Proportional Stainless Steel Regulating Valve Flanged Sleeve Type Pneumatic Diaphragm Control Valve with Positioner
Product Specifications
- Size
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Product Highlights
- Stainless steel valve body construction, excellent resistance to corrosion for chemical, water and oil medium applications.
- Precise flow modulating performance, accurately adjust pressure, temperature and flow rate to stabilize process conditions.
- Pneumatic diaphragm actuator with fast response speed, realizing timely regulation for industrial automatic systems. 4. Reliable sealing structure, low leakage rate, effectively preventing medium loss
- Wide applicable temperature range, stably operate under high & low temperature working conditions.
- Compatible with electro-pneumatic positioner, easy to connect with DCS/PLC industrial automatic control system.
- Flanged connection design, convenient for on-site installation, disassembly and routine maintenance.
- Robust integral structure, strong anti-vibration capability, suitable for harsh industrial working environments.
- Multiple flow characteristic options (linear / equal percentage), match diverse production process requirements.
- Long service life with low wearing parts consumption, greatly reduce equipment operation and replacement costs.
Product Attributes
- Customization
- Available
- Temperature
- High Temperature
- Certification
- RoHS, CE, ISO9001
- Model NO.
- Pneumatic Control Valve
- Media
- Gas, Oil
- Standard
- Standard
- Connection Mode
- Flange
- Power
- Handle Ball Valve
- Material
- Stainless Steel
- Type
- Diaphragm Valve
- Warranty
- 1 Year
- End Connection
- Flanged
- Port Size
- DN25~DN200
- Temperature of Media
- Normal Temperature
- Customized Support
- OEM
- Working Pressure
- 0~1.0MPa
- Sealing Material
- EPDM, PTFE
- Structure
- Diaphragm Valve
- Application
- General
- Number of Ways
- 2 Way Ball Valve
- Certificate
- CE, RoHS, ISO9001, TUV
- Trademark
- COVNA
- Origin
- Guangdong, China
- Production Capacity
- 10000 Piece/Pieces Per Month
- Package Size
- 100.00cm * 100.00cm * 100.00cm
- Package Gross Weight
- 10.000kg
- Lead Time
-
15 days (1 - 1 pieces)
To be negotiated ( > 1 pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Proportional Stainless Steel Regulating Valve Flanged Sleeve Type Pneumatic Diaphragm Control Valve with Positioner
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Product Description


This stainless steel pneumatic control valve is designed for accurate flow control, pressure regulation, and temperature control in demanding industrial process systems.
Built with a corrosion-resistant stainless steel valve body and a pneumatic diaphragm actuator, it delivers fast response and stable modulating performance for chemical, water, oil, and general industrial media.








Product Name | Pneumatic Control Valve |
Keywords | Air Diaphragm Modulating Valve |
Operating Pressure Range | 0-1 MPa (0-145.04 Psi) |
Operating Temperature Range | -50 °C ~ 100 °C |
Medium | Water |
Power | Pneumatic |
Interface Size | 1"~12" |
Port Sizes | DN25~DN200 |
Work Pressure | 0~1.0 MPa |
Sealing Materials | EPDM Rubber, PTFE |
Termination | Flange |






A: We usually quote within 3 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry as a priority.
A: After price confirmation, you can request samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you with a sample for free, as long as you cover the express freight.
A: After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.
A: After you place an order, the production handling time is about 45-60 days. We need 15 days to prepare all the stuff, then 30 days for manufacturing.
A: Normally, we use shipment to transport the goods. It is about 25-40 days. It also depends on which country and port you are. It could be shorter if you need to send the goods to Asia.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR262796". Items marked "" are certified.
Company Profile
COVNA GROUP Co., Limited
Enterprise introduction
COVNA GROUP Co., Limited is COVNA GROUP Co., Limited. Was established in 1999, specializing in the production of flow in the pipeline special [solenoid valve, electric valve and pneumatic valve and air source treatment unit], [families, under its own brand name willy COVNA "] marketing all over the world, and in the international market and to Europe, the U. S., Japan and other major industrial countries competition, quality deeply sure.
At present in two position twoway valveway valve [solenoid valve] in the field. Export capacity the first in the nation, sales of all over the world, the general manager since Valve industry and stepped into the flow in the pipeline, ShengLiHua this industry automation, namely in the [quality first, service first, reputation first] three first management concept, make the product quality and production in the international market and to Europe, the U. S., Japan with the reasonable price, more France, Spain, and other countries of the world medical devices designated device [families, has COVNA "] electromagnetic valve, visible brand has been sure people from all walks of life.
COVNA GROUP Co., Limited. Has the production of [pneumatic valve], itself for the fluid is very wide, as long as the user with the correct liquid, use the stress, can provide to customers the most satisfactory. [solenoid valve] in the quality control, the development, the perfect advanced industrial countries, perfect after-sales service, is the families as willy clinging, [solenoid valve] specifications from 1/8 "~ 4", the threaded, law mouth, closed type aperture (electricity open), often open type (electricity closed), explosion proof type, the specification is complete. Material is forging copper, casting copper, iron, stainless steel precision casting # 304, PVC and iron Christopher long body, suitable for: Steam, water, air, gas, vacuum, light oil, heavy oil, acid and alkaline fluid.
This company produces the [solenoid valve] and [pneumatic valve] has been widely used in machine automation design, such as water level control, temperature control, air conditioner, automatic filling equipment, fire control, professional irrigation, the SPA massage (SPA), steam dipping, solar water heating engineering, water treatment and environmental protection equipment, chemical industry machine food machine, etc.
If the industry in all kinds of control valve design and development of need, our company is (ISO-9001) international product guarantee recognize factory, and through the [(industrial safety norms, ( [UL429] the authentication, have research and development department for the industry to design services and solutions to problems.
The company's families will the introduction of new products, please note dealers, welcome to join us!
[ COVNA"]-global trust!
Mainland company: COVNA GROUP Co., Limited
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Room 101, Building 3, No. 26, Hantang Street, Dongcheng Street, Dongguan, Guangdong, China
-
Plant Area
- 10000 square meters
-
Number of Employees
- 51
-
Registered Capital
- 50,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port, Guangzhou Port
-
Minimum Order Quantity
- 1
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Pneumatic Valve, Solenoid Valve, Motorized Valve, Manual Valve, Pneumatic Cylinder
-
Production Lines
- 8
-
Production Machines
- CNC, Drilling Machine, Automatic Screw Driver
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2013-05-16
-
Export Year
- 13 Years
-
Main Markets
- Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 7
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- When can I get the price?
- We usually quote within 3 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority.
- How can I get a sample to check your quality?
- After price confirmation, you can require for samples to check our quality. If you just need a blank sample to check the design and paper quality, we will provide you sample for free, as long as you afford the express freight
- How long can I expect to get the sample?
- After you pay the sample charge and send us confirmed files, the samples will be ready for delivery in 3-7 days. The samples will be sent to you via express and arrive in 3-5 workdays. You can use your own express account or prepay us if you do not have an account.
- How long does the whole procedure being worked out?
- After you place a order,the production handling time is about 45-60 days. We need 15 days to prepare all the stuff then 30 days for manufacturing
- What about the transportation and delivery date?
- Normally we use shipment to transprot the goods.It is about 25-40 days. It also denpends on which coutry and port you are. It could be shorter if you need to send the goods like Asian.
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