DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-23

DQ MARINE PRODUCT DATA

Marine Cast Steel 10K Screw Down Check Globe Valve JIS F7471

Category
JIS Marine Valve
Origin
China
Marine Cast Steel 10K Screw Down Check Globe Valve JIS F7471

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-cast-steel-10k-screw-down-check-globe-valve-jis-f7471
Standard JIS F7471-1996
Origin China

Technical Information

China Marine Cast Steel 10K Screw Down Check Globe Valve JIS F7471:

Marine Cast Steel 10K Screw Down Check Globe Valve JIS F7471 is used to shut off/turn on the medium,adjust the flow rate and prevent the medium flow back in the marine steam, fresh water, water feeding, fuel oil and lubrication oil pipe lines. It is called Marine Cast Steel SDNR Valve, or marine cast steel stop check valve.

Technical Specification:

1. Design and manufacturing standard: JIS F7471-1996

2. Inspection and Test standard: JIS F7400

3. Hydraulic Pressure Test: Body---2.1Mpa, Seat---1.54~0.4Mpa

4. Connection Type: Flange

5. Flange Standard: JIS B2220 10K

6. Warranty: 12months

Max Working Pressure:
Fluid Condition Max Working Pressure (Mpa)
Steam of 300℃ 1.0
Steam of 200℃ or less 1.2
Air, oil, gas and pulsation water 1.2
non-shock water of 120℃ or less 1.4
Main Material:

1-Body:Cast Steel

2-Seat: Stainless Steel

3-Disc:Stainless Steel

4-Stem: Stainless Steel

5-Bonnet: Cast Steel

6-Handwheel: Cast Iron

Main Size(mm):

IMPA CODE Size L D C t No of bolt hole h H D2 Weight(kgs)
751201 50 220 155 120 16 4 19 270 160 17.9
751202 65 270 175 140 18 4 19 300 200 26
751203 80 300 185 150 18 8 19 310 200 29.8
751204 100 350 210 175 18 8 19 355 250 44.7
751205 125 420 250 210 20 8 23 415 280 70.3
751206 150 490 280 240 22 8 23 470 315 96.4
751207 200 570 330 290 22 12 23 565 355 159
751208 250 740 400 355 24 12 25 645 400 257
751209 300 840 445 400 24 16 25 735 450 370