CB/T3475-1992 Storm Valve

Storm valve is a type of valve used on ships to prevent water from entering the ship during stormy weather or rough seas. It is typically installed on the ship's hull and is designed to be closed in case of heavy weather conditions to prevent water ingress through the ship's openings.

Overview

Standard

CB/T3475-1992 Storm Valve is a Chinese national standard that specifies the requirements for storm valves used on ships. These valves are designed to prevent water from entering the ship during stormy weather or rough seas. The standard covers aspects such as materials, construction, dimensions, testing, and marking of storm valves to ensure their proper performance and reliability in maritime applications.

Outline Drawing

Drawing of CB T3475-1992 Storm Valve.jpg

Drawing of CB T3475-1992 Storm Valve1.jpg

Main Specification

A/B Type

Nominal Diameter DN	Outlet Diameter DN1	Dimensions				Inlet Flange Dimensions					Outlet Flange Dimensions
		L		H		Inlet Flange Dimensions					Outlet Flange Dimensions
		A Type	B Type	A Type	B Type	D	D1	D2	b	d	D3	D4	D5	b1	d1
50	65	185	205	120	90	135	103	84	14	15	155	123	104	14	15
65	80	200	226	130	100	155	123	104			170	138	118
80	100	226	260	150	120	170	138	118			190	158	138
100	125	250	300	175	140	190	158	138			215	183	164
125	150	-	350	-	165	215	183	164			240	208	190
150	175	-	370	-	170	240	208	190			270	238	221	15	-

AS/BS Type

Nominal Diameter DN	Outlet Diameter DN1	Dimensions				Inlet Flange Dimensions					Outlet Flange Dimensions
		L		H		Inlet Flange Dimensions					Outlet Flange Dimensions
		AS Type	BS Type	AS Type	BS Type	D	D1	D2	b	d	D3	D4	D5	b1	d1
50	65	185	205	120	90	140	110	90	14	4	160	130	110	14	4
65	80	200	226	130	100	160	130	110	14		190	150	128	18
80	100	226	260	150	120	190	150	128	4		210	170	148
100	125	250	300	175	140	210	170	148			240	200	178		8
125	150	-	350	-	165	240	200	178		8	265	225	202
150	175	-	370	-	170	265	225	202		8	295	255	232