Gold Member Since 2017
HY Machinery Co., Ltd.

Hydraulic Valve, Sectional Valve, Control Valve manufacturer / supplier in China, offering Zs-Ao-20 2 Spools Control Valve, 3 spool Directional control valve Hydraulic valve, Cast Iron Parts for Stoves ATV Parts Sand Casting Machines and so on.

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Supplier Homepage Product Hydraulic Multiple Valve Zs-Ao-20 2 Spools Control Valve

Zs-Ao-20 2 Spools Control Valve

FOB Price: US $70-80 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $70-80/ Piece
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Production Capacity: 5000 Sets / Year
Transport Package: Carton Box, Wooden Box
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: Zs-Ao-20
  • Installation: Threaded Cartridge
  • Type: Directly Operated Type
  • Specification: Grey Iron
  • HS Code: 8481804090
  • Function: Reversing
  • Drive: Manual
  • Trademark: HYM
  • Origin: Hebei
Product Description

2 Spools Manual Control Valves, it is the most conventional type, widely used in trucks, steel bar bender, steel bar straightening and shearing machine, also some special equipments.

Product NameZs1 Cast Iron Valve Medium Pressure 2 Spools for Trucks
MaterialGrey Iron 
Working Pressure(MPa)16
Max Pressure(MPa)25
Sections/Spools2 (1-12 spools are optional)
Acting TypeDouble / Single Acting
Allowed Back Pressure(Mpa)≤2.5
Hydraulic Oil Tem. Range(ºC)-20 ~ +80
Hydraulic Oil Visc. Range(mm2/s)10 ~ 400
Hydraulic Oil Filtrating Accuracy(μm)≤10

Valve manufacturing is a serious and precise work, each part need to be checked during each working procedure, each procedure should be controlled strictly and correctly. Here let us give you a short introduce as follows, Laboratory - Mould - Casting - Machining - Washing - Assembling - Testing - Package. 

  1. Every valve starts from laboratory.
  2. Processing our own casting workshop, to control the quality at the beginning. 
  3. Adopting advanced automated equipment to make casting, each casting needs to be checked by endoscope, to ensure the inside is good enough.
  4. Using special purpose equipment to bore the main hole and grind spool, using pneumatic measuring instrument to control the fit clearance between main hole and spool within 8μm,to ensure the valve works smoothly.
  5. Each part needs to be washed cleanly before assembly. 100% test, all assembly and test work are done by experienced workers, to ensure each valve is qualified.
  6. Package Workshop, each valve - plastic bag - carton box - customized wooden box, to ensure the safety during sea transportation.
Zs-Ao-20 2 Spools Control Valve
Zs-Ao-20 2 Spools Control Valve
Zs-Ao-20 2 Spools Control Valve
Zs-Ao-20 2 Spools Control Valve
Zs-Ao-20 2 Spools Control Valve
Zs-Ao-20 2 Spools Control Valve

We offer conventional series valves, we also can make according to customers' drawings and samples. 
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Mrs. Penny Yan
Sales Manager
To: Mrs. Penny Yan

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