SMP LTD  - Submarine Manufacturing and Products Limited
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SMP Ltd - Submarine Manufacturing & Products

Commercial Diving Equipment & Hyperbaric Chambers Manufacturers

Commercial Diving Equipment and Hyperbaric Chambers

SMP are firmly established as one of the worlds leading manufacturers and suppliers of commercial diving equipment. We manufacture hyperbaric chambers, saturation diving systems, diver hot water machines and diver launch and recovery systems. We also supply commercial diving equipment including Kirby Morgan diving helmets, Coltri breathing air compressors, Cortland surface supplied diving umbilicals, underwater camera systems, Birns underwater lighting, Stanley hydraulic underwater tools and underwater NDT equipment.

SMP Ltd Announce Staff Expansion

In response to our planned expansion into new markets we are now looking to recruit across our design and manufacturing teams.

If you are an electrical or mechanical design engineer, a skilled mechanical engineer with pipe fitting experience, or a skilled welder/fabricator and you are looking for the next step up then send your CV with a covering letter to or by post to our HR department.

SMP Ltd offer you a rewarding career within an international manufacturing company. The company has now completed a planned change in direction and has been successful in obtaining ISO13485 certification for medical devices, allowing SMP Ltd to offer a range of medical chambers to the oxygen therapy market.

In addition the scope of the company’s business has been extended to include military equipment and has been rewarded with a number of new contracts.

If you think you are the right person for our company then send your details and let us know about you.

Click here for other current job vacancies at SMP Ltd

Commercial Diving Equipment: Featured Products

A selection of commercial diving equipment from our vast range of products is given below. We work closely with all of the major diving equipment suppliers to provide the best quality diving products at competitive prices.


Commercial Diving Helmets
Kirby-Morgan-37SS-Stainless-Steel-Commercial-Diving-Helmet The Kirby Morgan 37SS Commercial Diving Helmet  features an all stainless steel shell, as well as a stainless sideblock, commercial helmet ring, bent tube, handle, and other key components.
Underwater Tools
Spitznas-Underwater-Hydraulic-Sabre-Saw Spitznas Underwater Hydraulic Sabre Saw Type 5
Hyperbaric Chambers
Standard-72inch-Hyperbaric-Chamber-(1800mm)-Diameter- The SMP manufactured 72inch (1800mm) Diver Decompression Chamber comes with CE approval, Lloyds certification and meets IMCA D023 standards.
Launch & Recovery Systems
Wet-Bell-LARS-With-Control-Cabin-and-Mixed-Gas-Panel- A NEW Launch And Recovery System (LARS) for wet bell diving. The LARS is IMCA compliant and heavy duty, so suitable for use in harsh marine environments.
Diving Umbilicals
Surface-Demand-Diving-Umbilicals--Diver-Umbilicals SMP has many years experience supplying tailor-made divers diving umbilicals for both Surface Demand and Bell Excursion applications. 
Coltri Compressors
Coltri-LP-280-Rotary-Silent-Nitrox-Compressor-with-Seperated-Dryer This Coltri LP 280 Nitrox Compressor has a seperated dryer allowing for greater flexibility.
Dive Panels
2-Diver-HP/LP-Control-Panel-in-a-Pelicase Designed and manufactured in accordance to HSE guidelines, BSI quality standards & CE approvals. Testing and certification in accordance with IMCA D018. 
Underwater Camera Systems
C-Tecnics-Two-Diver-Video-&-Diver-Communications-System- A Two Diver Video & Communications System that is Portable, Waterproof, Rugged & Weighs only 12.7Kg

SMP Submarine Rescue System Shipped to Vietnam

SMP Ltd have designed and built a bespoke IMCA (DO18) compliant 32 Man Submarine Rescue System. The system has design approval and has been witness tested from Lloyds Register of Shipping.

The system comprises of 2 identical decompression chambers built into 30ft ISO containers. Each container will have integrated control panels, medical quality hydrocarbon free air storage and a fire suppression system. One other 20ft ISO container has been provided, this acts as a machinery and life support container.
Submarine Rescue System at SMP Factory in Preston 2015

James Ellison Hyperbaric Recovery

SMP Ltd design and manufacture a wide range of Hyperbaric Chambers and Oxygen Therapy equipment for use by divers, sports people and medical treatments. On the video below, James Ellison (British Superbike Rider) attributes part of his remarkably quick recovery from a broken femur to using a Hyperbaric Oxygen Therapy Chamber at SMP Ltd in Preston. Phil Connolly, managing director of SMP Ltd also talks about the benefits of chambers like this for private medical institutions and sports injury clinics.

Hyperbaric Chambers - Diver Decompression Chambers

SMP Standard 60inch Hyperbaric Chamber - Diver Decompression Chamber DDC

We specialise in the design, manufacture and installation of hyperbaric chambers. We supply diver decompression chambers for the offshore industry aswell as onshore hyperbaric oxygen therapy chambers (HBOT) for the medical industry. All of our diving chambers are designed to meet and exceed IMCA standards for offshore use and are CE approved.


View our range of hyperbaric chambers and hyperbaric chamber accessories.

Coltri Breathing Air Compressors

Coltri Breathing Air Compressors

We supply a wide range of Coltri breathing air compressors. We offer both low pressure and high pressure compressors with petrol, diesel or electric motors. We also offer a range of Nitrox compressors capable of pumping upto 40% nitrox.

View our range of Coltri air compressors.

In addition we stock a full range of Coltri compressor spares, compressor service kits and Coltri compressor accessories.

Saturation Diving Systems

Saturation Diving Systems

SMP manufacture Saturation Diving Systems for the commercial diving industry. All of our saturation diving systems are Lloyds approved and meet IMCA D 024 for DESIGN for saturation (bell) diving systems.

SMP have recently designed, manufactured and installed a compact saturation diving system for the Spanish coastguard. Our in-house CAD design team were able to design the system to fit around the layout of the clients vessel and specification. Our attention to detail and bespoke approach ensures that our clients have a system that meets their expectations.

SMP Supply Worldwide Commercial Diving Contractors

International Marine Contractors Association
Association of Diving Contractors

SMP are members of IMCA (International Marine Contractors Association) and ADC (Association of Diving Contractors). We supply commercial diving equipment to commercial diving contractors throughout the UK, Europe and throughout the rest of the World.

IMCA - International Marine Contractors Association

Association of Diving Contractors


SMP Ltd Announce Staff Expansion

Tue 19th June 2018

In response to our planned expansion into new markets we are now looking to recruit across our desig
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SMP LTD Easter Opening 2017

Thu 13th April 2017

Please be advised of the following SMP LTD office opening times for the forthcoming Easter Holiday.
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Oceanology International 2016

Fri 4th March 2016

OCEANOLOGY INTERNATIONAL 201615th - 17th March 2016 ExCeL London United Kingdom Visit us on Stand R1
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Pat Murphy

Tue 20th October 2015

It is with great sadness that we announce that Pat Murphy, one of our longest serving employees, pa
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SMP Apprentices achieve success
SMP LTD apprentices

Mon 10th August 2015

SMP LTD congratulate their apprentices on passing their exams for the academic year 2014/2015 and we
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Submarine Manufacturing and Products Ltd
Submarine Manufacturing and Products Ltd
Blackpool Road, Newton, Nr. Kirkham
Preston, Lancashire, UK, PR4 3RE

Email: Click here to send us email
Tel: +44 (0)1772 687775
Fax: +44 (0)1772 687774

We are BSI Registered

We are BSI Registered for ISO 9001 & ISO 14001