DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

Marine Bronze Female Thread Stop Valve CB/T309-1999

Category
GB/CB/CBM Valve
Origin
China
Marine Bronze Female Thread Stop Valve CB/T309-1999

Product Overview

DQ Marine supplies marine equipment and technical products for shipyards, vessel operators, offshore projects and industrial buyers worldwide.

Key Specifications

Category GB/CB/CBM Valve
Model / SKU marine-bronze-female-thread-stop-valve-cb-t309-1999
Standard CB/T309-1999
Origin China

Technical Information

China Marine Bronze Female Thread Stop Valve CB/T309-1999:

Marine Bronze Female Thread Stop Valve is suitable for the pipe system of sea water, fresh water, lubrication oil, and steam not over 250℃.

There are two types, Type A is straight, Type B is angle.

Technical Specification:

Design Standard: CB/T309-1999

Nominal Pressure: 1.6Mpa

Test Standard: GB600

Flange size as per GB569,GB2501

Main Material:

Body-Bronze

Bonnet-Bronze

Disc-Bronze

Stem-Bronze

Main Size List(mm):
nominal
diameter 		Structure Dimension
 thread dimension

lift

m

Weight(kg)
L H H1
A B A B D1 S L1 D0 S1 A B
6 65 - 86 - - G1/4 19 10 50 6 5 0.35 -
10 75 - 88 - - G3/8 22 12 50 6 5 0.44 -
15 84 35 100 125 35 G1/2 27 14 50 6 6 0.56 0.53
20 95 40 112 143 40 G3/4 36 16 65 7 7 0.9 0.91
25 110 45 125 158 45 G1 41 18 80 8 8 1.26 1.26
32 130 54 139 176 54 G1-1/4 50 20 80 8 8 2.02 2.02
40 150 65 155 220 65 G1-1/2 60 22 120 11 14 2.93 2.93
50 180 80 175 283 80 G2 70 24 120 11 15 4.37 3.83