DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat
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Product Highlights
- Robust Body Construction: Ductile Iron (GGG40/GGG50 or ASTM A536) with epoxy coating for corrosion resistance.
- Tight Sealing Performance: EPDM, NBR, and PTFE soft seats ensure bubble-tight shut-off and reliable long-term sealing.
- Wide Size Range: Standard sizes DN40-DN600, with smaller or larger sizes available upon request.
- Wafer Type Design: Fits ANSI, DIN, JIS, and GB flanges, saving installation space and cost.
- Rack & Pinion Pneumatic Actuator: Double acting or spring return type with NAMUR interface for solenoid valve, positioner, and limit switch integration.
- 100% Quality Testing: Every valve undergoes pressure, leakage, and functional testing before shipment.
- Wide Application Range: Widely used in water treatment, wastewater, HVAC, fire fighting, chemical, and industrial automation systems.
- International Certifications: ISO9001, CE, and TUV certified, with EN 10204 3.1 MTC, Certificate of Origin (CO), and MIC documentation available.
- OEM & Customization Support: Custom sizes, materials, actuators, and logo printing available.
- Easy Installation Design: Compact structure reduces piping space and improves maintenance efficiency.
Product Attributes
- Customization
- Available
- Media
- Water, Wastewater, Air, Gas
- Driving Mode
- Pneumatic
- Model NO.
- DN40-DN600
- Connection Form
- Wafer
- Structure
- Centre Sealing
- Seal Form
- Force Sealed
- Valve Stem
- Normal
- Work Pressure
- Low Pressure (Pn<1.6mpa)
- Working Temperature
- Normal Temperature (-40°C<T<120°C)
- Material of Seal Surface
- Soft Sealed
- Valve Body
- Casting
- Standard
- DIN ANSI JIS GB
- Application
- Industrial Usage, Water Industrial Usage, General
- Valve Body Material
- Ductile Iron (Ggg40 / Ggg50), Cast Iron
- Valve Disc Material
- SS304 / SS316 / Nickel-Plated Ductile Iron
- Seat Material
- EPDM / NBR / PTFE
- Actuator Style
- Double Acting / Spring Return (Single Acting)
- Actuator Structure
- Rack & Pinion
- Rotation Angle
- Standard 0-90° ±5°
- Interface Standard
- Namur
- Certification
- ISO9001, CE, TUV
- Mounting Standard
- ISO 5211
- Accessories (Optional)
- Solenoid Valve, Limit Switch Box, Positioner, etc.
- OEM
- Support
- MOQ
- 1
- Transport Package
- Wooden Case
- Specification
- DN40-DN600 (1½"-24")
- Trademark
- SLVCN / VEAPON
- Origin
- Jiangsu, China
- Production Capacity
- 50000 Set/Sets Per Year
- Package Size
- 30.00cm * 25.00cm * 20.00cm
- Package Gross Weight
- 3.000kg
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 DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat
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DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat -
DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat -
DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat -
DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat -
DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat -
DN40-DN600 Industrial Pneumatic Operated Ductile Iron/Ggg40/Ggg50/A536/Cast Iron/Stainless Steel Wafer Type Butterfly Valve with EPDM/NBR Seat
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Product Description
Product Overview
SLVCN Pneumatic Ductile Iron Wafer Butterfly Valve is designed for reliable on-off control of water, air, oil, and other compatible media. It is widely used in water supply, HVAC systems, irrigation, and general industrial pipelines.
The valve features a robust ductile iron(GGG40/GGG50) body with epoxy coating for enhanced corrosion resistance, combined with EPDM or NBR soft seat for tight sealing and long service life. The resilient seated design ensures smooth 90° quarter-turn operation with low torque.
The wafer-type structure allows easy installation between ANSI, DIN, and JIS flanges, saving space and reducing installation costs. Body materials such as cast iron, carbon steel (WCB), or stainless steel are available upon request.
Equipped with a rack & pinion pneumatic actuator (single-acting or double-acting) with NAMUR interface, the valve supports easy integration with solenoid valves, limit switch boxes, positioners, and air filter regulators for efficient automation. All valves are 100% tested before shipment to ensure reliable performance and consistent quality. ISO9001 & CE certified, OEM service is available.
