Maximum working pressure – 750psi / 50 BAR. Manufactured to ISO 4144 standards. Hot and cold water, oil, gas and other medium. 1/8 inch – 30mm. 1/4 inch – 30mm. 3/8 inch – 40mm. 3/4 inch – 60mm. 1 inch – 60mm. 1-1/4 inch – 80mm. 1-1/2 inch – 80mm. 2 inch – 100mm. 2-1/2 inch – 100mm. 3 inch – 120mm. 4 inch – 120mm. 5 inch – 150mm. 6 inch – 150mm. VAT Invoice provided with all orders. Since 1989, Air System Controls has been providing pneumatic and hydraulic. Components and engineering services to industries across the UK. Behind every product we sell is the combined expertise and experience of our engineering team who are on hand to help with any technical enquiries. 8:30am – 5:00pm. Although we make every effort to package the item so it is delivered in the best possible condition. Your order after the estimated timescale or for any damages, so. We can resolve the issue with you quickly and easily.