DQ Marine

Marine Equipment & Technical Supplies

TECHNICAL DATASHEET Issued 2026-08-23

DQ MARINE PRODUCT DATA

Suction Grille B Type

Category
Manhole Cover
Origin
China
Suction Grille B Type

Product Overview

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

Key Specifications

Category Manhole Cover
Model / SKU type-suction-grille-b
Origin China

Technical Information

China Suction Grille B Type:

Bottom suction grille mainly filters the impurities mixed in the suction sea water, prevents the impurities from blocking the freshwater heat exchanger and the lubricating oil heat exchanger, and avoids the impurities from winding the cooling water pump and so on.

Drawing:
Specification:

Valve Nominal Path Grid Block Grid Bolt Hull diameter hole Flow area ratio Weight
D H δ H1 h F δ1 Quantity Diameter
50 118 80 6 65 20 15 5 4 M8 135 3.3 2.1
65 158 80 6 65 20 15 5 4 M10 175 3.7 2.8
80 191 80 6 65 20 15 5 4 M10 208 3.7 3.6
100 231 90 7 70 20 20 5 6 M10 250 3.7 5.6
125 286 90 7 70 20 20 5 6 M10 305 3.5 6.9
150 336 95 8 75 25 20 5 6 M12 355 3.4 10.4
200*200 414 100 8 80 25 20 5 6 M12 435 3.1 14.1

Picture:


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.