Crown Rubber & Plastic Products manufactures high-performance gaskets for ash handling systems in power generation.
Our custom-compounded seals are engineered to withstand extreme temperatures, high pressure, and abrasive conditions, ensuring leak-proof performance and extended service life in both pneumatic and hydraulic applications.
ASMATH Seal (Trademarked) is a premium engine sealing solution, trusted across the industry for its durability and precision. Manufactured using only virgin raw materials and reinforced with metal outcasting for a perfect fit, our seals ensure reliable performance under demanding conditions.
Equipped with self-energized springs, ASMATH Seals are ideal for shaft engines, flywheels, crankshafts, camshafts, and other critical engine components.
If you're seeking a dependable alternative to frequent seal failures, ASMATH Seal is your go-to solution.
High Pressure Dual Mixer Seal (2FB14) are high pressure double seals that are used for top entry and side entry autoclaves & mixers. These seal are used in all kinds of mixers, reactors, driers in pharmaceuticals, paints, pulp & plastic industries. The seals are factory assembled with cartridge unit, therefore can easily be installed without disturbing the delicate mating faces. For larger shaft deflection special version with integrated floating bearing is provided.
F14 are multi spring pusher seals, these are widely used in oil and gas, petrochemical and pharma industries, these seals can be easily installed in low axial and radial space due to its compact design. pusher seals can be used in single and double arrangement,
Features
Avoids sticking and clogging
Can tolerate more pressure than a non-pusher seal
Internally mounted
Product Specifications:
Material: Metal
Speed: 15m/s
Applications: Sugar Industry, Paper Industry & Pulp Industr
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EB60C are Single and Double Cartridge Seal used for large number of applications & suits for both ANSI & DIN Standard Pumps. These can be used as API â?? 682, Type A Category 1 Seal arrangement, Seal Ring is design to withstand reversed Pressure. 2EB60C is a Double Seal with Tandem arrangement Suitable for Media with solid particles. These seals can also be used in highly viscous medium with moderate temperature. Industries Serve are Automobile, Petrochemical, and Oil & Gas industries. These seals require a less Axial & Radial Space for installation.
Salient features:
Suits API-682 Standard
Suitable for Slurry Application.
Fits in both ANSI & DIN Standard Pumps
Two Way Balanced Design
Minimum Components
Applications:
Specially used in paper and pulp Industries, petrochemicals, petroleum refinery etc.
Material:
Seal Faces: Ceramic/Sic/Carbon Vs Ceramic/RB Sic./TC
Secondary Seals: Viton/PTFE/GFT/FFKM
Metal Components: SS-316/Hast-C/Carpenter-42
MB1-GAS is a Specially Designed Non-Contacting Gas Seals for cryogenic applications, thanks to its Design of Metallic Bellow Construction which eliminates the dynamic O Ring, & Can be Safely Used in most commonly used Industrial Gaseous in Liquid Form.
Operating Parameters
Shaft Dia.: 18 to 100mm
Pressure: up to 15 Bars
Temp.: -196 �°C to Ambient
Speed: up to 10000 rpm
Material
Seal Faces: Carbon/Sic/TC
Secondary Seals: FFKM/FKM/HNBR
Metal Components: SS-316/Hast-C/Inconel-718
Metal Bellow Seals of MB1 are commonly used for moderate Temperature Oils & Hydrocarbons, MB1 provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft or misalignment due to thrust movement of the shaft. Moreover, these seals are used for high temperature application such as refinery, Petrochemical, and Oil & Gas industries. These seals do not have a dynamic o rings eliminating the fretting of Shaft or Sleeve.
Salient features:
Welded Diaphragm Bellow Design
Suitable for High Temperature Media.
Axial compensation of movement 1 mm.
Perfect for standardization purposes.
No Dynamic O Rings
Inherently Balanced Design
Applications:
Specially used in paper and pulp Industries, petrochemicals, petroleum refinery etc.
Material:
Seal Faces: Ceramic/Sic/Carbon Vs Ceramic/RB Sic./TC
Secondary Seals: Viton/PTFE/GFT/FFKM
Metal Components: SS-316/Hast-C/Carpenter-42
Bellow: AM-350/Hast-C276/Inconel-718
Grasso RC 10 Metal Bellow Seals From Seal Family MB1 are commonly used for Compressors, MB1 provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft or misalignment due to thrust movement of the shaft. Moreover, these seals are used for high temperature application such as refinery, Petrochemical, and Oil & Gas industries. These seals do not have a dynamic o rings eliminating the fretting of Shaft or Sleeve.
Salient features:
Welded Diaphragm Bellow Design
Suitable for High Temperature Media.
