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Elster Jeavons Diaphragm Gas Meters
Diaphragm gas meters are compact, light-weight and are designed to meet the highest demands with respect to measuring accuracy and safety. We can offer a full range of diaphagm gas meters in various sizes and connections for domestic, commercial and industrial applications.
Elster Jeavons & Instromet Gas Meters
Elster Jeavons & Instromet diaphragm, rotary and turbine gas meters and accessories for domestic, commercial and industrial applications.

Data Loggers & Remote Displays
Data loggers and remote displays enable users to easily read and retrieve data from a range of compatible meters.
WRAS Approved & Water Works Check (Non-Return) Valves
WRAS approved check valves and valves constructed with WRAS approved materials for potable water and water works duties. The range includes double, swing (flap) and spring loaded types.
Spring Loaded Check (Non-Return) Valves
Johnson Valves offer spring loaded check valves and spring assisted check valves. Our range includes in-line, disc, duel plate, double and swing type for a wide variety of duties and applications.
Wafer Check (Non-Return) Valves
Wafer multi-flange check valves are compact and lightweight, suitable for mounting between a wide range of flanges including PN6, PN10, PN16, PN25, PN40, ANSI 150, ANSI 300 and others.
Water Works Gate Valves
Gate valves suitable for water applications such as potable water supply, wastewater, sewage and fire main duties, many of which are WRAS (Water Regulations Advisory Scheme) approved, UL listed and FM approved.
Pressure Switches
Sika Themometers
Pressure Reducing Valves
Johnson Valves offer a range of direct-acting and pilot-operated industrial, domestic and HVAC pressure reducing valves suitable for water, air, gases, oil, steam and other liquids. Most of our high-quality pressure reducing valves are manufactured in the UK and EU.
Many are approved by the Water Regulations Advisory Scheme (WRAS), DVGW & ACS for potable water duty. We can also offer valves that are International Marine Purchasing Association (IMPA) coded for marine applications.
Pressure Reducing Valves Duties
Pressure Reducing Valves Connections & Types
Pilot Operated Pressure Reducing Valves
A pressure operated or pilot assisted pressure reducing valve utilises then pressure difference between the upstream and outlet downstream to control the pressure reduction via an external pressure valve controller.
Direct Acting Pressure Reducing Valves
Direct acting pressure reducing valves offer direct system pressure control and pressure reducing protection without the need for pressure differences, making them ideally suited to closed-loop or closed-end systems where constant flow is not always available.
Overload & Pressure Control Valves
Marine Ball Valves
Marine ball valves with materials compatible with marine and offshore environments. Type approvals and material certification from classification societies such as Lloyds, BV and DNV-GL are available on request with selected valves from our range.


