DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

Marine Mud Box JIS F7203 S Type

Category
JIS Marine Valve
Origin
China
Marine Mud Box JIS F7203 S Type

Product Overview

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

Key Specifications

Category JIS Marine Valve
Model / SKU marine-mud-box-jis-f7203-s-type
Standard JIS F7203-1996 & ISO 5621
Origin China

Technical Information

China Marine Mud Box JIS F7203 S Type:

Marine mud box is the bilge mud box for machinery spaces and tunnels, used to stop the sundries and the sewage sludge block in the bilge water.

Technical Specification:

Design & Manufacturing Standard: JIS F7203-1996 & ISO 5621

Inspection & Test Standard: JIS 7200-1996

Hydraulic Test Pressure: Body- 0.1Mpa

Flange Standard: JIS B2220 - 5K/10K

L Type: Angle Type

S Type: Straight Type

Main Material:

Body: Cast Iron (FC200)

Bonnet: Cast Iron (FC200)

Cover Push: Cast Iron (FC200)

Strainer: SS400 or SUS304

Plug: Brass

Main Size for S Type:

DN d L D C No of bolt hole h t H
40 40 90 120 95 4 15 16 128
50 50 120 130 105 4 15 16 160
65 65 150 155 130 4 15 18 206
80 80 160 180 145 4 19 18 231
100 100 190 200 165 8 19 20 262
125 125 235 235 200 8 19 20 354
150 150 280 265 230 8 19 22 437
200 200 330 320 280 8 23 24 540
250 250 380 385 345 12 23 26 680