DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-21

DQ MARINE PRODUCT DATA

SB Series Snatch Blocks SB-311 General Purpose

Category
Ship Steel Block
Origin
China
SB Series Snatch Blocks SB-311 General Purpose

Product Overview

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

Key Specifications

Category Ship Steel Block
Model / SKU sb-series-snatch-blocks-sb-311-general-purpose
Origin China

Technical Information

SB-311 General Purpose:

S.W.L P.L sheave Dia. wire Dia.
TON mm
3 12 250(10") 18~20
5 20 300(12") 20~24
6 24 350(14") 24~28
8 32 400(16") 28~32
15 60 460(18") 32~36

SB-311 Heavy Duty:

S.W.L P.L sheave Dia. wire Dia.
TON mm
10 40 400(16") 29~32
15 60 460(18") 32~36
20 80 460(18") 38~42
25 90 500(20") 38~42

Product Advantage:
1.Satisfactory Quality
2.Competitive Price
3.Prompt Delivery
4.7x24 hours service
Packing and Delivery:
1. Standard Export Packing or Seaworthy Packing, if you have special requirement, please specify when inquiry.
2. Fast Delivery, delivery time can negotiate when order.
How to Order?
1. Please inform us the model, type or size you need.
2. Please inform us the quantity to make the best price for you.
3. Shipment Model: Air or Sea shipment.
4. Special requirement if any.