Diaphragm Valves Supplier in Ulsan
Ulsan is South Korea's industrial powerhouse — home to SK Innovation's Ulsan refinery (840,000 bpd, South Korea's largest), S-OIL's Onsan refinery (669,000 bpd), and Hyundai Heavy Industries' shipyard (world's largest single shipbuilding complex); the city's LNG receiving terminals require cryogenic-rated ball valves and butterfly valves per KGS (Korean Gas Safety) and API 6D standards; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and fire-tested butterfly valves to Ulsan refineries and shipbuilding contractors — Korean customs HS code declarations, EN 10204 3.1 MTCs, and Korean Industrial Standards (KS) compliant documentation provided.
Diaphragm valves are the standard for Ulsan's Oil Refining (SK Innovation, S-OIL) applications. We supply sanitary SS316L diaphragm valves with EPDM, PTFE, and natural rubber diaphragms for Ulsan clients.
API 6D Certified
Ball, Gate, Globe, Check
ASME B16.34
Pressure-Temperature Rated
ISO 9001:2015
Quality Management
Fast Delivery
to Ulsan
Diaphragm Valves — Available in Ulsan
All diaphragm valves below are available for delivery to Ulsan, Ulsan. Each type is available in multiple materials, pressure classes, and end connection standards. We export to Ulsan 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 Ulsan
We export to Ulsan 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: SK Innovation Ulsan Refinery (840,000 bpd — South Korea's largest), S-OIL Onsan Refinery (669,000 bpd), Hyundai Heavy Industries Ulsan Shipyard (world's largest), Korea Gas Corporation (KOGAS) Tongyeong LNG terminal, Hyundai Motor Ulsan plant (1.5M cars/yr), Lotte Chemical Daesan complex.
Frequently Asked Questions
Diaphragm Valves supply in Ulsan — ordering, delivery & compliance
Do you supply diaphragm valves in Ulsan?+
Yes. Vajra Industrial Solutions is a leading supplier of diaphragm valves in Ulsan, Ulsan. We supply to Oil Refining (SK Innovation, S-OIL), Petrochemical Manufacturing, Shipbuilding & Offshore (Hyundai Heavy Industries) plants and projects across Ulsan. Ulsan is South Korea's industrial powerhouse — home to SK Innovation's Ulsan refinery (840,000 bpd, South Korea's largest), S-OIL's Onsan refinery (669,000 bpd), and Hyundai Heavy Industries' shipyard (world's largest single shipbuilding complex); the city's LNG receiving terminals require cryogenic-rated ball valves and butterfly valves per KGS (Korean Gas Safety) and API 6D standards; Vajra Industrial Solutions supplies API 6D ball valves, ASME B16.34 gate and globe valves, and fire-tested butterfly valves to Ulsan refineries and shipbuilding contractors — Korean customs HS code declarations, EN 10204 3.1 MTCs, and Korean Industrial Standards (KS) compliant documentation provided.
What types of diaphragm valves are available in Ulsan?+
We supply Weir Type Diaphragm Valve, Straight-Through Diaphragm Valve — all available for delivery to Ulsan. 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 Ulsan?+
We export to Ulsan 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 Ulsan?+
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 Ulsan. Emergency orders for plant shutdowns are handled on priority.
How do I get a quote for diaphragm valves in Ulsan?+
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 Ulsan?
Share your specifications and get a competitive quote within 24 hours. We supply to Oil Refining (SK Innovation, S-OIL) and all industrial sectors in Ulsan.