DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

Wafer Check Valve CB/T3819-1999

Category
GB/CB/CBM Valve
Origin
China
Wafer Check Valve CB/T3819-1999

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 wafer-check-valve-cb-t3819-1999
Standard CB/T3819-1999
Origin China

Technical Information

China Wafer Check Valve CB/T3819-1999:

Wafer Check Valve should be installed horizontally, can not be installed out the outlet of pump and the turning site of the pipe.

Technical Specification:

Design Standard: CB/T3819-1999

Test Standard: GB600

Flange Size as per GB2501

Nominal Pressure(MPa) Nominal Diameter(mm) Applicable Medium
1.0 50～500 Sea water, Fresh water
Main Parts & Material:

Body-Bronze(QA19-2)

Disc-Bronze(ZQA19-2)

Seal Ring- Rubber (NBR)

Main Size List(mm):
DN D d H Weight(kg)
50 108 26 14 1.05
65 128 36 14 1.63
80 144 48 14 2.05
100 164 72 14 3.43
125 194 95 16 8.58
150 220 115 19 13.20
200 275 140 29 18.10
250 330 190 29 24.60
300 380 218 38 37.30
350 440 265 41 71.60
400 490 306 51 76.35
450 540 358 51 81.00
500 596 408 61 88.60