Welding Blanket
Signature Welding Blanket
Seven DSZVCF models · up to 1760 °C · cut to your length × width
₹580.00/ NOS
Signature welding blankets · Kolkata, Howrah & Haldia
Welding blankets for Kolkata ship repair and Howrah fabrication work
Cutting slag on a hull plate and grinding sparks in a fabrication bay need different blankets. This page matches Kolkata, Howrah and Haldia hot work to the right Signature model — heavy DSZVCF for deck and port work, medium-duty DSZMDWB2.4 for everyday bay welding and work near electrical gear. We make every blanket at our Ahmedabad factory, cut to your size, and dispatch it to your site.
For Howrah bays and work near panels
Everyday bay welding and hot work near live cabling usually need the medium-duty DSZMDWB2.4, not the heavy range. Request a quote here, or open the product to choose your size.
Industrial areas around Kolkata where welding blankets are used
Hot work around Kolkata runs from dry docks and shipyards on the Hooghly, through the port and refinery belt at Haldia, to Howrah's foundry and engineering cluster. The blanket you need follows the work in each area: how much slag lands on it, how long it stays down, and what sits underneath it.
Kidderpore and Netaji Subhas Docks
Port dry docks — Kolkata Dock System
- Main industries:
- Ship repair, dry-docking and refit of coastal and inland vessels
- Typical use:
- Hull plate renewal, deck welding and gas cutting while a vessel sits in dry dock. Blankets go over decks and hatch edges so cutting slag stays off paintwork, fittings and the deck below.
Start with: DSZVCF3.2 to DSZVCF4.0
Garden Reach riverfront
Shipbuilding and fitting-out yards on the Hooghly
- Main industries:
- Shipbuilding, outfitting and afloat repair
- Typical use:
- Structural welding on blocks and hulls, plus hot work during fitting-out. In machinery spaces and near switchboards, a non-metallic blanket keeps steel away from live cabling.
Start with: DSZVCF3.2 / DSZVCF4.0; DSZMDWB2.4 near panels
Haldia Dock Complex
Port — cargo berths and oil jetties
- Main industries:
- Bulk, liquid and container cargo handling
- Typical use:
- Repair welding on cranes, conveyors, hoppers and jetty steel, often overhead or at height. Overhead work spreads spatter wide, and covers often stay down for a full maintenance window.
Start with: DSZVCF4.0 to DSZVCF5.0
Haldia industrial belt
Refinery, petrochemical and chemical hub
- Main industries:
- Oil refining, petrochemicals, chemicals and fertilisers
- Typical use:
- Shutdown and turnaround hot work on piping, vessels and structural steel. Long shutdowns favour the thicker, higher-GSM builds that stay down for days at a time.
Start with: DSZVCF4.0 to DSZVCF5.0
Howrah foundry and engineering cluster
MSME cluster — Dasnagar, Liluah, Belgachia, Salkia, Balitikuri, Jangalpur
- Main industries:
- Iron foundries, re-rolling mills, engineering spares and fabrication
- Typical use:
- Fabrication welding with grinding between passes, and maintenance hot work around foundry floors. Light bay welding fits medium duty; foundry-side work needs the heavy range.
Start with: DSZMDWB2.4 for bays; DSZVCF3.2 to DSZVCF4.5 near foundry work
Uluberia Industrial Park
WBIIDC industrial park, Howrah district
- Main industries:
- Iron and steel casting, engineering and general manufacturing
- Typical use:
- Plant maintenance welding and fabrication of frames and fixtures. Most everyday jobs sit within the medium-duty window; casting-side repairs step up to heavy.
Start with: DSZMDWB2.4, or DSZVCF3.0 / DSZVCF3.2
Matching the model to the Kolkata job
Find the row closest to your work and start with that model. Each row links to the matching product, where you choose the model and size, then buy online or request a quote. If two rows apply — a yard and a bay, for example — put both models on one quotation as separate lines.
