General Industry
Chemistry drives progress; valves keep it safe. WANVALVE was born for this.
Project Success Stories
Saudi Sulfuric Acid Train
Location: Jubail, Saudi Arabia
Challenge: 98 % H₂SO₄ at 200 °C, 18 bar cyclic isolation every 6 h, zero-leak for 30 years.
Solution: Stainless-steel Ball Valves + Pneumatic Spring-return Actuators
Rayong Aromatics Complex
Location: Rayong, Thailand
Challenge: 250 bar hydrogen-rich reformate, 220 °C, tight shut-off every 4 h for 25 years.
Solution: Forged-steel High-pressure Gate Valves, 900 Class, Electric Motor-operated
Vietnam Caustic Soda Plant
Location: Ba Ria-Vung Tau, Vietnam
Challenge: 32 % NaOH at 90 °C, 12 bar, diaphragm isolation 24/7 for 25 years.
Solution: PVDF Pneumatic Diaphragm Valves + Titanium Spring-return Actuators
Indonesia PTA Oxidation Reactor
Challenge: 190 °C acetic acid slurry, 10 bar, zero-crystal blockage every 8 h.
Solution: Ceramic-lined Pneumatic Butterfly Valves + Double-acting Actuators
Rayong Caustic Evaporation Train
Location: Rayong, Thailand
Challenge: 50 % NaOH at 120 °C, 6 bar vacuum flash, continuous diaphragm isolation for 25 years without crystal build-up.
Solution: Stainless-steel Diaphragm Valves High-Temperature Pneumatic Actuators
Surabaya Phosphoric Acid Plant
Location: Surabaya, Indonesia
Challenge: 85 % H₃PO₄ at 80 °C, 12 bar, diaphragm isolation with zero-corrosion for 25 years.
Solution: PTFE-lined Pneumatic Diaphragm Valves + Hastelloy C276 Actuators