
Gate 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.
Gate valves supplied to Mailiao are predominantly used in full-bore isolation service in Integrated Petrochemical pipelines. Rising-stem and non-rising stem designs in ASTM A216 WCB, SS316, and Alloy Steel WC9 are commonly specified by Yunlin engineers for high-temperature and high-pressure service.
API 6D Certified
Ball, Gate, Globe, Check
ASME B16.34
Pressure-Temperature Rated
ISO 9001:2015
Quality Management
Fast Delivery
to Mailiao
Gate Valves - Available in Mailiao
All gate 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.

Wedge Gate Valve
Traditional wedge design gate valve for reliable isolation in water, oil, and gas services.
Pressure Rating: PN10 / PN16, Class 150 / 300
Standards: API 600, API 603, BS 1414, ASME B16.34

Parallel Slide Gate Valve
High-temperature gate valve with parallel disc design for steam and power plant applications.
Pressure Rating: Class 150 / 300 / 600 / 900
Standards: API 600, BS 1873, ASME B16.34

Knife Gate Valve
Sharp-edged gate design for slurry, pulp, and abrasive media applications.
Pressure Rating: PN6 / PN10
Standards: MSS SP-81, API 609

Bellows Sealed Gate Valve
Zero fugitive emission gate valve with metallic bellows stem seal for toxic, carcinogenic, and environmental protection services.
Pressure Rating: Class 150 / 300 / 600
Standards: API 600, ISO 15848-1, TA-Luft VDI 2440

Slab Gate / Through-Conduit Gate Valve
Full-bore through-conduit design with solid slab gate for pigging operations and pipeline isolation.
Pressure Rating: Class 150 / 300 / 600 / 900 / 1500
Standards: API 6D, API 6FA (fire-safe), ASME B16.34
Delivery of Gate 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
Gate Valves supply in Mailiao - ordering, delivery & compliance
Do you supply gate valves in Mailiao?+
Yes. Vajra Industrial Solutions is a leading supplier of gate 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 gate valves are available in Mailiao?+
We supply Wedge Gate Valve, Parallel Slide Gate Valve, Knife Gate Valve, Bellows Sealed Gate Valve, Slab Gate / Through-Conduit Gate 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 gate valves carry?+
All our gate 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: API 600, API 603, BS 1414, ASME B16.34.
How fast can you deliver gate 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 gate 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 gate 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 Gate 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.