hydraulic Impact PVC Sheet Crusher Machine, PA Screw Barrel for PA Processing and so on.

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High Pressure Fixed Hydraulic Proportional Valve for Water

FOB Price: US $55 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $55/ Piece
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Port: Ningbo, China
Production Capacity: 800sets/Month
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: PV101
  • Media: Gas, Oil, Water, Acid
  • Connection Mode: Flange
  • Material: Stainless Steel
  • Working Pressure: 0.15--0.8MPa(21--114psi)
  • Nominal Pressure: Pn10--Pn25
  • Suitable Medium: Water, Oil, Gas and etc
  • Body Material: CF8m (AISI 316) or CF8 (AISI304)
  • Chemical Resistant: Yes
  • Trademark: Cowell
  • Specification: DIN
  • HS Code: 8481804090
  • Certification: ISO9001
  • Standard: Standard
  • Power: Hydraulic
  • Type: Double Seater
  • Suitable Temperature: ≤80
  • Nominal Diameter: Dn50--Dn800
  • Valve Structure: Pilot Piston Structure
  • Actuator: Electric
  • Delivery Date: 10 Days
  • Transport Package: Wood Case
  • Origin: China
Product Description
High Pressure Fixed Hydraulic Proportional Valve for Water

Our proportional values are featured by simple structure, elegant profile, dependable quality, accurate proportion, steady operation, and reduction of both dynamic and static pressure.

Thess valves use the pressure difference caused by different sectional areas of the two ends of piston inside vlave body to change the back pressure of valve for pressure reduction.
HVAC system
Heating system
Water treatment system
 Industrial equipments
High Pressure Fixed Hydraulic Proportional Valve for Water
1. Adopting the fashionable LUDV control technology of the world, it can provide the max displacement according to the oil pump to realize proportional flow distribution of different execution mechanisms;
2. The flow distribution is not relative to the load pressure;
3. Valve lever uses circular orifice, having a more precious flow, more stable movement, to meet various of demand in Different working case;
4. Using median position low pressure relief mode is expandable to the variable displacement pump system in which the Variables cannot reach zero displacement, also applicable to constant delivery pump system at the same time.
5. Adopting multi-piece overlay, multi-channel proportional flow valve set can be formed by overlaying of working Couplets, to meet customer's demand, maximum to 8 couplets;
6. Closed core type used in variable pump, built-in load holding valve, built-in tank back pressure valve.
Efbg Series Proportional Pressure and Flow Control Valves (EBDG-03)
Technical parameter:

Body materialAluminum alloy ,polyamide PA
Control type Normally closed type,normally open type,reciprocating type.
Pneumatic accessories
Limit switch,positioner,solenoid valve, Filter relief-pressure valve,
manual operating device.
Nominal diameter DN15-300mm
Nominal pressure0.6-1.6MPa
Appliance temperature-30~+150ºC
Connection type Flange 
Body materialCast iron, cast steel, stainless steel
Valve cover materialCast iron, cast steel, stainless steel
Seat liningrubber,fluorine lined
Diaphragm materialEPDM,PTFE
Flange standardGB,JIS,DIN,ANSI
Appliance medium Strong acid ,strong alkali corrosion, strong corrosive medium.
SizeDN10 ~ DN100
Fluid Temperature-10ºC - +180ºC
Ambient Temperature-10ºC - +50ºC
Fluid Pressure≤1.0MPa,p≤0.15MPa
Air Pressure0.3-0.5MPa
Control Pressure4-20mA


1. Inner Packing is the PE film bag 
2. Out packing is Paper carton or wooden box packing 
3.Depend on the customer's requirements.
Delivery Detail:  20-25 working days.

High Pressure Fixed Hydraulic Proportional Valve for Water


1. Measure dimension of screw and barrel
2. Complete manufacturing drawing
3. Make optimal solution based on customer's require
4.Calculate the cost of goods
5.Take photos of finished screw barrel
6  Make booking and shipping schedule
7.Send customs clearance documents
8.Arrange factory visiting schedule
9.Assistant with customers to deal other matters

High Pressure Fixed Hydraulic Proportional Valve for Water


NINGBO COWELL INDUSTRY CO.,LTD was established in 2006. It's highly involved in manufacturing of injection screw barrel, extruder screw barrel, rubber machine screw barrel as well as ball screw, linear guide, which are the critical component of precision machinery and mainly applied to Plastics Injection Machine, Plastic processing extruder, Machine Tool, Engineering machine, Precision Orientation Equipment and other equipments and machines.
It has professional technician team, engaged in manufacturing and researching of screw barrel. Recent years, Cowell industry places great emphasis in upgrading not only the manufacturing and quality of screw barrel but also after sales service. We uphold the concept "customer first", to provide professional, promptly and attentive service as well as better solution to continuously create value for customers.Good reputation has won the recognition from domestic and oversea market. Now we have exported to more than 30 countries and regions, including Middle East, Southeast Asia, France, Denmark, Finland, Italy, Poland, Brazil and Chile etc.
We warmly welcome customers oversea to build long term cooperation relationship with us!
Year Company Established: 2006
Annual Sales Amount:  US$10 - 50 Million
Total No. of Staff:  51 - 100 People
Business Type: Manufacturer
Quality Certificate:   CE, ISO9001
Main Export Markets:   Western Europe, Eastern Europe, South America,    
 Southeast Asia, Mid East, Africa

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