HIGH PRESSURE SEALS

 

High-pressure engineered seals are something DMR Seals specialises in.

We regularly provide Original Equipment Manufacturers all around the world with reliable high-pressure solutions for their fluid sealing applications working up to 2000 Bar (29,000 Psi) and sometimes higher.

DMR Seals has a wide range of high-pressure sealing profiles for piston, rod, rotary and static face seal use where materials can also be modified for use in high or low temperatures and aggressive media and chemicals.

Talk to one of our team members for help with your high-pressure sealing application.

IMPORTANT - Please Note: The data shown below are maximum values and operating ranges and cannot be used at the same time.

For example: The maximum operating speed will depend on material type chosen, working pressure, application temperature and clearance gap values.  The temperature range shown is also dependent on choice of material and media to be sealed.

Product Range

ProfileNameOperating RangeSummary
KB02
KB02Pressure Max: 700 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The KB02 profile is an asymmetric single acting / uni-directional hydraulic rod u-cup seal complete with a pressure activated back-up ring to enable use up to 700 bar as standard and higher if required with the correct choice of back-up ring. The seal has a shortened dynamic lip which provides …Read More
KB04
KB04Pressure Max: 700 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The KB04 profile is a modification of both the KB02 and KB03 profiles. The inclusion of the pressure activated back-up ring offers extrusion resistance and ensures safe use at higher pressures. The use of the KB04 profile also allows the design engineer to use larger radial clearances where metal to …Read More
KB09B
KB09BPressure Max: 1500 bar
Temperature
Min: -50 °C Max: 110 °C
Speed
Max: 0.4 m/s
Designed for use on one-piece solid pistons the KB09B is a high-pressure modification of our standard KB09 profile. Like its sister product It is a 4-piece double acting/bi-directional piston seal comprising of a central polyurethane sealing element, elastomeric energising ring and precision machined thermoplastic guide rings which are split to …Read More
KB112E
KB112EPressure Max: 600 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The KB112E chevron packing set has been modified with radiused intermediate chevron rings to improve high-pressure sealing. The design of this set provides automatic pre-load which means the engineer doesn’t have to make manual adjustments to the seal gland or crush the seal which is common when using older rubber …Read More
KB20
KB20Pressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
DMR KB20 is a compact double acting piston seal designed for both low and high-pressure heavy-duty applications. The seal comprises a T-shaped sealing element with pressure activated non-extrusion rings. The seal is manufactured with an interference fit on the inside diameter to help prevent seal roll and spiral failure. The …Read More
KB20-ILS
KB20-ILSPressure Max: 1000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
DMR Seals KB20-ILS profile is a double acting (Bi-Directional) seal commonly referred to as the Interlocking T-Seal and was primarily designed for wellhead applications and downhole tools used within the Oil and Gas industry. The seal is comprised of an elastomeric sealing element complete with unique locked-in thermoplastic anti-extrusion rings …Read More
KB20A
KB20APressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
The KB20A is a single acting / uni-directional seal used for both static and dynamic applications and is designed to be installed into common international sized O-Ring grooves. Profile KB20A excels in both low and high-pressure applications while also having the ability to operate at both high and low temperatures …Read More
KB20A-EFS
KB20A-EFSPressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: - m/s
DMR KB20-EFS is a compact single acting external pressure face seal designed for both low and high-pressure static applications. The seal comprises a P-shaped sealing element with pressure activated anti-extrusion ring / back-up ring and is manufactured to fit tight against the inside diameter of the seal groove. The seal …Read More
KB20A-IFS
KB20A-IFSPressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: - m/s
DMR KB20-IFS is a compact single acting internal pressure face seal designed for both low and high-pressure static applications. The seal comprises a P-shaped sealing element with pressure activated anti-extrusion ring / back-up ring and is manufactured to fit tight against the outside diameter of the seal groove. The seal …Read More
KB23B
KB23BPressure Max: 1500 bar
Temperature
Min: -50 °C Max: 110 °C
Speed
Max: 0.7 m/s
Designed for use on one-piece solid pistons the KB23B is a high-pressure modification of our standard KB23 profile. Like its sister product It is a 4-piece double acting/bi-directional piston seal comprising of a central polyurethane sealing element, elastomeric energising ring and precision machined thermoplastic back-up rings which are split to …Read More
RB03
RB03Pressure Max: 400 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.3 m/s
High pressure double acting rotary seal complete with integral anti extrusion rings. Suitable for slow rotational movement and high pressures and/or large extrusion gaps. For exact limitations please consult our technical department.Read More
RB13
RB13Pressure Max: 600 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: - m/s
The simple O-Ring is one of the oldest and most trusted static sealing methods available. DMR Seals can manufacture O-Rings ‘flash-free’ on the outside and inside diameter contact points helping to provide leak-free performance in radial sealing applications. We manufacture Rubber O-Rings, Polyurethane O-Rings, PTFE O-Rings and O-Rings for rapid …Read More
RB14
RB14Pressure Max: 160 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: - m/s
Our RB14 is a simple square section or rectangular profile used for economical sealing of SAE flanges for both internal and external pressure (confirmation of the pressure direction is required). It provides good low-pressure sealing efficiency up to 100 Bar which can be increased through the correct choice of back-up …Read More
RB29
RB29Pressure Max: 5 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 25 m/s
RB29 is the double lipped modification of our standard RB21 seal and is designed to operate in lubricated conditions at higher pressures and speeds. The double lip configuration provides a more positive seal and aids initial lubrication retention. Typically used in pumps and motors and other high-pressure hydraulic equipment.Read More
RB31
RB31Pressure Max: 5 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 25 m/s