Water Meter Insulation Jackets
Frost Damage Protection For Elster Water Meters
Every winter thousands of water meters and valves freeze causing irreversible damage leading to costly leaks, interruptions to the water supply and the subsequent need to replace the damaged equipment. These insulating jackets offer a simple and cost-effective solution that will help to prevent frost damage.
One-piece design and Velcro® closures enable easy installation, removal and reuse.
Pneumatic Actuators
Pneumatic actuators designed for quarter turn applications on ball valves, butterfly valves, plug valves and dampers.
Hydraulic Actuators
Hydraulic actuators designed for quarter turn applications on ball valves, butterfly valves, plug valves and dampers.
Electric Actuators
Electric actuators designed for quarter turn applications on ball valves, butterfly valves, plug valves and dampers.
Valve Actuators & Actuated Valves
Globe Fire Hydrant (Landing, Dry Riser, Deck) Valves
Bronze fire hydrant globe valves with various connections including Instantaneous and Storz.
Gate Fire Hydrant (Landing, Dry Riser, Deck) Valves
Gate type fire hydrant (landing) valves are usually installed in building dry riser systems.
Diaphragm Fire Hydrant (Landing, Dry Riser, Deck) Valves
Bolted bonnet diaphragm valves suitable for marine and industrial applications for firefighting and deck wash systems.
Thermometers & Temperature Gauges
Johnson Valves offer a range of thermometers and temperature gauges for many duties including marine, industrial and HVAC. We can also offer bespoke thermometers and temperature gauges to suit your requirements, please contact us for further details.
Temperature Controls & Valves
Tank Level Gauges & Indicators
Tank level gauges with sight glasses are used for the continuous indication of the liquid level within a tank or vessel. They usually consist of a top and bottom fitting with isolation and drain cocks fitted. They are installed to the outside of the tank or vessel with tubular glass or perspex between them.
Johnson valves offer these gauges for different duties including marine, boiler house and oil tank indication with glass cut to your requirements. Protectors and guards can also be made to your requirements.
Marine Strainers & Filters
Storm Valves
Storm valves, also known as scupper valves are used in sanitary discharge pipelines which have a ship side exit, preventing seawater from entering the system during heavy sea. Lloyds, BV, DNV, Germanischer Lloyds inspection can be arranged.
Steam Traps
Johnson Valves offer a range of high-quality thermodynamic, thermostatic and float steam traps in various materials and connections. Steam traps eliminate the detrimental effects of condensate which can cause poor heat transfer and damage to systems. They discharge the condensate whilst retaining steam in the system, thus ensuring your steam system operates efficiently.
Steam Trap Types
Steam Trap Materials
Steam Trap Connections
Self Closing Valves
Self-closing valves usually have a spring return mechanism or have a counterweighted lever. Used in applications where a positive return to the shut-off position is required after the valve is manually opened.
Sight & Flow Indicators
Flow indicators and sight glasses are a simple and effective way of visually monitoring flow through pipe systems in many applications. Johnson Valves offer a range of spinner, ball, scale plate flow indicators and straight through sight glasses from several manufacturer’s including Spirax Sarco and Rhodes.
Sea Chests
Quick Closing Valves
Quick Closing Valves which can be controlled by mechanical, hydraulic or pneumatic transmission. Suitable for marine service, providing a quick shut-off in emergency situations from outside the engine room. Mainly used in pipeline systems with combustible liquids.
Spirax Sarco Pressure Reducing Valves
Johnson Valves offer Spirax Sarco pressure reducing valves which are commonly used in steam and heating systems around the world.
Bailey Birkett Pressure Reducing Valves
Johnson Valves offer Bailey Birkett (now part of Emerson) pressure reducing valves including their popular G4 range of pilot operated valves which are used in many industrial applications.
Parallel Slide Valves
Needle Valves
Needle valves are screw lift – screw down valves used for fine regulation of flow.
Steel Globe Valves
Globe valves constructed with steel bodies with various trim and seal options. Available with flanged connections to various standards including DIN, EN, ANSI and BS4504. Screw lift (SL) and screw down non-return (SDNR) options are available on most globe valves.
Cast & Ductile Iron Globe Valves
Globe valves constructed with cast and ductile iron bodies with various trim and seal options. Available with flanged connections to various standards including DIN, EN and BS4504. Screw lift (SL) and screw down non-return (SDNR) options are available on most globe valves.
Bronze Globe Valves
Globe valves constructed with bronze bodies with various trim and seal options. Available with threaded and flanged connections to various standards including BSP, DIN, EN, BS4504, ANSI and JIS. Screw lift (SL) and screw down non-return (SDNR) options are available on most globe valves.
Flanged Globe Valves – DIN, EN, ANSI & BS4504
Globe valves with flanged connections to various standards including DIN, EN, ANSI and BS4504 (undrilled option available on some products). Screw lift (SL) and screw down non-return (SDNR) options are available on most globe valves.
Screwed Globe Valves
Globe valves with threaded connections to BSP standards (NPT option available on some products). Screw lift (SL) and screw down non-return (SDNR) options are available on most globe valves.
Marine Globe Valves
A range of screw lift (SL) and screw down non-return (SDNR) globe valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. Type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification are available on some valves.


