GB/T2032-1993 Marine Fire Hydrant Valve
Marine fire hydrants are installed on the deck of a ship and are used to connect fire hoses and fire pumps to deliver seawater or other extinguishing media to the fire scene for extinguishing. The Marine fire hydrant valve has the characteristics of anti-corrosion, high temperature resistance and pressure resistance, and can work stably and reliably in the harsh environment at sea.
Overview
Main Introduction
The fire hydrant valve refers to a special valve installed on the fire hydrant, which mainly plays the role of cutting off the water supply pipeline of the fire hydrant.
Main Types Provisions of GB/T2032-1993 Marine Fire Hydrant Valve
Type A - Straight type fire hydrant with flange size according to GB 569;
Type AS - Straight type fire hydrant with flange size according to GB 2501;
Type B - Right Angle type hydrant with flange dimensions according to GB 569;
Type BS - Right Angle type fire hydrant with flange dimensions according to GB 2501.
Drawing
1-Valve Body 2-Fire Fitting 3-Fitting Cover
Main Specification of GB/T2032-1993 Marine Fire Hydrant Valve
A Type &B Type
Nominal Diameter (DN) | External dimensions | Flange Connection Size | |||||||||||
L | L1 | H | L2 | H1 | D | D1 | D2 | n | Th | ||||
A | B | A | B | A | B | ||||||||
40 | 240 | 134 | 85 | 70 | 167 | 140 | 90 | 70 | 125 | 93 | 74 | 6 | M14 |
50 | 258 | 145 | 85 | 80 | 170 | 140 | 100 | 80 | 135 | 103 | 84 | ||
65 | 294 | 170 | 100 | 95 | 200 | 170 | 120 | 90 | 155 | 123 | 104 | ||
AS Type &BS Type
Nominal Diameter (DN) | External dimensions | Flange Connection Size | |||||||||||
L | L1 | H | L2 | H1 | D | D1 | D2 | n | Th | ||||
AS | BS | AS | BS | AS | BS | ||||||||
40 | 240 | 134 | 85 | 70 | 167 | 140 | 90 | 70 | 150 | 110 | 88 | 4 | M14 |
50 | 258 | 145 | 85 | 80 | 170 | 140 | 100 | 80 | 165 | 125 | 102 | ||
65 | 294 | 170 | 100 | 95 | 200 | 170 | 120 | 90 | 185 | 145 | 122 | ||
