Do you provide technical support and installation guidance?

Yes, our experienced engineers provide remote guidance via video or call, assisting with installation, commissioning, and troubleshooting to ensure your valves operate correctly.

Do you offer customization or OEM services?

Yes, we can provide custom sizes, materials, actuator types, and special features, including printing your logo on the valves.

Ductile Iron Butterfly Valve

Name: Double-Acting/Spring-Return Pneumatic DN300/DN350/DN500/DN600 Cast Iron/Ductile Iron Butterfly Valve
Brand: Jiangsu Shoulong Valve Co., Ltd.
SKU: 2277420875

Jiangsu, ChinaJiangsu Shoulong Valve Co., Ltd.

US$26.00

1-49 sets

US$22.00

50-99 sets

US$18.00

100+ sets

Sample price:US$26.00/piece.Request sample

Product profile

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

Transport Package

Wooden Case

Specification

DN40-DN600 (1½"-24")

Trademark

SLVCN / VEAPON

Origin

Jiangsu, China

Production Capacity

50000 Set/Sets Per Year

Key features

Robust Ductile Iron Body: GGG40/GGG50 material with epoxy coating for enhanced corrosion resistance.

Versatile Actuator Options: Double acting or spring return rack & pinion actuators with NAMUR interface.

Wide Size Range: Available in DN40 to DN600, with custom sizes available upon request.

Comprehensive Material Selection: Disc options include SS304, SS316, or nickel-plated ductile iron.

100% Quality Testing: Every valve undergoes pressure, leakage, and functional testing before shipment.

OEM and Customization Support: Custom sizes, materials, and logo printing services available.

International Certifications: ISO9001 and CE certified, complying with DIN, ANSI, and JIS standards.

Easy Installation Design: Wafer structure fits ANSI, DIN, and JIS flanges, saving space and cost.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceFast DeliveryStandardized quality control

Jiangsu Shoulong Valve Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤3.33h

AI-Powered supplier vetting

SummaryThe supplier is a combined assembling facility offering ball valves and butterfly valves, with a broader stated business scope covering valves, hardware, electromechanical products, instruments, and related accessories. It reports ISO9001:2015 and CE certifications, documented quality and service procedures, OEM and ODM capabilities, and broad customization services. Export-related capabilities are limited: it reports no overseas warehouse, showroom, agent, branch, or offline trade-show experience, and lists zero countries served overseas. Lead-time information is mixed, with off-peak fulfillment within 15 workdays in one record and peak-season lead time ranging from one month to 2–3 months across records. Financial records are indicated for multiple years, but no substantive financial performance details are provided. No customer cases are identified.

Supplier typeThe supplier is classified as a combined company and describes itself as engaged in production and sales of valves, accessories, hardware, electromechanical products, and instruments. Its specifically offered products are ball valves and butterfly valves, indicating a manufacturer/supplier profile rather than a service-only business.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification in both certification-related records. These are explicit certifications relevant to quality management and product compliance.

After-Sales capabilityThe supplier reports written procedures and followed records for handling customer complaints, corrective and preventive actions, and service-capability assessment. However, it has no overseas warehouse, showroom, agent, or branch, and reports zero countries offering overseas services, limiting evidence of localized international after-sales support.

R&D capabilityThe supplier reports ODM capability and broad R&D design services, including customization from samples and designs and full customization. At the same time, it reports no new products in the past year and no available SDK, so current product innovation evidence is mixed.

Production capacityThe supplier operates an assembling facility, provides manufacturing-capacity information, reports six qualified suppliers for service capability, and states an off-peak order fulfillment time within 15 workdays. Peak-season timing is less consistent across records, listed as one month in one slice and 2–3 months in another, indicating production capacity with potentially extended peak-season schedules.

Customization capabilityBoth records explicitly list customization from samples, customization from designs, full customization, minor customization, and flexible customization. The supplier also reports both OEM and ODM services, providing direct evidence of broad customization support.

Product Q&A

Q:Are you a manufacturer or a trading company?

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?

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?

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?

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?

Every valve undergoes 100% testing, including pressure, leakage, and functional tests. Rigorous in-house inspection ensures reliable performance under real operating conditions.