Industrial & HVAC Globe Valves
A range of screw lift (SL) and screw down non-return (SDNR) globe valves in bronze, iron and steel body construction materials allowing them to be used in many applications such as boilerhouse, steam, heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses.
Steel Gate Valves
Gate valves and parallel slide gate valves constructed with steel bodies with flanged connections to various standards including DIN, EN and ANSI suitable for industrial, process and boilerhouse applications.
Cast & Ductile Iron Gate Valves
Gate valves constructed with cast and ductile iron bodies with flanged connections to various standards including DIN, EN and ANSI.
Bronze Gate Valves
Gate valves constructed with bronze bodies, available with threaded and flanged connections suitable general purpose and marine applications.
Flanged Gate Valve
Gate valves with flanged connections to various standards including DIN, EN and ANSI.
Threaded Gate Valves
Gate valves with threaded connections to BSP standards (NPT option available on some gate valves).
Marine Gate Valves
Gate valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. Some have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification is available.


Industrial & HVAC Gate Valves
Gate valves with various construction materials allowing them to be used in many applications such as boilerhouse, steam, heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses.
Float (Ball) Valves
Equilibrium pattern float (ball) valves for water tanks with flanged and screwed connections.
Fire Hydrant (Landing, Dry Riser, Deck) Valves & Fittings
Johnson Valves offer a range fire hydrant (landing, dry riser, deck) valves with screwed and bolted bonnets suitable for both offshore and onshore applications.
These include globe, gate and diaphragm patterns. They are manufactured in corrosion resistant materials with an LG2 bronze body and are available with Instantaneous BS 336 and Storz outlets (dependent on type) as standard but are also available with a wide range of international outlets and fittings including Gost, NST, NOR, SMS, Form 63, Guillemin, Nakajima, ROTA and others.
We also supply Mueller’s fire protection products in the UK. Their vast range of UL listed and FM approved products includes the world-renowned Super Centurion, the iconic American fire hydrant.

Swing Check (Non-Return) Valves
Johnson Valves offer swing type check valves, these valves are often called flap or flapper type valves. They generally offer good flow characteristics and usually require installation in the horizontal or vertical position with the flow going upwards.
Ball & Lift Check (Non-Return) Valves
Johnson Valves offer ball and lift type check valves. Ball check valves generally offer good flow characteristics and low headloss. They are usually required to be installed in the horizontal position.
Disc Check (Non-Return) Valves
Johnson Valves offer wafer disc type check valves manufactured with brass, stainless steel and bronze bodies with metal, EPDM, NBR, Viton and PTFE seats and seals to cover a wide range of duties.
Marine Check (Non-Return) Valves
Marine check and storm valves particularly suited for marine duties such as ballast systems, oil cargo pumping systems and shipside duties. Type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification are available on some valves.


