China State Shipbuilding Corporation Department Standard CB1010-90 External Thread Stainless Steel Stop Valve Published on 1990-02-25 Published by China State Shipbuilding Corporation Implemented on 1990-12-01 China State Shipbuilding Corporation Department Standard External Thread Stainless Steel Stop Valve Subject Content and Scope of Application CB 1010-90bzxz.net Classification Number: U52 Replaces CB1010-82 This standard specifies the product classification and technical requirements of external thread stainless steel stop valves (hereinafter referred to as stop valves). This standard applies to underwater product pipeline systems. Reference standards GB600 General technical conditions for ship pipeline valves Marking of ship pipeline accessories GB3032 3 Product classification The types of stop valves are as follows: Type A - straight-through stop valve Type B - right-angle stop valve The basic parameters of stop valves are as shown in Table 1. Nominal pressure PN Nominal diameter DN 6, 10 The structural dimensions of the stop valve are as shown in Figures 1 to 4 and Table 2. Approved by China State Shipbuilding Corporation on February 25, 1990 Applicable media Distilled water, drinking water, fresh water Distilled water Drinking water, fresh water Implemented on December 1, 1990 Version hand size S Figure 1A type (DN6, DN10) Pai hand size S, Figure 3A type (DN15~32) CB1010-0 New hand size S Figure 2B type (DN6, DN10) Wrench size S: Figure 4B type (DN15~32) Overall dimensions Marking example of stop valve CB1010-90||t t||Threaded joint M36×2 M39×2 M48×2 M56×2 M36×2 M39×2 M48×2 M56×2 Wrench size Nominal pressure X6.4MPa, nominal diameter 6mm A-type external thread stainless steel stop valve: stop valve A64006CB1010-90 Nominal pressure 2.5MPa, nominal diameter 32mm B-type external thread stainless steel stop valve: stop valve B25032CB1010-90 Technical requirements and test methods The technical requirements of the stop valve shall comply with the provisions of GB600. The main parts and materials of the stop valve shall comply with Table 3. Part name Valve body, valve cover, valve disc Steamed feeding water· Drinking water, fresh water Stainless steel Stainless steel Copper plate Drinking water gasket Oil-impregnated hemp or oil-impregnated cotton ICri8NigTi YiCr18NigSe Mass, kg Standard number GB1220—84 GB1220-84 GB2040—80 GB4807—84 CB1010-90 The test rules and methods for inspection and acceptance shall be in accordance with the provisions of Chapters 4 to 5 of GB 3600. 5 Inspection rules The inspection rules for stop valves shall comply with the provisions of Chapter 2 of GB600. 6 Marking and packaging The marking of stop valves shall comply with GB3032. The packaging of stop valves shall comply with the provisions of Articles 8.2 to 8.7 of GB600. Additional remarks: This standard was proposed by the 603 Institute of China State Shipbuilding Corporation. This standard is under the jurisdiction of Wuchang Shipyard. This standard was drafted by Jiangxi Marine Valve Factory. The main drafter of this standard is Wang Lilong. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.