Verified 4 August 2026

Wafer dual-plate check valve (ductile iron, epoxy lined) manufacturers in Turkey

Buyers searching for wafer dual‑plate (double‑door) check valves — ductile iron with epoxy/resilient lining — will find manufacturers that produce wafer-style dual plate bodies in ductile/cast iron and offer epoxy or rubber linings. When sourcing, prioritize verified manufacturers that list material (ductile iron), lining/coating (epoxy, rubber/EPDM), pressure class and flange standards on their product pages.

Get contact emails + AI outreach — free trial

6 verified manufacturers

  • ASTECH VALVE CO., LTD.

    “Product listing: "ASTECH VALVE CO., LTD. is a leading manufacturer specializing in high-quality dual plate wafer check valves. Cast Iron & Ductile Iron"”

  • BH Valve

    “News item: "DN100 dual plate wafer check valve shipped to Türkiye" — indicates the company exported a batch of Dual Plate Wafer Check Valve to Turkey”

  • EJ Industry

    “Site page: "We are manufacturer of Dual Plate Check Valve in China" offering Dual Wafer Check Valve / Double Door Check Valve”

  • GTEEK

    “Product pages: "Wafer Check Valve" and "Dual Plates Check Valve - Ductile Iron" describing self-acting dual plates in ductile iron”

  • LandeeChina

    “Site tags listing: "Dual Plate Wafer Check Valve, ... Epoxy Coated Wafer Check Valve, Ductile Cast Iron" and calling itself a leading industrial piping manufacturer”

  • Castflow Valves

    “Site page: "Discover our high quality dual plate check valves" describing their dual plate check valve products”

Compiled from public sources and refreshed periodically. Always verify certifications and capabilities directly with the manufacturer before ordering.

Need their contact details?

Source365 finds verified contact emails for manufacturers like these and drafts the RFQ outreach for you — directly from the inquiry email in your Outlook inbox.

Start free 14-day trial

What to specify in your RFQ

Manufacturers quote faster and more accurately when your request covers these points.

  • Size / DN (nominal diameter)

    Specify the pipe size or DN range the wafer valve must fit (e.g., DN50–DN1200) because wafer valves are flange‑spaced and sized to match flanges.

  • Pressure class / PN or ANSI rating

    Give required pressure rating (PN16, PN25, ANSI 150/300, etc.) so body thickness, flange spacing and testing can be confirmed.

  • Body material

    State ductile iron (EN GJS) or cast iron requirement and any grade/standard required for the project.

  • Lining/coating and seat material

    Specify epoxy lining, rubber/resilient seat (EPDM, NBR, Viton) or metal seat to match fluid chemistry and temperature.

  • Design/standards

    Request compliance with standards needed (API 594, EN 12334, MSS SP‑67, etc.) and any testing requirements (hydrostatic, seat leakage class).

  • Operating temperature and fluid

    Provide the media, temperature range and any abrasives or solids so appropriate sealing and coatings can be selected.

  • End connections / flange standards

    Specify flange standard (EN PN, ANSI, JIS) and face type (RF, RTJ) since wafer valves fit between flanges and need correct bolt circle compatibility.

  • Quantity and delivery

    State required quantity and desired delivery/lead time to get accurate MOQ, production scheduling and pricing.

Sourcing FAQ

How do I verify a supplier actually manufactures ductile iron wafer dual‑plate check valves?
Ask for product pages, photos of the factory/production line, casting and testing certificates, and specific model datasheets showing ductile iron body and lining details; manufacturers typically host product pages and catalogs on their own websites.
What typical minimum order or lead time should I expect?
MOQs and lead times vary by manufacturer, size and coating/lining; expect small quantities to be possible but longer lead times for epoxy‑lined or special seat materials — confirm with the manufacturer for firm timelines.
Which certifications or standards should I request?
Request compliance documentation for relevant standards (API 594, EN standards, pressure class tests) plus material certificates for ductile iron and test records for epoxy lining adhesion or seat leakage class.
What drives cost differences between manufacturers?
Key drivers are material grade (ductile vs cast iron), lining/seat material (resilient vs metal), pressure rating, size range, testing/inspection scope, and whether the valve is certified to specific standards.

Related categories