HVAC, Industrial & Process Check (Non-Return) Valves
Johnson Valves offer check (non-return) valves to in a range of materials and connections including BSP, BS, DIN & ANSI standards that are suitable for HVAC, industrial & process industries.
Ball Valves
Johnson Valves offer a range of ball valves which are used for isolation and diversion offering easy and fast operation with good flow characteristics. We offer ball valves in various materials including brass, stainless steel, bronze and steel with various connections to BSP, NPT, DIN and ANSI standards.
Ball Valve Body Materials
Ball Valve Connections
Ball Valve Actuation
Check (Non-Return) Valves
Johnson Valves offer check (non-return) valves for a wide range of applications, we offer various types and connections. We also offer Storm (Scupper) Valves for the marine industry and Screw Down Non-Return Valves (SDNR) which is a globe valve and lift check valve combined.
Check (Non-Return) Valve Types
Check (Non-Return) Connections
Check (Non-Return) Valve Duties & Applications
Water Duty Valves
Johnson Valves offer a full range of valves and associated products particularly suited for water applications including potable water supply, wastewater, sewage and fire main duties, many of which are WRAS (Water Regulations Advisory Scheme) approved, UL listed and FM approved.
Mueller UL / FM Fire Protection Valves & Hydrants
Johnson Valves are a UK distributor for the UL/FM approved range of valves and hydrants manufactured by the Mueller Company. Their vast range of UL listed and FM approved products includes the world-renowned Super Centurion, the iconic American fire hydrant. There is also a range of FM/UL gate valves and indicator posts. These valves are used extensively in the petrochemical, automotive and pharmaceutical industries and in defence establishments. To service these industries we have access to a range of complete valves and spares held as stock items in the UK.
ANSI Valves
ANSI is the US standard within the valve industry, we can offer all ANSI ball valves, butterfly valves, check valves, gate valves, globe valves and strainers for the process, industrial, marine and offshore industries.
ANSI Valves & Strainers
Medium Capacity Safety Relief Valves
High Capacity Safety Pressure Relief Valves
Safety valves which are suitable for relieving pressure at high capacities in air, oil, process, water and steam applications.
Double/Twin Safety Relief Valves
Double safety relief valves also called twin pot safety relief valves are generally used in high capacity boiler applications.
Free flange drilling, pressure setting, testing and certification.
All safety relief valves supplied by ourselves are flanged drilled, set to your pressure requirements and issued with a certificate to the relevant standards at no extra cost.
Combined Pressure & Temperature Safety Relief Valves
Pressure and temperature relief valves protects unvented hot water systems against both excess pressure and excess temperature.
Free pressure setting, testing and certification.
All safety relief valves supplied by Johnson Valves are set to your pressure requirements and issued with a certificate to the relevant standards at no extra cost.
Open Discharge (Atmospheric) Safety Relief Valves
Open discharge (atmospheric) safety valves are generally used for the protection of air compressors and air systems, they can also be used for inert gas duties. Some have a shroud fitted which provides extra safety when relieving media with liquid, granular or dusty particles.
Free pressure setting, testing and certification.
All safety relief valves supplied by ourselves are set to your pressure requirements and issued with a certificate to the relevant standards at no extra cost.
Safety Relief Valves
We hold in stock a large range of safety relief, overflow and pressure control valves suitable for boiler, heating, steam, water, oil, process, air and gas applications. Our extensive stocks of safety relief valves are unrivalled and include standard, high and full lift valves, in brass, bronze, iron, steel and stainless steel. All safety relief valves are set to your required blow off pressure and supplied with a test and conformity certificate. We also offer an overhaul, resetting and testing service of your existing valves.
Safety Relief Valve – Types
Safety Relief Valve – Applications & Duties
Safety Relief Valve – Brands

Air Vents
Johnson valves off air vents and eliminators for protecting heating, steam and air conditioning systems. We also offer air pipe head vents for marine duty.
Wafer Butterfly Valves
We supply a large range of multi-flange wafer butterfly valves that can be sandwiched between various flange connections including PN6/10/16/25, ANSI 150, BST D/E & JIS 5/10/16.
Mono Flanged Butterfly Valves
Single flanged (mono-flanged) butterfly valves suitable for connecting between BS4504 PN6/10/16, ANSI150 & JIS 5/10K flanges.
Lugged & Tapped Butterfly Valves
Johnson Valves offer a range of lugged and tapped butterfly valves to BS4505 PN6/10/16, ANSI 150 AND JIS 5/10K with various construction materials allowing them to be used in many applications.
Double Flanged Butterfly Valves
Johnson Valves can offer double flanged butterfly valves to JIS F7480 and EN558-1 lengths with flanges to suit BS4504 PN6/10/16, ANSI 150 & JIS 5/10K.
High Performance Butterfly Valves
High-performance butterfly valves are particularly suitable for the process industry. Available in carbon steel bodies with stainless steel discs and PTFE liners.
Marine Butterfly Valves
A range of marine butterfly valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and ship side duties. They have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certificates are available on selected valves. We can also offer a range of manual, pneumatic, electric and hydraulic actuators to suit.