RB31 is our double acting solid PTFE Rotary lipseal designed to seal pressure from both directions. This rotary Lipseal is designed to operate in extreme environments where high temperatures, high pressures, aggressive media and a lack of lubrication may exist. It can operate where more standard elastomer seals cannot and …Read More
SB02
SB02Pressure Max: 700 bar
Temperature Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The SB02 profile is an asymmetric single acting / uni-directional hydraulic rod u-cup seal complete with a pressure activated back-up ring to enable use up to 700 bar as standard and higher if required with the correct choice of back-up ring. The seal has a shortened dynamic lip which provides …Read More
SB02C
SB02CPressure Max: 700 bar
Temperature Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
Our SB02C seal profile is normally used as a primary seal in tandem sealing configurations. It’s aim is to act as a buffer to any sudden pressure spikes within the system and protect the secondary seal from any damage this pressure spike could cause. It is not designed to provide …Read More
SB04
SB04Pressure Max: 700 bar
Temperature Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The SB04 profile is a modification of both our SB02 and SB03 profiles. The inclusion of the pressure activated back-up ring offers extrusion resistance and ensures safe use at higher pressures with the correct choice of back-up ring material. The use of the SB04 profile can also allow the design …Read More
SB112E
SB112EPressure Max: 600 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
The SB112E chevron packing set has been modified with radiused intermediate chevron rings to improve high-pressure sealing. The design of this set provides automatic pre-load which means the engineer doesn’t have to make manual adjustments to the seal gland or crush the seal which is common when using older rubber …Read More
SB20
SB20Pressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
Originally designed for use as a retrofit for standard O-Rings and Back-Ups, the SB20 is an excellent all-round performer and the seal of choice where a compact double acting/bi-directional seal is required for either static or slow-moving applications. Profile SB20 excels in both low and high-pressure applications while also having …Read More
SB20-ILS
SB20-ILSPressure Max: 1000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
DMR Seals SB20-ILS profile is a double acting (Bi-Directional) seal commonly referred to as the Interlocking T-Seal and was primarily designed for wellhead applications and downhole tools used within the Oil and Gas industry. The seal is comprised of an elastomeric sealing element complete with unique locked-in thermoplastic anti-extrusion rings …Read More
SB20A
SB20APressure Max: 2000 bar
Temperature
Min: -50 °C Max: 210 °C
Speed
Max: 0.5 m/s
The SB20A is a single acting / uni-directional seal used for both static and dynamic applications and is designed to be installed into common international sized O-Ring grooves. Profile SB20A excels in both low and high-pressure applications while also having the ability to operate at both high and low temperatures …Read More
SB24
SB24Pressure Max: 700 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
Commonly used in heavy duty agricultural, mobile plant and mining hydraulic applications, the SB24 is the first-choice rod seal where harsh operating conditions exist or where extreme pressure spikes exist in hydraulic systems. The SB24 is a hybrid seal which takes the designs of various seals to provide a complete …Read More
SB24A
SB24APressure Max: 700 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: 0.7 m/s
Commonly used in the mining industry in vertical hydraulic cylinder applications, the SB24A is the first-choice rod seal where harsh operating conditions and/or where extreme pressure spikes exist in hydraulic systems. The SB24A is a hybrid seal which takes the designs of various seals to provide a complete all-round performer …Read More
SS01
SS01Pressure Max: 400 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: - m/s
DMR Seals SS01 profile is a static O-Ring and Back-up Ring replacement seal. It is used where the installation of 2 back-up rings and an O-Ring are problematic and time consuming. The tapered sealing points allow easier installation into the mating hardware and the dual contact points offer a degree …Read More
STB08
STB08Pressure Max: 1000 bar
Temperature
Min: -200 °C Max: 260 °C
Speed
Max: 0 m/s
The STB08 profile is a simple endless / solid back-up ring design, but it is a precision machined component that is used to protect O-Rings and other static and dynamic seals where system pressures are greater than the capabilities of the seal alone or where high temperatures and excessive clearance …Read More
STB09
STB09Pressure Max: 1000 bar
Temperature Min: -200°C Max: 260°C
Speed Max: --
The STB09 profile is an endless / solid back-up ring design that is precision machined and used to protect O-Rings and other dynamic seals where system pressures are greater than the capabilities of the seal alone or where high temperatures and excessive clearance / extrusion gaps are present. The STB09 …Read More
STB14
STB14Pressure Max: 2000 bar
Temperature Min: -200 °C Max: 260 °C
Speed Max: 0 m/s
STB14 profile is a 2-part pressure activated triangular back-up ring that has increased thickness for extreme high-pressure applications. The profile is designed to be used in conjunction with single acting / uni-directional piston seals which require protection from excessive clearance / extrusion gaps or applications working in high pressure and …Read More
STB15
STB15Pressure Max: 2000 bar
Temperature Min: -200 °C Max: 260 °C
Speed Max: 0 m/s
STB15 profile is a 2-part pressure activated triangular back-up ring that has increased thickness for extreme high-pressure applications. The profile is designed to be used in conjunction with single acting / uni-directional rod seals which require protection from excessive clearance / extrusion gaps or applications working in high pressure and …Read More
XB58
XB58Pressure Max: 400 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: - m/s
Profile XB58 is an internal face seal designed to work on SAE flanges and provides high compressive sealing efficiency over the contact faces. It is commonly supplied in one of our high-performance polyurethane materials but can be manufactured in rubber materials for increased chemical and temperature resistance where required. We …Read More
XB59
XB59Pressure Max: 400 bar
Temperature
Min: -55 °C Max: 210 °C
Speed
Max: - m/s
Profile XB58 is an external face seal designed to work on SAE flanges and provides high compressive sealing efficiency over the contact faces. It is commonly supplied in one of our high-performance polyurethane materials but can be manufactured in rubber materials for increased chemical and temperature resistance where required. We …Read More