Product Parameters:
Product Name | Pneumatic Ductile Iron Wafer Butterfly Valve |
Connection Size | DN40–DN600 (1½"–24"), smaller or larger sizes are available upon request |
Pressure Rating | PN10 / PN16 |
Valve Type | Pneumatic Concentric Wafer Butterfly Valve (Resilient Seated) |
Material of Body | Ductile Iron (GGG40 / GGG50), Cast Iron, WCB, SS304 (CF8), SS316 (CF8M), SS316L (CF3M) |
Valve Disc Material | SS304 / SS316 / Nickel-Plated Ductile Iron |
Seat Material | EPDM / NBR / PTFE |
Actuator Style | Double Acting / Spring Return (Single Acting) |
Actuator Structure | Rack & Pinion |
Rotation Angle | Standard 0–90° ±5° |
Interface Standard | NAMUR |
Mounting Standard | ISO 5211 |
Accessories (Optional) | Solenoid Valve, Limit Switch Box, Positioner, Air Filter Regulator |
Working Temperature | -10℃ ~ 120℃ (depending on seat material) |
Applications | Water Treatment, HVAC, Irrigation, Building Services, General Industrial, and Light Chemical Processing |
Certification | CE, ISO9001, TUV |
OEM | OEM Service Available |
Brand | SLVCN |
Quality & Testing
Packing & Delivery
Company & Trust
Jiangsu Shoulong Valve Co., Ltd., with the brand SLVCN, is a professional industrial valve manufacturer based in Nanjing, China. With over 20 years of valve manufacturing and export experience, we focus on the R&D, production and supply of reliable valve solutions for industrial pipeline systems.
Our main products include ball valves, butterfly valves, gate valves, globe valves, check valves and solenoid valves, as well as pneumatic actuators, electric actuators, air filter regulators, positioners, limit switch boxes and other valve automation accessories. We also manufacture ball valves for demanding service conditions, including forged steel ball valves, high pressure ball valves, cryogenic ball valves, high temperature ball valves, metal seated ball valves, DBB valves, fully welded ball valves, trunnion ball valves and top entry ball valves.
SLVCN valves are widely used in water treatment, oil & gas, chemical processing, power generation, HVAC, industrial equipment and general pipeline applications. We support standard and customized valve requirements. Valve size, pressure rating, body material, sealing material, connection standard, actuator type and accessories can be selected according to actual working conditions. OEM service and logo customization are also available.
To help ensure product reliability, our valves are inspected and tested before shipment. We can provide ISO9001 and CE certificates, as well as MTC, Certificate of Origin, pressure test report and inspection report according to order requirements.
With stable production capability, quality control and export service, SLVCN has supplied valves to customers in 100+ countries and regions, including Southeast Asia, the Middle East, South America, Africa and Europe. We serve distributors, project contractors, equipment manufacturers and industrial end users, providing reliable valve products, technical support and long-term cooperation.
Explore Our Valve Range for Your Projects:
Our full range of valves and automation accessories ensures reliable performance across industrial projects worldwide and supports a wide variety of applications.
FAQ
Q: Are you a manufacturer or a trading company?
A: We are a professional valve manufacturer with over 20 years of experience, providing direct factory production and sales.
Q: What types of valves do you offer?
A: We specialize in ball valves, butterfly valves, globe valves, gate valves, check valves, solenoid valves, and related actuators and accessories.
Q: Which industries and applications are your valves suitable for?
A: Our valves are widely used in Oil & Gas, Chemical & Petrochemical, Power Generation, Water Treatment, HVAC, Food & Beverage, Pharmaceutical, Marine & Offshore, Mining & Metallurgy, and other industrial process systems, delivering reliable performance in demanding operating conditions.
Q: What certifications do your products have?
A: Our valves are ISO9001 and CE certified, and comply with international standards such as DIN, ANSI, and JIS. Mill Test Certificates (MTC) and original certificates can be provided on request.
Q: How do you ensure quality before shipping?
A: Every valve undergoes 100% testing, including pressure, leakage, and functional tests. Rigorous in-house inspection ensures reliable performance under real operating conditions.
Q: Do you provide technical support and installation guidance?
A: Yes, our experienced engineers provide remote guidance via video or call, assisting with installation, commissioning, and troubleshooting to ensure your valves operate correctly.
Q: Do you offer customization or OEM services?
A: Yes, we can provide custom sizes, materials, actuator types, and special features, including printing your logo on the valves.
Q: What is your typical delivery time?
A: Delivery time depends on the valve type and order quantity. Standard orders are usually shipped within 7–15 days. Please contact our sales manager for a confirmed schedule.
A: We are a professional valve manufacturer with over 20 years of experience, providing direct factory production and sales.
Q: What types of valves do you offer?
