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SAN YONGSEAL

INFLATABLE SEALING RING

PRODUCTBROCHURE

SOURCE FACTORY/TOP-QUALITY SEALING

河北三永新材料科技有限公司Hebei Sanyong New Materials Technology Co., LTd.

Company Profile >>>

Hebei Sanyong New Materials Technology Co.,LTDocated in Wencheng Development Zone,Jing County,HengshuiCity,HebeiProvince,ithasamodernproductionbase coveringanareaofl2o square meters.With25yearsof industryexperience inthesealingparts field,ithas developed intoatrusted sealing parts production and customization service provider for global customers.

The company focuseson the core business of sealing parts.Its products are sold farand wide in the global market andare widelyused inkey industrial fieldssuchasvalves,metallrgy,petrochemicals,and mechanical parts.Themain products includevalvesealingparts,specialsealingparts formetalurgy,corosion-resistantsealingpartsforpetrochemicals, mechanical partssealingparts,as wellasaseriesofproductssuchas CNC numericalcontrolcutingplates,inflatable sealing rings,and fabric-reinforced diaphragms.

Thecompany strictlyadheres to international standards and has successfully passed ISO9ool quality management systemcertification,CEcertiication,OHSertificationndFAcertiicaion,stablsingafull-processaaded quality control system.Relyingon itsown production factory,allprocesses fromraw material selectionto finished product inspection are carried out Strictstandards ensure stable and reliable product quality,meeting international environmental protection and safety requirements.We have the ability to respond quickly to in-stock situations. It can efficiently meet the urgent supply demands of customers.At the same time,we are deeply engaged in customized services.Our professional team will precisely optimize solutions basedon the specific working conditions of

customers,providing highly adaptable and high-performance sealing solutions for various complex mechanical scenarios. This helps global customers enhance the operational efficiency and safety stability of their equipment and smoothly navigate the international market.

1.Westrive for excellence in quality inspection throughout the entire process 2. Strict quality control leadstoexcellence 3. Detail control and qualitytraceability 4.Internationalcertification ensuresimpeccablequality 5. Strive for excellence; everypieceisamasterpiece

1. Technology-driven and innovation-led
2.Continuouslyresearchand develop,iterateandupgrade
3.Craftsmanshipandinnovation empowerthefuture
4.Break through technical barriersandleadthe industrybenchmark
5.Customized innovation tomeetdiverseneeds

1.Honesty is the foundation, and we fulfill our promises andkeepourword 2.Treateachothersincerely andachievewin-win development 3.Remainsteadfastinour originalaspirationandestablish our business with integrity 4.Keeppromisesand liveup totrust 5. Honest operation builds brandreputation

Corporate philosophy >>>

Core values

Honesty as the foundationInnovation as the soul Quality as the foundation Win-win is the way.

Corporate mission

Empower industrial upgrading with professional sealing technologyand provide safe and reliable sealing solutions for global customers.

Business Vision

To become an internationally leading expert in customizingsealsand createabenchmarkbrand ofhigh qualityandhigh reliabilityin theindustry

QUALIFICATIONCERTIFICATE

INFLATABLESEALING RING

Inflatable sealing
Flexible adhesion
Adjust to irregular gaps
Easy inflation and deflation with quick
disassembly and assembly

河北三永新材料科技有限公司Hebei Sanyong New Materials Technology Co., LTd.

INFLATABLESEALINGRING

Name	Inf latable sealing ring
Brand	Sanyong G三永科技
Specification	Supports full-scenario customization and is suitable for complex working conditions such as high temperature,high pressure and corrosion
enforce standards	GB/T 3672.1-2025
Material	(VMQ)、(NR)、(EPDM)、(NBR)、(FKM)
Physical properties	Material	Characteristics Average oil resistance	Temperature (℃)	Shorea
	(VMQ)	High-temperature resistant Good softness Ozone-resistant Elasticity Wearresistance	-60~300	50~80
	(NR)	Excellenttensilestrength Ithaspoorheatresistance Anti-aging	-55~70 (Lost trm） /	60~80
	(EPDM)	Resistant to acidand alkali corrosion Weatherresistance Excellent ozone resistance	-50~150	60~80
	(NBR)	Ithasgoodcorrosionresistance andoilresistance Excellent elasticity It has good corrosion and oil	-40~120	60~80
	(FKM)	resistanceHigh-temperature resistant Anti-aging	-20~260	60~80
Main structure type	Circular hollow structure	D-type structure Universaltype,compatibleWithanti-extrusionribs,itistheLargecontactsurfaceseal,	Square structure	Irregular structure Customization ondemand
Main structure type	withconventional gaps,and preferredchoice forhigh- availablefor"single- chamber/double-chamber\|rib/doublerib"optionsare inflation"	pressure scenarios."Single available.	suitableforirregular installation surfaces, availablein "solid edge/ hollowedge"	(suchasYshapd,Ued, irregular cross-section), "Customizationisavailable uponproviding thedrawings."
Inflation interface	Direct insertion type,threaded type,quick insertion type,rubber hose
Air nozzle style	American-stylevalve stems(Schradervalve)、Frenchvalve stem(Prestavalve)、Flexible hose fiting(AC系列） Solidhandleendjoint（AC14款）、Integratedtwistyairfilinganddischargingnozze、Multi-functionaluniversal air nozzle
Air nozzle step	No steps,arc steps,square steps,double-layer steps, conical steps
Working principle	Thesealingringismadetocloselyadheretothesealingsurfacethroughinflationandexpansion,forminganelastic seal.Dynamic/staticsealingisachievedbyrelyingon"self-tighteningbyairpressure+elasticrebound".
Surface treatment	Smooth surface,anti-sliptexture,wear-resistantPTFEcoating(marked "anti-wear/anti-stickingtreatmentcanbeadded as required").
Performance customization	Upgradedtarserestacesiemeacynt-icoi otherspecial properties.
Features	Adaptive zero-leakagebidirectional sealing,flexible contact protection,wide temperaturerange/mediumresistance compatibilityquickstartandstopealing,asyinstallation,wear-resistantandftigue-resistant,lowmaintenancecost, shock absorption and vibration reduction, customized adaptation
Application field	Mechanicalmafacturingutomotiveinustrylectronicandlectricalappliancesce, petrochemicals,medical devices,etc.

