Standard No.:	GJB 4068-2000
English Name:	Specification for steering and diving gear of nuclear submarine
Chinese Name:	核潜艇舵机规范
Professional Classification:	GJB    Professional Standard - Military
Issued on:	2000-06-15
Implemented on:	2000-10-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	5500 words
Translation Price(USD):	350.0
Delivery:	via email in 1 business day

Specification for steering and diving gear of nuclear submarine 1 Scope 1.1 Subject content This specification specifies the requirements, quality assurance provisions and delivery preparation of steering and diving gear of nuclear submarines. 1.2 Application scope This specification is applicable to the design, construction and acceptance of steering and diving gear of nuclear submarine (hereinafter referred to as steering gear). 1.3 Classification Steering gear may be divided into the following types according to the steering mode: 1.3.1 Normal steering gear: a. Valve-controlled steering gear (steering hydraulic servo system is in the form of valve-controlled hydraulic cylinder); b. Pump-controlled steering gear (steering hydraulic servo system is in the form of pump-controlled hydraulic cylinder). 1.3.2 Emergency steering gear: a. Hydraulic emergency steering gear; b. Electric emergency steering gear. 2 Normative references GB/T 3893-1998 Shipbuilding and marine structures - Deck machinery - Vocabulary GB/T 13306-1991 Plates GB/T 13384-1992 General specifications for packing of mechanical and electrical product GB/T 13853-1992 General specification for hydraulic pumps and motors of ship GB/T 14039-1993 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles GB/T 16301-1996 Evaluation of vibration severity for marine engine-room auxiliaries GJB 13A-97 General specifications for electrical installations of naval ships GJB 14.2-84 The General Specifications for Machinery of Naval Ships Submarines GJB 15.2-84 The general specifications for material machinery of naval ships The material for machinery GJB 64.2A-97 General specifications for hull of naval ships Submarine GJB 69A-97 General specification for electrical machines of naval ships GJB 150.18-86 Environmental test methods for military equipments Shock test GJB 175.2-87 Terminology of naval vessel and its equipment Submarine CB/T 972-94 Hydraulic steering gear of marine ships 3 Requirements 3.1 Qualification

Foreword i 1 Scope 2 Normative references 3 Requirements 4 Quality assurance provisions 5 Delivery preparation 6 Notes