DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-23

DQ MARINE PRODUCT DATA

HSZ-VT Chain Block

Category
Chain Block
Origin
China
HSZ-VT Chain Block

Product Overview

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

Key Specifications

Category Chain Block
Model / SKU hsz-vt-chain-block
Origin China

Technical Information

HSZ-VTChain Block Introduction

Double pawls braking system.

Reasonable design structure, reliable quality.

Plate, gear, long and short spindle with heat treatment, hoist higher strength.

Test standard (4 times static test, 1.5 times dynamic test).

G80 alloy load chain and galvanized hand chain as the standard configuration.

Product Details

The parameter table 1

Model Rated Load (T) Lifting Height (m) Average Pull To Lift(N) Lifting Chain Lifting Per Meter Each Hand Zipper Pull Distance(mm) Load Chain Dia x Fall Chain lines Test Load (T) Net Weight (kg) Gross Weight(KG) Extra Weight Per Meter (kg)
0.5 0.5 2.5 262 26 5mm*1 0.75 7 7.5 1.5
1 1 2.5 304 42 6mm*1 1.5 10.5 11 1.8
1.5 1.5 2.5 395 51 8mm*1 2.4 15.5 16 2
2 2 2.5 330 83 6mm*2 3 17 18 2.7
3 3 3 402 102 8mm*2 4.5 23 25 3.2
5 5 3 415 156 10mm*2 7.5 39 42 5.3
10 10 3 428 312 10mm*4 12.5 69 77 9.8
20 20 3 428*2 312*2 10mm*8 25 162 232 19.8

The parameter table 2

Rated Load(T) a b e f g s t u V
0.5 124 135 51 60 20 30 11.5 18 65
1 137 160 60 80 25 37 18.5 22 78
1.5 143 195 65 92 35 45 19 26 97
2 137 160 60 80 35 48 23 29 103
3 143 195 65 92 36 50 27 38 123
5 173 255 86 87 46 65 30 41 150
10 173 395 48 270 55 80 40 61 215
20 195 650 97 325 80 108 60 92 295