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

Pneumatic Butterfly Valve, Butterfly Valve, Cast Iron Butterfly Valve manufacturer / supplier in China, offering Cast Iron Positioner Pneumatic Butterfly Valve, 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 Cast Iron Positioner Pneumatic Butterfly Valve

Cast Iron Positioner Pneumatic Butterfly Valve

Purchase Qty.:
1-9 10-49 50+
FOB Unit Price: US $60 US $55 US $50
Purchase Qty. (Pieces) FOB Unit Price
1-9 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, Money Gram

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Basic Info
  • Model NO.: HK59-S1
  • Connection Form: Wafer
  • Seal Form: Force Sealed
  • Work Pressure: 0.2~2.5MPa
  • Material of Seal Surface: Soft Sealed
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Acting: Spring Return, Double Acting
  • Sealing: PTFE
  • Trademark: COVNA
  • Origin: Dongguan, Guangdong Province
  • Driving Mode: Pneumatic
  • Structure: Butterfly
  • Valve Stem: Normal
  • Working Temperature: -20~180 Degree
  • Valve Body: Sheet Metal
  • Certification: CE and RoHS
  • Connection: Wafer
  • Color: Red, Orange, Blue, Black
  • Specification: CE and RoHS
  • HS Code: 8481804090
Product Description


Water, oil, steam, liquid etc. 

Medium Temperature





Stainless steel or steel or cast iron

Port size




The plate of Butterfly valve

Stainless steel or steel

AT actuator

Single action/dual action



Voltage tolerance (AC)


Voltage tolerance (DC)


Valve Body
Nominal Diameter: DN50 ~ 300mm
Nominal pressure: PN1.0, 2.5MPa
Connection: Flanged \ Wafer
Sealing material: FPM, EPDM, NBR
Temperature: 0 ~ + 60 ºC
Body material: Stainless Steel UPVC, CPVC, PP
Spool Material: UPVC, CPVC, PP, PTFE
Medium: PVC food industry chemical solvents compatible
Valve plate forms: Butterfly (vertical plate)
Flow characteristics: Linear
Actuator Model: CHR, 381R, HQ
The main technical parameters: Power supply voltage: 220V / 50Hz, 380V / 50Hz, input signal: 4-20mA or 1-5V · DC, output signal: 4-20mA · DC
Protection class: Quite IP67, explosion-proof mark: ExdIIBT4, handheld features: Handles, hand wheels
Ambient temperature: -25 ~ + 70 ºC, humidity: ≤95% 
Disc, lightweight operation of the valve, tight sealing performance, long life; Can be used to quickly cut off or regulate the flow purposes. For applications that require a reliable seal and good regulation characteristics of the occasion. Body using split, seal the ends of the valve shaft by the rotating disc and seat base between fluoride rubber to control; Ensure that the valve shaft is not in contact with the cavity fluid medium. Widely used in various types of industrial pipeline liquids and gases (including steam) delivery, there is a serious corrosive media occasions, such as: Sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, alkali, aqua regia and so has strong corrosion of media. 


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. 

1. Warranty
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. 
2. Package
Our package method is in perfect condition, or according customized. 
3. Payment
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
4. Delivery
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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