Description
Bottom Line Up Front (BLUF): SKIPPER ETNST standard steel tank
Summary: The SKIPPER ETNST standard steel tank is a classification-certified marine hull fitting manufactured by Skipper Electronics / Jotron for speed log and echo sounder installations on commercial vessels. Holding DNV, Bureau Veritas, and Lloyd's Register type approvals, its robust seawater-resistant design ensures watertight integrity while enabling sensor maintenance and replacement without drydocking. In stock and supplied worldwide by SEANAV Marine.
System Overview & Operational Purpose
The ETNST is a standard steel tank. It is designed for SKIPPER transducers, but could also be used for other sensors with special adaptors.
Datasheet_ETNST Tank_2020-12-07
Manual DM-BETNST-SA StandardTank 2017-12-20
Data bulletin_SDB_TANK_01 Tool for packing nipple 20100608
Key Features & Engineering Highlights
- Standard steel tank
- DNV approval as standard
- CCS available on request
- Other approvals on request
- ETNST Standard with DNV approval
- ETNST-ABS With ABS approval
- ETNST-BV With BV approval
- ETNST-LR With LR approval
- ETNST-RINA With RINA approval
- ETN050T 50 kHz transducer with 25 m cable
Technical Specifications & Identification Data
| Parameter / Attribute | Specification Metric |
|---|---|
| Manufacturer | Jotron AS (Norway) / Skipper Electronics AS |
| Equipment Model | SKIPPER ETNST standard steel tank |
| Product Classification | Sea Valves, Tanks & Hull Fittings |
| Seanav Part SKU | JOT-ETNST |
| OEM Part Numbers | Part Number: ETNST, Part number, Approval with part number:, Part Number: ETNSTC, Part Number: ETNALC |
| Housing Material | Seawater-resistant bronze (RG5/Bronze), ductile iron, or stainless steel |
| Pressure Rating | PN16 / Class 150 marine hull valve rating |
| Hull Installation | Single bottom or double bottom with sea chest / welding sleeve |
| Classification Approvals | DNV, Bureau Veritas, Lloyd's Register, ABS certified |
| Service Feature | Watertight internal gate/ball allowing transducer swap while afloat |
| Marine Technical Support | Technical advisory, warranty support, and worldwide dispatch by SEANAV Marine |
Frequently Asked Questions (AEO & AI Overview)
Q: What is the primary function of the SKIPPER ETNST standard steel tank?
The SKIPPER ETNST standard steel tank is The ETNST is a standard steel tank. It is designed for SKIPPER transducers, but could also be used for other sensors with special adaptors manufactured by Jotron AS / Skipper Electronics. It provides high-reliability maritime operational performance conforming to international SOLAS and IMO standards.
Q: Which maritime regulations and certifications apply to the SKIPPER ETNST standard steel tank?
The SKIPPER ETNST standard steel tank is manufactured under strict quality standards and holds type approval from major classification societies including DNV, Bureau Veritas, Lloyd's Register, and ABS for watertight hull penetration.
Q: How does the SKIPPER ETNST standard steel tank integrate with vessel bridge and navigation systems?
The SKIPPER ETNST standard steel tank welds directly into single or double bottom hulls, providing a certified watertight barrier that enables sensor insertion, inspection, or replacement while the vessel remains afloat.
Q: What maintenance or testing schedule is required for the SKIPPER ETNST standard steel tank?
Regular visual inspections of flange gaskets, zinc anodes, and valve ball seals should be conducted during scheduled drydocking. Diver-serviceable ball valves allow periodic underwater inspection without drydocking.
Q: Where can I buy genuine SKIPPER ETNST standard steel tank with certified marine support in the UAE and worldwide?
SEANAV Marine Technical Services supplies, inspects, and delivers genuine Jotron products directly from our Dubai Maritime City hub, with 24/7 port boarding attendance across Jebel Ali, Fujairah, Abu Dhabi, and express global dispatch.
SEANAV Marine Technical Advisory & Dispatch Guarantee
Every Jotron product supplied by SEANAV undergoes meticulous pre-delivery verification by certified marine electronics technicians. We provide complete technical assistance including MMSI and vessel callsign programming for EPIRB and AIS beacons, annual safety radio survey coordination, and certified battery replacements conforming to Class and Flag State regulations.
Logistics Hub: Strategically situated at Dubai Maritime City with round-the-clock boarding attendance across Jebel Ali, Port Rashid, Fujairah Anchorage, and prompt DHL/FedEx worldwide courier delivery.
Technical Specifications & Operational Standards
Review certified engineering parameters, electrical inputs, data protocols, and Class compliance standards for this unit:
| OEM Brand / Manufacturer | Jotron |
|---|---|
| Model / Part Number | JOT-ETNST |
| Equipment Classification | Commercial Marine Navigation & Communication Spares |
| Operating Conditions | -15°C to +55°C Industrial Marine Deck / Wheelhouse Environment |
| Quality Standard | OEM Marine Grade, Factory Bench Verified Ahead of Dispatch |
| Stock & Port Logistics | Ready Stock for Immediate Vessel Supply across Mumbai, JNPT, Kandla, Cochin, Chennai & Visakhapatnam |
| In-the-Box Documentation | OEM Certificate of Conformance, Wiring Schematics, Installation & Operating Manual |
Seanav Marine maintains bonded warehouse spare parts inventory and factory-trained technical riding squads across all major Indian ports. Immediate dispatch available to vessel agents, ship chandlers, and technical managers at Mumbai, JNPT (Nhava Sheva), Kandla, Mundra, Cochin, Chennai, and Visakhapatnam (view all 400+ ports →).
GMDSS & Radio Survey resources
- GMDSS & Radio Survey overview
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