Hi-Tech Seals, Inc. Datasheets for Hydraulic Seals and Pneumatic Seals

Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, and flange packings.
Hydraulic Seals and Pneumatic Seals: Learn more

Product Name Notes
Compression Seal A fabric reinforced 70 durometer nitrile seal, that is compressed axially and seals where the casing hanger and tubing meets. A steel plate holds the compression seal in place and...
Vee Packing -- VBB Change the description to: "Our Blue/Black Vee packing sets are constructed of Hytrel® (blue) and Nylon (black) Vee's. The material properties make it excellent for operation in fire resistant fluids.
Buffer Ring -- BUF R Style Buffer Seal
Buffer Ring -- BUF RB Style Buffer Seal
Buffer Ring -- BUF RM Style Buffer Seal
Buffer Ring -- BUF RS Style Buffer Seal
Buffer Ring -- Caterpillar One Piece Style Buffer Seal
Buffer Ring -- Caterpillar Two Piece Style Buffer Seal
Buffer Seal -- MRB MR PR – MR Style w/ Pressure Relief Port
Buffer Seal -- MRB MR Style
Buffer Seal -- MRB S – Heavy Duty Metric Rod Buffer Seal
Hi-Tech Seals can supply both piston and rod buffer seals, however, the majority of our stock consists of rod seals. Buffer seals are usually used in combination with a U-cup...
Large Bore Piston Ring
Large Bore Piston Ring -- Inner BOP Seal
Large Bore Piston Ring -- Outer BOP Seal
Large Bore Piston Ring -- Rectangular Door Seal
Hi-Tech Seals sells the sealing components of a blowout preventer. With the help of the blowout preventer the well can be safely sealed off when needed. Safety is a priority...
Homogenous U-Cup Seals -- HU
Homogenous U-Cup Seals -- HUN
Homogenous U-Cup Seals -- HUV
Homogenous U-Cups -- MHU
Homogenous U-Cups -- MUV
Homogenous U-cup (block vees) are non-loaded, single material U-cup. The Homo U-cup (HU) is popular in low pressure applications where a low friction seal would be beneficial. The seal is...
AQ Piston Rings -- AQ
Cast Iron Piston Rings -- CI
CAT Piston Rings -- CAT
CrownSeal® Piston Seals -- CS 100
CrownSeal® Piston Seals -- CS 200
CrownSeal® Piston Seals -- CS 300
CrownSeal® Piston Seals -- CS 400
Piston Cups -- PC
Piston Cups -- PCE
Piston Cups -- PCH
Piston Cups -- PCT
Piston Cups -- PCU
Rectangular Piston Rings -- RPS
Square Piston Rings -- SPS
Step Cut Piston Rings -- SCP
Piston cups are molded packing that have a single sidewall, complete with a sealing lip. The sealing is done by the outer lip, which is beveled and holds pressure unidirectionally.
Piston Rings -- M2P Piston rings are excellent for sealing for sealing in hydraulic and pneumatic cylinder applications. The piston rings provide excellent low friction with strong chemical resistance. By changing the material of...
Fluid Seal -- DAF LW
Fluid Seal -- DAF W
Fluid Seal -- SAF
Single acting fluid seals (SAFS) are commonly used in stage cylinders for truck box hoists. SAFS are often used with anti-extrusion rings either on ID or OD depending on rod...
SpectraSeals® -- SSM SpectraSeals® are engineered plastic seals incorporating a metallic spring, which loads the seal lips against the mating hardware, creating a seal. The spring also allows the seal to follow minor...
Capped T-Seals -- CTS
Piston T-Seals -- TPO
Rod T-Seals -- TRO
The T-seal comes in both piston (TPO) and rod (TRO) styles, and can be installed in standard O-ring grooves. The T-seal is a double acting seal. The Back-up rings and...
Urthane U-Cups -- MPI
Urthane U-Cups -- MRO
Urthane U-Cups -- MSY
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. The non-symmetric styles (MPI and...
Piston Urethane U-Cup Seals -- PI DL
Piston Urethane U-Cup Seals -- PI STD
Rod Urethane U-Cup Seals -- RO DL
Rod Urethane U-Cup Seals -- RO STD
Symmetrical Urethane U-Cup Seals -- SY STD
The urethane U-cup design provides an excellent heavy-duty seal for either piston or rod applications. Urethane U-cups work well in both static and dynamic applications. Symmetrical, rod and piston styles...
Z-Seals -- Z The Z-Seal is a composite type lip seal. Double lip design provides extended seal life and greater resistance to compression.
Loaded U-Cup Seals -- CBX
Loaded U-Cup Seals -- HSN
Loaded U-Cup Seals -- HTL
Loaded U-Cup Seals -- LUC
Loaded U-Cup Seals -- VUC
U-cups are lip seals and are primarily intended for dynamic applications. Fluid or air pressure forces the sealing lips into contact with the surface to be sealed against. Polyseals are...
Vee Packing -- VP
Vee Packing -- VPT
Vee Packing -- VPV
Vee packing is a V-shaped seal commonly used in adjustable gland applications. Vee packing is usually used as a stacked set composed of center components, a male adapter and a...
Vee Packing -- VPM Vee packing is typically used in adjustable gland applications such as telescoping truck hoist, pumps and valves. Vee packing sets are composed of a top and bottom component with a...