OPERATIONSPECIFICATIONTABLE

Standard category	Detailedstandard content	Key Requirements / Prohibited Actions Reminders
Prepare before inflating	1.Conduct a comprehensive inspection of the appearance of the sealing ring to ensure there are no defects such as damage,cracking,air leakage,scratches,etc.If any problems are found,the product must not beused. embedded in the sealing groove without any distortion,compression, offset,or folding,and is perfectly and smoothly in contact with the sealing surface. 4.Equip with a dedicated adapter for inflation and pressure testing equipment.Preferably choose a device with an accurate pressure gauge. The pressure gauge accuracy must not be lower than 0.O1 MPa.Avoid sudden pressure increases or decreases.	If the installation is not properly done,the interface is clogged,or the equipment does not meet the standards, the inflation operation must not be initiated.
Prepare before inflating	1.Pre-inflation:Afterconnectingtheequipment,slowly inflate to30% fthtarep bulgesordeviations; 2Stepis for3-5secondsafter each step,and observe the pressureand sealing status; 3.Pressure holding test:After reaching the target pressure,close the valveandcutofftheairsupply.Thenormal pressureholdingtimeis≥ 30seconds.If the pressure doesnot drop,itisconsidered qualified.	pressure drops, the leak must be checked and refilled.
Operating operation	Pressure re rete e 2. Afterthegasreleaseiscomplete,ceanthsurface debrisandstoreitdmagetothesealingring. properly.	Do not release the air rapidly to prevent deformation and
condition rating MPa, recommended usage ≤0.12 MPa; Pressure standard	1.Open working condition (not installed):Maximum pressure 0.15 2. Large installation gap (≥5mm): Rated pressure 0.08- 0.10 MPa; 3.Small installation gap (	Do not use beyond the pressure limit.Avoid deformation or damage to the sealing ring.
	Special conditions require custom-made special models in advance. 2.If there is bulging,air leakage or abnormal deformation during inflation,immediately stop inflatingandrelieve pressure for inspection. Do not continue to increase pressure. Important Notes 3. Regular inspections are required for long-term use. Replace the seal ringin time if it becomes aged or loses elasticity. 4.Do not scratch the surface of the sealing ring with sharp objects to avoid causing air leakage points. 5.When the temperature is less than OC or more than 6oC,reduce the usage pressure.	Inappropriate operation may lead to the failure of the seal and damage to the product.

DIMENSIONALMEASUREMENT

Inner diameter and outer diameter measurement

Measurement of crosssectional wall thickness

Inflatable seal \mathbf { \nabla } * \mathbf { \mu } ring

Inflatable seal \mathbf { \nabla } * \mathbf { \mu } frame

Wall thickness Step height/d H Inner length/inner width Airnozzle data: Foreign Minister/Foreign Governor ID/OD/Length/ Thread information

Inflatable seal * * strip

The distance between the air nozzle and the top of the sealing strip

EXPANSIONDIRECTION

Radial outward Radial internal Axial expansion Inflatal

Description Of Pneumatic Nozzle Pneumatic Interface

1.304 stainless steel metal threaded type

2.304 stainless steel quick-plug type

3.Integrated rubber hose

Common specifications: M5,M6,M8,M10,G1/8,G1/4..

Common specifications: 6mm,8mm,10mm,12mm

Common specifications: 6mm,8mm

4.Rubberhose ^ + metal airnozzle

5.Others and non-standard customization

6.Universal valve core for beautiful mouth

American tires,British tires,custom quick-releaseair valves

Air Nozzle Style 小典業(yè)小 No platform Circular Direct Double Cone stage platform platform stations

THEMAIN CLASSIFICATION OF CROSS-SECTIONS

It has a large expansion stroke and good sealing performance,makingit suitable for application scenarios that require a large expansion volume and sealing performance

This product is a modified version of the common concave type,suitable for situations with an extremely high expansion ratio.It is ideal for applications with large sealing gaps.Due to its tendency towards a high ejectionratio,its pressure resistanceisslightly inferior and it is not suitable for high-pressure sealing conditions.

The third category

This type of product is mainlyused for radial expansion sealingand canbe used asafixture. When expanding,the contact surface is wide and the sealing effect is good. It has excellent pressure resistance performance when the sealing gap is small and is widelyused in various sealing situations.

he fourth category/////// □口

The shape is regular,the expansion force is uniform, and the expansion distance is small.It can withstand high pressure,hasa good sealing effect,is durable and easyto replace.Itis suitable for occasions where the expansion requirement is not high but the sealing strength requirement is high, such as steam sealing,etc.

The fifth category

This type of product is quite similar to the fourth category.By optimizing the design of the sealing surface,the sealing performance of the sealing ring against particles,dust and solutions has been enhanced. It is often used for sealing in pharmaceutical and papermaking equipment. This type of product has good pressure resistance and durability.

The sixth category

寶 Z m

It has a base,which is convenient for fixation, not easy to shift or fall off,and has good stability. It has a relatively large expansion capacity and is suitable for sealing conditions where a large expansion volume is required.