[Broadside boiler relief valve] CB / T3841-1999 Model: CB / T3841-1999 products Diameter: DN25-DN40 product pressure: 1.0 ~ 2.5Mpa Material: cast iron, steel and other boiler relief valve [the side] CB / T3841-1999 drawings and technical parameters, specification: Ordering :( national standards) a, A: product name, model number, nominal diameter B: medium and temperature, pressure range C: Are there attachments, delivery, special requirements so that we can correct for your selection. Second, if the company has been selected by the design of the valve type, please directly contact our sales center to order according to the valve parameters. Third, when you use the occasion is very important or the environment is more complicated, please provide design drawings and detailed parameters, our engineers specialists will concentrate on your review and analysis. Fourth, the above prices are nominal price, please contact us.