Industrial & HVAC Butterfly Valves
Wafer, lugged & tapped butterfly valves for use in many applications including heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses.
Gate Valves
Industrial & HVAC Gate Valves
Various construction materials allowing them to be used in many applications such as boilerhouse, steam, heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses.
Marine Gate Valves
Particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. Some have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification is available.
Water Works Gate Valves
Suitable for water applications such as potable water supply, wastewater, sewage and fire main duties, many of which are WRAS (Water Regulations Advisory Scheme) approved, UL listed and FM approved.
UL Listed FM Approved Gate Valves
Manufactured by Mueller®, these valves and indicator posts are used extensively in the petrochemical, automotive and pharmaceutical industries and in defence establishments.
Gate Valve Body Materials
Gate Valve Connections & Types
Gate Valve Applications
Globe Valves
Industrial & HVAC Globe Valves
Johnson Valves offer a range of screw lift and screw down non-return (SDNR) globe valves in various construction materials allowing them to be used in many applications such as boilerhouse, steam, heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses. We can also offer a range of manual, pneumatic, electric and hydraulic actuators to suit.
Marine Globe Valves
A range of screw lift and screw down non-return (SDNR) globe valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. They have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification is available. We can also offer a range of manual, pneumatic, electric and hydraulic actuators to suit.
Globe Valve Body Materials
Globe Valve Connections & Patterns
Globe Valve Applications
Butterfly Valves
Industrial & HVAC Butterfly Valves
Johnson Valves offer a range of wafer, lugged & tapped butterfly valves in various construction materials allowing them to be used in many applications including heating & air conditioning, water distribution & treatment, agricultural, compressed air, oils and gasses. We can also offer a range of manual, pneumatic, electric and hydraulic actuators to suit.
Marine Butterfly Valves
We offer a range of butterfly valves particularly suited for marine applications such as ballast systems, oil cargo pumping systems and shipside duties. They have type approvals by Lloyds, DNV, B.V, RINA, ABS, GL, and on request 3.1 and 3.2 certification is available. We can also offer a range of manual, pneumatic, electric and hydraulic actuators to suit.
High-Performance Butterfly Valves
For applications from vacuum to very high-pressure service, and from low to very high-temperature service. Suitable for any severe process, we offer a range of soft seat, metal seat and fire-safe seat HIGH-PERFORMANCE butterfly valves. These valves are tested according to International standards like API 598-MSS SP 61-BS 6755 and ANSI B 16.104.
Butterfly Valve – Types
Butterfly Valve – Body Materials
Butterfly Valve – Liner Materials
Butterfly Valve – Applications & Duties
Butterfly Valves c/w Actuators
Teekay Pipe Couplings & Repair Units
Sold to over 85 countries worldwide for civil, water, oil & gas, marine, building service, process, automotive, and countless other industrial projects for pipes between 21mm and 4000mm in diameter. The products combine pressure and vacuum capability with flexibility. They are resistant to corrosion, end load, shock, fire, vibration and yet come in a package requiring no pipe preparation, hot working, grooving, flanging or welding.

Pressure Gauges
We offer a wide range of Bourdon tube pressure gauges from stock, we can also offer a range of special purpose gauges including differential, diaphragm, capsule, dry seal and hygienic chemical seal. All our gauges can be supplied with calibration certificates if required. We also offer a re-calibration and testing service of your existing pressure gauges, in our workshops.
Johnson Valves Safety Relief Valves
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A range of stainless steel safety relief valves suitable for a wide range of applications up to 300 bar also available are low pressure valves in iron, steel and stainless steel with lift pressures between 5 to 200 mbar.
Wade Safety Relief Valves
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Wade air safety relief valves are available on an ex-stock basis with either atmospheric or side outlet discharge – sealed leak proof tops or lift testing gear.
Nabic Safety Relief Valves
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