Stainless Steel/Cast Iron/Aluminum Alloy Pneumatic Wafer Double Flange DN200 Pn10 Butterfly Valve for Acid

Product Description

Product Overview

SLVCN Pneumatic Stainless Steel Wafer (Lugless) Butterfly Valve is designed for reliable on-off or modulating control of water, air, oil, and mild chemical piping systems, widely used in water treatment, HVAC, food & beverage, and general industrial applications. Its wafer (lugless) design allows compact installation between flanges, saving space in pipeline systems.

The valve features a 304 / 316 / 316L stainless steel body and disc, combined with EPDM,NBR or PTFE seats, providing excellent corrosion resistance, tight sealing, and stable operation. Sizes, materials, and configurations can be customized to meet specific operating conditions and project requirements.

Equipped with a compact rack & pinion pneumatic actuator (single-acting or double-acting) with NAMUR interface, the valve allows easy integration with solenoid valves, positioners, limit switches, and air filter regulators.

Manufactured under ISO9001 quality management systems, all SLVCN valves are CE certified, 100% tested before shipment, and trusted by customers in over 100 countries worldwide. OEM and customization services are available to support bulk orders and project requirements.

Product Parameters:

Product Name	Pneumatic Stainless Steel Wafer Butterfly Valve
Connection Size	DN40–DN600 (1½"–24"), smaller or larger sizes are available upon request
Pressure Rating	PN10 / PN16
Valve Type	Pneumatic Wafer Type Butterfly Valve
Material of Body	Stainless Steel 304(CF8) / 316(CF8M) / 316L(CF3M)
Valve Disc Material	Stainless Steel 304 / 316 / 316L
Seat Material	EPDM / NBR / PTFE
Actuator Type	Rack & Pinion Pneumatic Actuator (Single-acting / Double-acting)
Rotation Angle	Standard 0–90° ±5°
Interface Standard	NAMUR
Mounting Standard	ISO 5211
Accessories (Optional)	Solenoid Valve, Limit Switch Box, Positioner, Air Filter Regulator
Applications	Water, Air, Oil, and Mild Chemical Pipeline Systems in General Industrial Applications
Certification	CE, ISO9001, TUV
OEM	OEM Service Available
Brand	SLVCN

Quality & Testing

Packing & Delivery

Company & Trust

With over 30 years of experience in valve design, manufacturing, and sales, SLVCN is a professional manufacturer of high-quality industrial valves. We specialize in ball valves, butterfly valves, globe valves, gate valves, check valves, and solenoid valves, as well as pneumatic and electric actuators, air filters, positioners, limit switches, and other valve accessories.

Our products are ISO9001 and CE certified and comply with international standards such as DIN, ANSI, and JIS, ensuring reliable performance across diverse applications. They are widely used in Oil & Gas, Power Generation, Water Treatment, Chemical, Petrochemical, and other industries, and have been delivered for over 1,000 overseas projects in more than 100 countries.

At SLVCN, we are committed to providing professional solutions, consistent quality, and excellent service, ensuring our customers receive reliable, high-performance valve solutions for every project.

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 30 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.