On Haici Pu marine accessories factory Tel 18217035071 chess marine flow observer CB / T422-93, type; J type, JS type, T-type TS-type, PN; J-type 1.04 0.25MPA, nominal diameter; DN40- DN100, JS type; nominal 0.4 0.25MPA, nominal diameter DN65-DN200, T-type TS-type; nominal;. PN0.1MPA, nominal diameter DN25-DN200 the highest temperature; 120 ℃, valve body; gray iron, transparent plate; ordinary glass, transparent tube; glass, screw cap; bronze, cover; carbon steel. Flow viewer CB / T 422-93 The standard product is suitable for medium is water and oil ship lines. 1 type, parameters 1.1 Flow viewer type is J type - flange dimensions according to GB 569 mirror type flow viewer; JS type - flange dimensions according to GB 2501 Mirror stream viewer; T type - flange dimensions according to GB 569 barrel stream viewer; TS type - flange dimensions according to GB 2501 Drum stream viewer; 1.2 flow parameters in Table viewer type Nominal Nominal PN MPa For medium diameter DN mm maximum use temperature ℃ J-type 0.4 40 to 50 sea water, fresh water, oil (excluding heavy oil) 120 0.25 65 ~ 100 JS type 0.4 20 ~ 50 0.25 65 ~ 200 T-type, TS-type 0.1 25-200 overflow pipe water, oil 702 tag example PN0.4, DN40, flange dimensions according to GB569 mirror type flow viewer mark: stream viewer J4040 CB / T 422-93 PN0.25, DN 200 flange size according to GB 2501 a mirror stream viewer mark: stream viewer JS2200 CB / T 422-93 3 Technical Requirements 3.1 Watcher of the bulk material flow is HT 200, transparent plate material is ordinary glass or jump silica glass, transparent tube made of glass, screw-cap material is ZQSn10-2, the cover material is Q235-A. 3.2 Other technical requirements and test methods and inspection rules according to GB 600.