Gold Member Since 2015
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Dongguan Covna Automation Industry Co., Ltd.

Pneumatic Ball Valve, Flange Pneumatic Ball Valve, Ball Valve manufacturer / supplier in China, offering Pneumatic Flange Ball Valve with Stainless Steel, Covna Flange Connection 3 Inch Solenoid Valve, Drinking Water Solenoid valve for RO System and so on.

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Supplier Homepage Product Pneumatic Valve Pneumatic Flange Ball Valve with Stainless Steel

Pneumatic Flange Ball Valve with Stainless Steel

Purchase Qty.:
2-9 10-49 50+
FOB Unit Price: US $60 US $55 US $50
Purchase Qty. (Pieces) FOB Unit Price
2-9 US $60
10-49 US $55
50+ US $50
Get Latest Price
Production Capacity: 100000/Year
Transport Package: Plastic Bag, Box, Carton
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: HK552F
  • Connection Form: Flange
  • Nominal Pressure: 0.2~2.5MPa
  • Structure: Flexible Ball Valve
  • Function: Nc
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Size: Dn15~Dn50
  • Actuator: Double Acting, Spring Return
  • Specification: CE and RoHS
  • HS Code: 8481804090
  • Material: Stainless Steel
  • Driving Mode: Pneumatic
  • Channel: Straight Through Type
  • Type: Flexible Ball Valve
  • Temperature: Normal Temperature
  • Certification: CE and RoHS
  • Sealing: PTFE
  • Trademark: COVNA
  • Origin: Dongguan, Guangdong Province
Product Description

(1)   Fire protection antistatic design
(2)   Stem explosion proof device 
(3)   Pressure balance holes designed on the ball valve 
(4)   Double stem packing and counter pressure butterfly shrapnel device


water, oil, fluid, steam etc.

Medium Temperature





brass or stainless steel

Port size

1/2″~ 8″



AT actuator

single action/dual action



Voltage tolerance (AC)


Voltage tolerance (DC)


Pneumatic Flanged Ball Valve
Connecting typeFlanged connecting
Dimension standardGB, American Standard
Body materialCast iron,Carbon steel (WCB),Stainless steel(CF8, CF8M)
Seat materialPTFE,PPL,N,HY
Mode of actionDouble acting, single acting(spring return) of pneumatic actuator
ControlSwitch type, Adjust type
Selection of AccessoriesSolenoid valve, Limit switch,F.R.L, Manual Device.

We specialize in developing,manufacturing and selling solenoid valve,pneumatic valve,electric valve,pulse valve,pneumatic components,solenoid valve accessory,pipeline accessory,water valves,air solenoid valves,air cylinders,Pneumatic air water hydraulic cylinders,PU tube,hose,fitting,Couplings,Connectors,air unit,treatment unit,Filter,regulator,Lubricator etc in China. We are producing high quality and general quality, do not produce low quality items.
 Hope to do long business with you in the future.


Q: How much is our minimum order quantity?
A: Our minimun quantity is 1 Piece.
Q: What's your business scope?
A: Our business scope is air cylinder,air source treatment ,air solenoid valve ,motorize valve ,
pneumatic valve ,quick fitting,etc.
Q: What's your delivery date?
A: It depends on the number of orders. Delivery date is 7-30 days. If you need emergency products,
 we can speed up the production of the first arrangement.
Q: What is the price of the product?
A: Our prices are based on the size and type of material, if you can give me the information,
 then we can give you an estimated price is for reference only. We can do any size and any color.
Q: what types of products you can make ?
A: We can make many kinds of stainless steel materials processing. Valve/ solenoid valve /electric
 valve /pneumatic valve and air cylinder products and so on.
Q: How many years do you warrant?
A: 18 months warranty.
Q:How many years have you done valves,cylinders?
A: More than 13 years.

More Details:
Warranty 1 year
Great quality products
We stand behind the quality of our products 100%
All of our items come with a warranty to give you a peace of mind.
New Guaranteed: All of our items are in new condition in OEM or Original packing. 

Our package method is in perfect condition, or according customized.

MOQ: Customer design
We usually accept T/T(wire transfer), Western Union
Trade Currency: USD or RMB
TT 30% deposit in advance,70% balance paid before shipment.
(sample order) T/T / Western union 100% at sight

Shipment term: CIF/CFR/FOB Shenzhen China, EXW Dongguan China
Shipment date: 10-30 days after receiving the deposit
We will ship your items by sea, by air(DHL,UPS,FedEx,TNT, EMS,ARAMEX)

5.Contact information
Call the COVNA Customer Team:
We are here for you 24 hours a day-365 days a year.

6.Email us:
We look forward to helping you with your inquiry. We respond to email to message
in the order that they are received, and will respond to your email as quickly as possible.

7.Connect With Live Help:
Ask your question right now with trade manager.
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