Axial compensation of movement 1 mm.
Perfect for standardization purposes.
No Dynamic O Rings
Inherently Balanced Design
Applications:
Specially used in paper and pulp Industries, petrochemicals, petroleum refinery etc.
Material:
Seal Faces: Ceramic/Sic/Carbon Vs Ceramic/RB Sic./TC
Secondary Seals: Viton/PTFE/GFT/FFKM
Metal Components: SS-316/Hast-C/Carpenter-42
Yellow: AM-350/Hast-C276/Inconel-718
Grasso RC 11 and RC 12 Metal Bellow Seals From Seal Family MB1 are commonly used for Compressors, MB1 provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft or misalignment due to thrust movement of the shaft. Moreover, these seals are used for high temperature application such as refinery, Petrochemical, and Oil & Gas industries. These seals do not have a dynamic o rings eliminating the fretting of Shaft or Sleeve.
Salient features:
Welded Diaphragm Bellow Design
Suitable for High Temperature Media.
Axial compensation of movement 1 mm.
Perfect for standardization purposes.
No Dynamic O Rings
Inherently Balanced Design
Applications:
Specially used in paper and pulp Industries, petrochemicals, petroleum refinery etc.
Material:
Seal Faces: Ceramic/Sic/Carbon Vs Ceramic/RB Sic./TC
Secondary Seals: Viton/PTFE/GFT/FFKM
Metal Components: SS-316/Hast-C/Carpenter-42
Bellow: AM-350/Hast-C276/Inconel-718
Bitzer Metal Bellow Seals From Seal Family MB1 are commonly used for Compressors, MB1 provides a high degree of axial flexibility to compensate for lack of concentricity of the shaft or misalignment due to thrust movement of the shaft. Moreover, these seals are used for high temperature application such as refinery, Petrochemical, and Oil & Gas industries. These seals do not have a dynamic o rings eliminating the fretting of Shaft or Sleeve.
Salient features:
Welded Diaphragm Bellow Design
Suitable for High Temperature Media.
Axial compensation of movement 1 mm.
Perfect for standardization purposes.
No Dynamic O Rings
Inherently Balanced Design
Applications:
â?¢ Specially used in paper and pulp Industries, petrochemicals, petroleum refinery etc.
Material:
Seal Faces: Ceramic/Sic/Carbon Vs Ceramic/RB Sic./TC
Secondary Seals: Viton/PTFE/GFT/FFKM
Metal Components: SS-316/Hast-C/Carpenter-42
Bellow: AM-350/Hast-C276/Inconel-71
Introducing the MB1-GAS, a specially designed non-contacting gas seal by Hydro-Serve Technologies, built to excel in cryogenic applications. With its innovative design and advanced technology, the MB1-GAS offers exceptional sealing performance even in extreme temperature conditions. Operating flawlessly in a temperature range of -140 degrees to 220 degrees Celsius, this seal is engineered to handle the demanding requirements of cryogenic environments.
The MB1-GAS is capable of withstanding pressures up to 30 bars, making it suitable for a wide range of high-pressure applications. Its robust construction and high-quality materials ensure durability and reliability even under challenging conditions. With a maximum speed capability of 42 m/s, this seal guarantees exceptional performance, meeting the demands of high-speed machinery commonly found in cryogenic processes.
Available in sizes ranging from 20mm to 100mm shaft diameter, the MB1-GAS can be tailored to fit various equipment specifications. Whether it's in the chemical, pharmaceutical, or energy industry, this gas seal provides an effective sealing solution, ensuring process integrity and minimizing the risk of gas leakage.
Experience the unmatched sealing capabilities of the MB1-GAS by Hydro-Serve Technologies, specifically engineered for cryogenic applications. Trust in its superior performance, temperature resistance, high-pressure capacity, and customizable sizes to meet your unique requirements. Ensure the efficiency and safety of your cryogenic processes with the reliable sealing solution provided by the MB1-GAS.
Introducing the MB1-GAS, a specially designed non-contacting gas seal by Hydro-Serve Technologies, built to excel in cryogenic applications. With its innovative design and advanced technology, the MB1-GAS offers exceptional sealing performance even in extreme temperature conditions. Operating flawlessly in a temperature range of -140 degrees to 220 degrees Celsius, this seal is engineered to handle the demanding requirements of cryogenic environments.
The MB1-GAS is capable of withstanding pressures up to 30 bars, making it suitable for a wide range of high-pressure applications. Its robust construction and high-quality materials ensure durability and reliability even under challenging conditions. With a maximum speed capability of 42 m/s, this seal guarantees exceptional performance, meeting the demands of high-speed machinery commonly found in cryogenic processes.