| Hot work | Start with | Build | Working temperature | Order |
|---|---|---|---|---|
| Deck or hull welding, blanket moved between jobs | DSZVCF3.0 / DSZVCF3.2 | 3.0–3.2 mm · 1500 GSM · SS metallic reinforced | 1260 °C to 1760 °C | |
| Gas cutting hull plate, blanket down for the whole repair | DSZVCF4.0 / DSZVCF4.5 / DSZVCF5.0 | 4.0–5.0 mm · 1700–2200 GSM · SS metallic reinforced | 1260 °C to 1760 °C | |
| Overhead repair welding on port cranes and conveyors | DSZVCF4.0 / DSZVCF4.5 | 4.0–4.5 mm · 1700–2000 GSM · SS metallic reinforced | 1260 °C to 1760 °C | |
| Refinery or petrochemical shutdown hot work in the Haldia belt | DSZVCF4.0 / DSZVCF4.5 / DSZVCF5.0 | 4.0–5.0 mm · 1700–2200 GSM · SS metallic reinforced | 1260 °C to 1760 °C | |
| Maintenance hot work around a Howrah foundry floor | DSZVCF3.2 / DSZVCF4.0 / DSZVCF4.5 | 3.2–4.5 mm · 1500–2000 GSM · SS metallic reinforced | 1260 °C to 1760 °C | |
| Everyday stick or MIG in a Howrah fabrication bay | DSZMDWB2.4 | 2.4 mm · 1300 GSM · non-metallic fabric | 900 °C to 1000 °C | |
| Welding near panels or cabling in engine rooms | DSZMDWB2.4 | 2.4 mm · 1300 GSM · non-metallic fabric | 900 °C to 1000 °C | |
| Small spot cover for a toolbox or bench kit | DSZVCF2.5 | 1000 GSM · 1 × 2 m reference size | 1200 °C to 1760 °C |
The specifications that decide the order
These are the listed specifications for the two Signature welding blanket families. Confirm the model on the product page before you order. To compare temperature figures across suppliers, read our guide to reading temperature ratings.
Signature Welding Blanket (heavy)
- Vermiculite-coated ceramic-fibre blanket, brown
- Seven DSZVCF models; reinforced builds run 3.0 mm to 5.0 mm and 1100 to 2200 GSM
- SS metallic reinforced on DSZVCF2.8 to DSZVCF5.0
- Working temperature 1260 °C to 1760 °C (DSZVCF2.5: 1200 °C to 1760 °C)
- Reference format 1 × 30 m roll (DSZVCF2.5: 1 × 2 m); ordered to your length × width
Signature Medium Duty Welding Blanket
- Single model DSZMDWB2.4, vermiculite coated, brown
- 2.4 mm thick, 1300 GSM
- Non-metallic fabric reinforcement
- Working temperature 900 °C to 1000 °C
- Reference format 1 × 50 m roll; ordered to your length × width
Both families are sold per piece: you enter length and width in metres and we cut the blanket to that size. A welding blanket is a hot-work shield, not a fire response blanket — keep separate smother stock for fire-watch.
What to send for an accurate quotation
A complete request lets us quote the right model and size without a round of questions. Six details cover most Kolkata yard and bay orders.
- The hot work
- Ship repair, port equipment, refinery shutdown, foundry maintenance, fabrication bay, or welding near electrical gear.
- Model or duty level
- A DSZVCF thickness, DSZMDWB2.4, or simply heavy / medium if you are unsure.
- Finished size
- Length × width in metres for each cover, with margin beyond the work area.
- Quantity per size
- One line per size and model, so deck covers and bay covers stay separate.
- Delivery pin
- Kolkata, Howrah or Haldia address, plus any required-by date.
- Hanging finish
- Mention eyelets if the blanket will screen a compartment or bay.
Made in Ahmedabad, dispatched to Kolkata
Darshan Safety Zone manufactures every Signature welding blanket at our Ahmedabad factory and dispatches orders to Kolkata, Howrah and Haldia. We do not keep local stock or run a branch in West Bengal; each blanket is cut to the size on your order. We confirm dispatch for your models and quantities on the quotation, and you do not need to visit the factory to order.
Products that pair with a welding blanket
Hot-work permits in a yard or bay usually need more than one cover. These Signature products cover the jobs a welding blanket does not.
- Signature Medium Duty Welding Blanket: DSZMDWB2.4 for Howrah bays and for welding near panels, where non-metallic reinforcement matters.
- Signature Fire Blanket: Fire-watch smother stock for the permit — a different job from shielding the deck during hot work.
- Signature Fire Retardant Tarpaulin: Silicon-coated grey sheeting for covering stored equipment and materials around a yard or project site.
Guides and industry journeys
Go deeper on selection, sizing and quotations, or see how welding blankets fit a wider marine or fabrication programme.
