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Products

DSH Seals Company has amassed decades of experience in designing and manufacturing of various kinds of seals. Different types of seals include fluid power seals, dust seals, hydraulic piston seals, pneumatic seals, static seals, guide and back-up rings, piston seals, rod seals, rotary seals, axial shaft seals, radial shaft seals, wear sleeves, V seals, U-cup seals, Y seals, O-rings, and other large machined seals are all available in DSH Seals. The materials adopted and the manufacturing procedures are all in line with international environmental expectations. DSH Seals is capable of machining and molding seals out of a wide variety of materials from elastomers, polyurethanes, engineered plastics, to advanced engineered plastics. Usually, to meet demanding chemical sealing applications, the seals are made of a range of high-strength materials to withstand extreme temperatures and irritating chemicals. They are suitable for a wide range of operating conditions and applications, such as for pumps, valves, mechanical seals, fittings, and reactors. DSH Seals also provides an assortment of tailored design configurations to accommodate a variety of hardware configurations and applications. So far, DSH Seals has provided seals solutions for many giant companies such as HUAWEI, PetroChina, PEMEX, Cnooc, BYD automobiles, etc. As one of professional PTFE seals manufacturer, we are reputable for our supreme quality seals which feature good mechanical strength, rigidity, high precision, strong wear resistance, and high fatigue strength of seals. In any case, our seals are extremely durable, excellent in chemical resistance and temperature resistance, and have the best sealing performance in a variety of demanding environments. They can withstand a variety of corrosive media to seal various parts well. Our seals are also noted for their particular functions. They can not only be used for the general sealing of parts but also can be used for sealing parts with the self-lubricating function.

DSI-Bronze Filled PTFE Hydraulic Rod Seal Glyd Ring

DSI are double acting composite rod seals composed of a filled PTFE friction ring and pre-tightened rubber O-ring. They can be assembled in grooves according to standard ISO 7425/2. For reciprocating hydraulic systems. Excellent performance in high, medium, low pressure and high load, high frequency conditions. Especially suitable for long strokes. Suitable for larger […]

DSJ-Bronze Filled PTFE Hydraulic Rod Seal Step Ring

Step seals are generally composed of a rubber O-ring and a PTFE ring. The O-ring is a force-applying element that provides sufficient sealing force and compensates for PTFE rings. Suitable for hydraulic cylinder piston rod seal. Seal is a single-acting seal, divided into piston seals and piston rods. The seal has advantages of low […]

DSZ-Rod Scraper PTFE Hydraulic Wiper Ring

DSZ consists of a wear ring with a sealing edge and a dust-proof edge and a lip wiper consisting of an O-ring as a pretensioning element. Suitable for environments with severe or severe dust and high-frequency reciprocating motion. Suitable for fast, high pressure, and necessary pressure to maintain working conditions. Recommended for double-acting pistons as piston accumulators, […]

DSZL - Hydraulic PTFE Dust Wiper Seals

DSL, the function of the wiper ring is to prevent dust, dirt, sand and metal chips from entering the axially moving rod and piston. As a result, the occurrence of scratches is largely prevented, the guiding elements are protected and the service life of the seals is extended. DSH Seals’ DSZL wiper seal is a […]

DVA - Rotary rubber seal V ring

The function of a V-ring is to exclude dirt, water, or other aggressive media from entering bearing housings while also retaining grease. The V-ring stretches over the shaft and assumes a tight interference fit. V-ring shaft seals utilize centrifugal slinger action to provide effective protection against dry and wet contamination. In combination with a metal-cased […]

DVR - Piston and Rod Hydraulic Seals Vee Packing

Vee packing (or V- packing) is a multi-lip seal consisting of a set of endless rings that are widely used for sealing rods and pistons. They are used in low pressure or high pressure applications as well as single or double acting cylinders. V-packing is a highly adaptable sealing product. It is commonly used in […]

DVS - Rotary Rubber Seal V Ring

he function of a V-ring is to exclude dirt, water, or other aggressive media from entering bearing housings while also retaining grease. The V-ring stretches over the shaft and assumes a tight interference fit. V-ring shaft seals utilize centrifugal slinger action to provide effective protection against dry and wet contamination. In combination with an metal-cased […]

H type - PTFE H Type Oil Seals Spring Energized Seal

When considering a rotary service seal and additional gland length is available, an O-Ring Heel Seal provides a level of anti-rotation and redundant sealing. The addition of an O-Ring on the heel of a radial seal creates a high friction interface at the bore to counteract rotary forces. With proper hardware design, a high level […]

HBTS - High Speed Hydraulic Rod Seal Buffer Ring

HBTS profile O-Ring Energized Low Friction PTFE Rod Seal. This is used to absorb shock and fluctuating pressures under high loads, to isolate high temperature fluids, and to improve the durability of the packing. It has a small frictional resistance and is suitable for high speed, short stroke operation. The slit on the tapered […]

HBY - Rod Hydraulic Buffer Seal

The HBY hydraulic buffer seal, mounted on the pressure side of the piston rod seal, is designed to improve the durability of the piston rod seal by venting the pressure back to the system side. The main parts of the buffer seal are the static lip, dynamic lip, radial slots, and radial channels. The static […]

High Pressure Hydraulic Wear/Guide Ring

DST is the wear ring or guidering of DSH Seals. The function of a hydraulic wear ring is to guide the shaft and hole sealing of a hydraulic cylinder, absorbing transverse forces. At the same time, it prevents metal-to-metal contact, optimizing the performance of the sealing system. DST has a rectangular cross-section with rounded or […]

I type - PTFE Rotary Shaft Oil Seals

For this configuration, anti-rotation is achieved by using an O-Ring to create a frictional interface between the seal and bore. Although a metal cased lip seal has higher pressure and speed rating, an O-Ring OD lip seal is a good choice economically when application parameters permit. Lower use applications such as food processing equipment, pharmaceutical […]

The seals, notably hydraulic seals supplied by DSH Seals are available in various pressure capacity, speed capacity, and operating temperature range. The hydraulic seals in DSH Seals are the best well-known, including rod seals, piston seals, buffer seals, guide rings, O-rings, and Oil seals. DSH Seals will emphasize improving the hydraulic piston seals. Frequently considered as a simple component, the hydraulic piston seal has a critical impact on the operation of the hydraulic system. It makes all the difference to the machines or devices during operations. DSH Seals features flexibility and versatility in manufacturing distinct hydraulic piston seals models and parameters. Of course, solutions, for example, operational evaluation, analyzing, and coverage of all hydraulic piston seals are offered in DSH Seals.

DSH Seals is reputable as a professional PTFE seals manufacturer in China. Currently, DSH Seals covers over 1,000 sorts of seals for more than 2,000 applications. DSH Seals adopts various advanced facilities and equipment to process the seals, including PTFE sintering machine, vulcanizing machine, edge trimming, internal mixer, mixing mill, and so on. No matter customers' industry is machinery manufacturing, refrigeration, sewage treatment, paper making, chemical engineering, oil refining, pharmacy, painting, and printing, or electricity generation industry, DSH Seals has the confidence to come up with the best suitable and appropriate seal solution for them. DSH Seals provides expert advice and gives support throughout the life cycle of your sealing system.