Available in sizes ranging from 20mm to 100mm shaft diameter, the MB1-GAS can be tailored to fit various equipment specifications. Whether it's in the chemical, pharmaceutical, or energy industry, this gas seal provides an effective sealing solution, ensuring process integrity and minimizing the risk of gas leakage.
Experience the unmatched sealing capabilities of the MB1-GAS by Hydro-Serve Technologies, specifically engineered for cryogenic applications. Trust in its superior performance, temperature resistance, high-pressure capacity, and customizable sizes to meet your unique requirements. Ensure the efficiency and safety of your cryogenic processes with the reliable sealing solution provided by the MB1-GAS.
Introducing the MB1-GAS, a specially designed non-contacting gas seal by Hydro-Serve Technologies, built to excel in cryogenic applications. With its innovative design and advanced technology, the MB1-GAS offers exceptional sealing performance even in extreme temperature conditions. Operating flawlessly in a temperature range of -140 degrees to 220 degrees Celsius, this seal is engineered to handle the demanding requirements of cryogenic environments.
The MB1-GAS is capable of withstanding pressures up to 30 bars, making it suitable for a wide range of high-pressure applications. Its robust construction and high-quality materials ensure durability and reliability even under challenging conditions. With a maximum speed capability of 42 m/s, this seal guarantees exceptional performance, meeting the demands of high-speed machinery commonly found in cryogenic processes.
Available in sizes ranging from 20mm to 100mm shaft diameter, the MB1-GAS can be tailored to fit various equipment specifications. Whether it's in the chemical, pharmaceutical, or energy industry, this gas seal provides an effective sealing solution, ensuring process integrity and minimizing the risk of gas leakage.
Experience the unmatched sealing capabilities of the MB1-GAS by Hydro-Serve Technologies, specifically engineered for cryogenic applications. Trust in its superior performance, temperature resistance, high-pressure capacity, and customizable sizes to meet your unique requirements. Ensure the efficiency and safety of your cryogenic processes with the reliable sealing solution provided by the MB1-GAS.
We are the manufacturer and distributer of all kinds of sealing products such as O rings, Glide rings, Grommets, Omni seal, Ring (Strips). These products widely used for Hydraulic system assemblies, Bore and piston assemblies, Oil sealing units, Pneumatics assemblies. and other all type of sealings solutions can be provided. We can be able to supply huge quantity as per your requirements world wide.
Chinese Hydraulic Screw-in Cartridge valve manufacturer AAK often receives various questions from overseas customers, some of which even come from college students conducting academic research. Today, we will once again introduce the main materials used for seals in hydraulic screw-in cartridge valves, as well as their respective characteristics:
1. Rubber Sealing Materials
1) Nitrile rubber (NBR)
- Excellent oil resistance, suitable for conventional hydraulic oil environments, with a working temperature range of -40 â?? to+120 â??.
- Mainly used in static sealing scenarios, such as O-rings and some combination seals
2) Fluororubber (FKM)
- High temperature resistance (up to 200 â??), chemical corrosion resistance, suitable for hydraulic oil containing phosphate esters or highly corrosive media.
- Commonly used in high-pressure systems or extreme temperature environments.
3) Silicone rubber (VMQ)
- Outstanding cold resistance (-70 â?? to+200 â??), but low mechanical strength, only suitable for static sealing
2. Polymer Sealing Materials
1) Polytetrafluoroethylene (PTFE)
- Extremely low friction coefficient, good self-lubricating properties, strong corrosion resistance, suitable for high-speed or chemically corrosive environments.
- Often used as a filling material in conjunction with rubber, or in combination with seals (such as Glay rings, seals).
2) Polyurethane (PU)
- High wear resistance and anti extrusion strength, suitable for high-pressure reciprocating motion seals (such as Y-shaped rings, U-shaped rings), working temperature -30 â?? to+100 â??.
3) Nylon (PA)
- Oil resistant and wear-resistant, used for non direct sealing components such as guide rings and support rings, with a working temperature of -40 â?? to+120 â??.
3. Metal Sealing Materials
Stainless steel/copper alloy
- Used for extreme high pressure (>32MPa) or high temperature (>450 â??) scenarios, achieving metal to metal sealing through precision machining.
4. Composite Sealing Materials
Clip on rubber+rubber (lace ring) or PTFE+rubber (Glay ring/Steller seal)
- Combining the elasticity of rubber with the wear resistance of PTFE/sandwich material, suitable for high-pressure dynamic sealing (such as valve spool and valve cage).
