1.Factory directly supply 2.Steady quality 3.Competitive price 4.Good quality seals Pressure Relief valve Details: 1. Material: WCC,WCB, 8620 2. Processes: Sand casting 3. Testing pressure of products: 16 bars 4. Surface finish: Polishing, oiled (rust-resistant), zinc, nickel, chrome plating, hot galvanized, powder coating and painting 5. Manufacturing equipment: Electric furnace, sand mixing ...