How to choose a welding blanket
The full spark-load, duty-cycle and thickness method behind the model choices on this page.
Open guideShipbuilding & marine
Hot-work protection across a yard programme, beyond welding blankets.
Open industry journeyWelding & fabrication
Bay-level protection for fabrication shops and engineering works.
Open industry journeySpecify a custom size for an RFQ
How to write length, width and quantity so a quotation comes back right first time.
Open guideRequest a bulk quotation
Several sizes or mixed heavy and medium lines for a yard or shutdown.
Open guideTalk to our team
Describe the hot work if you are still unsure which model fits.
Open contact form
Frequently asked questions
Answers for Kolkata, Howrah and Haldia buyers ordering Signature welding blankets.
Which Signature welding blanket suits ship-repair hot work in Kolkata?
For hull plate renewal, deck welding and gas cutting on vessels in the Kidderpore and Netaji Subhas dry docks or the Garden Reach yards, start with the heavy Signature Welding Blanket. DSZVCF3.2 is the usual starting build at 3.2 mm and 1500 GSM; move to DSZVCF4.0 to DSZVCF5.0 when the blanket stays on deck for the whole job under sustained cutting slag. The reinforced DSZVCF models are listed at 1260 °C to 1760 °C.
Heavy or medium duty for a Howrah fabrication shop?
Most Howrah bays doing everyday stick or MIG welding on structural sections can work with the Signature Medium Duty Welding Blanket DSZMDWB2.4, rated 900 °C to 1000 °C. Choose the heavy DSZVCF range when the bay also runs heavy grinding, gas cutting or overhead work, or when the blanket stays down all week rather than coming out for one job.
Which model should we use near ship electrical panels or engine-room cabling?
Use DSZMDWB2.4. Its reinforcement is non-metallic fabric, so there is no steel in the blanket to drape around live panels, junction boxes or cable runs. The heavy DSZVCF roll models carry SS metallic reinforcement and are better kept for deck, hull and structural hot work away from live electrical gear.
Can one Kolkata order cover both a yard and a fabrication bay?
Yes. Put each use on its own line — for example DSZVCF4.0 for deck covers and DSZMDWB2.4 for the bay — with length, width and quantity for each. One quotation can carry both families; separate lines stop the heavy and medium builds being mixed up at dispatch.
Do you keep welding blanket stock or a warehouse in Kolkata?
No. Darshan Safety Zone makes Signature welding blankets at our Ahmedabad factory, cut to the length and width you order, and dispatches them to Kolkata, Howrah and Haldia addresses. We do not have a Kolkata branch, dealer or warehouse.
How quickly can welding blankets reach a Kolkata or Haldia site?
Dispatch depends on the models, sizes and quantity on your order, so we confirm it on the quotation rather than promising a fixed date on this page. Put your required-by date and the delivery pin on the request so we can tell you up front whether it is achievable.
What size should we order for deck or hull work?
Measure the area you need to protect with margin around it, not just the weld seam — cutting slag and grinding sparks travel well beyond the joint. Enter that length and width in metres; the blanket is supplied at that size and sold per piece. The 1 × 30 m figure on the heavy models is a reference roll format, not a size you have to buy.
Can welding blankets be hung to screen off a compartment or bay?
Yes, blankets can be laid flat, draped over equipment or hung as a screen. No eyelets are listed as standard, so you receive the blanket cut to your dimensions. If you need eyelets or another hanging finish for a compartment screen, say so on the quotation.
Is a welding blanket enough for fire-watch on a vessel or in a shop?
No. A welding blanket shields decks, floors and equipment from sparks and spatter during hot work. Smothering a small fire is the job of a fire blanket, which sits in a separate category. Keep both on the hot-work permit if your fire-watch plan needs smother stock.
What should a Kolkata welding blanket quotation include?
The work (ship repair, port equipment, refinery shutdown, foundry maintenance, fabrication bay or near electrical gear), the model or duty level, finished length and width in metres, quantity per size, delivery pin in Kolkata, Howrah or Haldia, and any required-by date. If the model is still unclear, describe the hot work and we will suggest one.
Need welding blankets for a Kolkata yard or Howrah bay?
Send the hot work, model, length × width, quantity and delivery pin. We will confirm the right Signature build and quote from our Ahmedabad factory.