Selection Suggestions
- Normal working conditions: Priority should be given to using nitrile rubber or polyurethane.
- High temperature/corrosive environment: Fluorine rubber or PTFE composite materials are better.
- Ultra high pressure scenario: requires metal seals or combined sealing structures.
Circulating pump oil seal 919772
Dongfang Yoyik is specializing in the production and supply of spare parts of power plant steam turbine, generators, can provide from customized parts to finished factory product. The company regards "scientific management, continuous improvement, quality excellence, customer needs" as the quality of the enterprise policy, and in 2008 passed the ISO9002 quality system certification.
#DF-Circulating pump oil seal 919772-DF
gate Z41H-40I
solenoid valve AS32060a
Proportional valve for Nuclear units KHDG5V533C80NXVMU1H120
butterfly valve K125DOF4PB3
Fluorine rubber ring C8689543
Stator cooling water pump mechanical seal DFB 80-50-220
Accumulator bladder NXQ-N-40
CONTROL OIL RELIEF VALVE DBDS10G10/5
The electromagnetic valve 4WE6D62/EW230N9KX/B08
Hydraulic accumulator bladder & Seal kit NXQ-AB-80/31.F
Gas turbine connectors 420DA002B1401
relief valve MK50HP-2
sealing ring HB4-56J8-38
globe valve HY-SHV25.01Z
Electric stop valve J961Y-25V 12Cr1MoV
bladder kits 28L �?290mm*860mm
Electromagnetic valve coil CNAC-02323-110V
Check valve H61H-250 SA-105
solenoid valve AM2206A-220VDC-V170N 30W
EH oil cooling recirculation pump 2PB26DG28PI-V-VS40
Sewage oil pump 2CY-12/0.67
Accumulator bladder and seal NxQB-10/20-F-E
Intermediate oil engine seal kit DF.YDJ.MFTJ.ZT.135.HNKY
MOOG 730-4229B
Main inlet valve solenoid valve R900929121
relief valve 1 1/2"LOF-98H
SOLENOID VALVE 8210G089 220VAC
Main engine oil cooler gasket NT250H B-10 216
motorize valve Sr03GB32046A4
Sealing oil pump of steam turbine generator ACG045N5IVBP
sealing ring TO-136/MF-177
gate Z561Y-1500LB
The electromagnetic valve D3DW20BVZP40XB5
High pressure ball valve W-BKH-25SX4-20-11251
Manual pressure regulating valve EXCELON B72G-2GK-QD3-RMN
Oring A156.33.01.10-13X1.9
Circulating pump oil seal 919772
O type Seal ring HN 7445-38.7x3.55
Sold by YOYIK. Deyang YOYIK is a professional production, development, sale of power plant dedicated spare parts and accessories processing company. Through more than 22 years of efforts, the majority of customers have been fully recognized.
#DF-O type Seal ring HN 7445-38.7x3.55-DF
Shutdown solenoid valve HH-TD-110D
Seals WJ01.37.099
The electromagnetic valve 4WE10D-L3X/CG220NZ4
safety valve 4-5A26
Buffer pad L110
Skeleton oil seal VA110
Stop valve J61Y-P55140V
cartridge valve TJ032-015-20HQ
Valve core stem assembly C-33698
Solenoid valve 4WE6Y-L6X/EG220NZ4-V/B08
gearbox reducer M01225.0BGCC1D1.5A-100-5-1.5
solenoid valve SVF2170
ACCUMULATOR NXQ-A-16-20F/Y
One-way valve 120.4/HY-FXF6.75N
Fluororubber O-ring �¦29*3mm
The electromagnetic valve G-110VDC-DN10-D
Radial seal 199YR41-0
regulating valve 2FRM6K2-1X/16QRV
solenoid valve 4WE6D6X/EG24N9K4
servo valve 072-1303-52
EH main oil pump HQ37.01Z
throttle valve NFDC-LAN
Oil supply pump HSNH80-27
Gear Pump PG0-320-S-1-P-B-R
sealing ring HB4-56JB-61
diaphragm KS01252MAW16BQ13UNOERH
oil pump HSND210-54
mechanical seal 2S-185-32
servo valve MooG-J761-003A
Overflow valve DBW10B-1-L5X/20-6EW220NZ5L
solenoid valve 4WE10Y-L3X/CG220NZ4
sealing ring OR-104-V
Poppet Valve NXQ-PV-A25/40
DEH system servo valve 563JOGA4VPL
Accumulator bladder NXQ-AB-63/31.5-L-E
Needle valve SS-6NBSW8T-G
O type Seal ring HN 7445-38.7x3.55
ZYR-DFYL-2025-3-12
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