A: We specialize in ball valves, butterfly valves, globe valves, gate valves, check valves, solenoid valves, and related actuators and accessories.
Q: Which industries and applications are your valves suitable for?
A: Our valves are widely used in Oil & Gas, Chemical & Petrochemical, Power Generation, Water Treatment, HVAC, Food & Beverage, Pharmaceutical, Marine & Offshore, Mining & Metallurgy, and other industrial process systems, delivering reliable performance in demanding operating conditions.
Q: What certifications do your products have?
A: Our valves are ISO9001 and CE certified, and comply with international standards such as DIN, ANSI, and JIS. Mill Test Certificates (MTC) and original certificates can be provided on request.
Q: How do you ensure quality before shipping?
A: Every valve undergoes 100% testing, including pressure, leakage, and functional tests. Rigorous in-house inspection ensures reliable performance under real operating conditions.
Q: Do you provide technical support and installation guidance?
A: Yes, our experienced engineers provide remote guidance via video or call, assisting with installation, commissioning, and troubleshooting to ensure your valves operate correctly.
Q: Do you offer customization or OEM services?
A: Yes, we can provide custom sizes, materials, actuator types, and special features, including printing your logo on the valves.
Q: What is your typical delivery time?
A: Delivery time depends on the valve type and order quantity. Standard orders are usually shipped within 7–15 days. Please contact our sales manager for a confirmed schedule.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR244337". Items marked "
" are certified.
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Company Profile
SLV - Jiangsu Shoulong Valve Co., Ltd, is a leading professional valve manufacturer based in Nanjing, China.
Our company boasts a comprehensive range of production and testing equipment, ensuring the highest quality standards for our products. With a team of highly educated technical engineers and experienced workers, we are committed to providing prompt and efficient services to our clients.
We specialize in manufacturing a wide variety of valves, including ball valves, butterfly valves, globe valves, gate valves, check valves, and solenoid valves. Additionally, we offer pneumatic actuators, electric actuators, air filters, positioners, limit switches, and other valve fittings. Our products have obtained ISO9001 and CE certifications, and they comply with international standards such as DIN, ANSI, and JIS.
Over the years, we have established cooperative relationships with more than 500 customers from over 42 countries. We cordially invite you to visit SLV, where we guarantee to provide you with professional solutions and excellent service.
Our aim: Based of service, living on quality, developed by science& technology.
About Our Factory & Business Background
- Address
- No. 22 Liuzhou North Road, Pukou District, Nanjing, Jiangsu, China
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Western Europe
FAQ
- What sizes do you offer for pneumatic wafer butterfly valves?
- We offer standard sizes from DN40 to DN600 (1-1/2" to 24"), including commonly used sizes such as: DN40 (1 1/2 in), DN50 (2 in), DN65 (2 1/2 in), DN80 (3 in), DN100 (4 in), DN125 (5in), DN150 (6 in), DN200 (8 in), DN250 (10 in), DN300 (12 in), DN350 (14 in), DN450 (18 in), DN500 (20 in), DN600 (24 in). Smaller or larger sizes are also available upon request.
- What materials are available for the valve body and disc?
- Body materials include ductile iron (GGG40/GGG50), cast iron, carbon steel, and stainless steel; Disc materials include SS304, SS316, aluminum bronze, and nickel-plated ductile iron.
- What seat materials are available?
- Seat options include EPDM, NBR, and PTFE for different media such as water, air, oil, and mild chemicals.
- What type of pneumatic actuator do you use?
- We use rack and pinion pneumatic actuators, available in double-acting and spring return (fail-safe) types with NAMUR interface.
- What pressure ratings are available?
- Standard pressure ratings include PN10, PN16, and Class 150 depending on size and material.
- What applications is this valve suitable for?
- Widely used in water treatment, wastewater, HVAC systems, fire fighting, chemical processing, and industrial automation systems.
- What accessories can be installed?
- SLVCN's pneumatic actuators are NAMUR standard and can be equipped with solenoid valves, limit switches, and positioners for automation control.
- Are you a manufacturer or trading company?
- We are a professional valve manufacturer with over 30 years of experience, providing direct factory production and global export services.
- How do you ensure quality before shipping?
- Every valve undergoes 100% pressure testing, leakage testing, and functional inspection before shipment. Inspection reports, photos, and videos can be provided upon request.
- Do you offer customization or OEM services?
- Yes. We offer customized sizes, materials, actuator types, and control configurations. OEM services including logo printing and packaging are also available.
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