Diaphragm Valves Supplier in Mailiao
Mailiao in Yunlin County hosts the Formosa Petrochemical (FPCC) Mailiao complex, one of the world's largest integrated petrochemical sites built around the Sixth Naphtha Cracker with a refinery, multiple olefins and aromatics trains, polymer plants, and captive cogeneration, served by a dedicated industrial port; naphtha-cracking, olefins, and polymer service drives demand for API 6D ball and gate valves in carbon and alloy steel for cracker, quench, and fractionation loops, cryogenic valves for ethylene and light-ends, low-fugitive-emission and bellows-seal valves for VOC service, high-temperature globe and check valves for furnace and steam systems, and API 526 relief valves; ASME B16.34, API standards, and international EPC specifications apply with full material certification and PMI; Vajra Industrial Solutions supplies Mailiao petrochemical operators and Taiwanese EPC contractors with cracker-grade, cryogenic, and low-emission valve packages with East Asia logistics.
Diaphragm valves are the standard for Mailiao's Integrated Petrochemical applications. We supply sanitary SS316L diaphragm valves with EPDM, PTFE, and natural rubber diaphragms for Yunlin clients.
API 6D Certified
Ball, Gate, Globe, Check
ASME B16.34
Pressure-Temperature Rated
ISO 9001:2015
Quality Management
Fast Delivery
to Mailiao
Diaphragm Valves - Available in Mailiao
All diaphragm valves below are available for delivery to Mailiao, Yunlin. Each type is available in multiple materials, pressure classes, and end connection standards. We export to Mailiao via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.
Weir Type Diaphragm Valve
Raised weir design for precise flow control and tight shut-off in chemical applications.
Pressure Rating: PN10 / PN16
Standards: BS 5156, ISO 5208
Straight-Through Diaphragm Valve
Full-bore design for slurry and viscous media with minimal flow restriction.
Pressure Rating: PN6 / PN10
Standards: BS 5156
Delivery of Diaphragm Valves to Mailiao
We export to Mailiao via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.
Stock Items
Same/next day dispatch from Vadodara
Custom Orders
2–6 weeks depending on specification
Emergency Supply
Priority handling for plant shutdowns
We also supply to nearby areas: Formosa Plastics FPCC Mailiao complex, Mailiao industrial port, Sixth Naphtha Cracker (No.6 Naphtha), Yunlin offshore corridor.
Frequently Asked Questions
Diaphragm Valves supply in Mailiao - ordering, delivery & compliance
Do you supply diaphragm valves in Mailiao?+
Yes. Vajra Industrial Solutions is a leading supplier of diaphragm valves in Mailiao, Yunlin. We supply to Integrated Petrochemical, Naphtha Cracking, Oil Refining plants and projects across Yunlin. Mailiao in Yunlin County hosts the Formosa Petrochemical (FPCC) Mailiao complex, one of the world's largest integrated petrochemical sites built around the Sixth Naphtha Cracker with a refinery, multiple olefins and aromatics trains, polymer plants, and captive cogeneration, served by a dedicated industrial port; naphtha-cracking, olefins, and polymer service drives demand for API 6D ball and gate valves in carbon and alloy steel for cracker, quench, and fractionation loops, cryogenic valves for ethylene and light-ends, low-fugitive-emission and bellows-seal valves for VOC service, high-temperature globe and check valves for furnace and steam systems, and API 526 relief valves; ASME B16.34, API standards, and international EPC specifications apply with full material certification and PMI; Vajra Industrial Solutions supplies Mailiao petrochemical operators and Taiwanese EPC contractors with cracker-grade, cryogenic, and low-emission valve packages with East Asia logistics.
What types of diaphragm valves are available in Mailiao?+
We supply Weir Type Diaphragm Valve, Straight-Through Diaphragm Valve - all available for delivery to Mailiao. Each type is available in multiple materials (CS, SS304, SS316, Duplex, Alloy Steel) and pressure classes from PN10 to Class 2500.
What certifications do your diaphragm valves carry?+
All our diaphragm valves comply with API 6D, ASME B16.34, ISO 9001:2015, and relevant standards. We provide full documentation including material test reports, hydrostatic test certificates, and dimensional inspection reports. Key standards: BS 5156, ISO 5208.
How fast can you deliver diaphragm valves to Mailiao?+
We export to Mailiao via sea freight and air freight with full export documentation including MSDS, packing list, CoO, and compliance certificates. Typical lead time is 7–14 business days from dispatch.
What is the minimum order quantity for diaphragm valves to Mailiao?+
There is no minimum order quantity. We supply single valves for maintenance requirements as well as bulk orders for large EPC and plant projects in Mailiao. Emergency orders for plant shutdowns are handled on priority.
How do I get a quote for diaphragm valves in Mailiao?+
Submit your specifications via our RFQ form, email sales@vajravyuh.com, or WhatsApp +91-9979774557. Please include: valve type, size (NPS/DN), pressure class (ANSI/PN), material, end connections, and quantity. We respond within 24 hours with competitive pricing.
Need Diaphragm Valves in Mailiao?
Share your specifications and get a competitive quote within 24 hours. We supply to Integrated Petrochemical and all industrial sectors in Yunlin.