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Double-acting Combined Piston Seal Set
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Double-acting Combined Piston Seal Set

Double-acting Combined Piston Seal Set

The KGB is a double-acting piston compact seal, widely used in reciprocating hydraulic pistons, such as heavy duty bulldozers, cranes, forklifts, hydraulic valves, etc.
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Double-acting Combined Piston Seal Set




Standard Material


PartsMaterialpiston seal cheap
Guide ringPOM / Nylon PA
Elastomer sealNBR / FKM
Back-up ringPET

* Other materials are avaiable on request.





Description


The KGB(a/b) is a double-acting seal and guide element, consisting of an elastomeric seal, two back-up rings and two guide rings. The back-ring prevents the elastomer seal ring from extrusion under big sealing gap. The guiding ring acts to guide the piston in the cylinder and absorb the radial force. 


This design provides a compact combination of seal and guide for open or closed mounting groove, and works well in both static and dynamic system.

DAS hydraulic seals

TPM piston seals





Advantages


- High wear resistance

- Simple one-piece piston design

- High extrusion resistance

- Good fluid control

- Can be installed in closed grooves to reduce processing costs

- Seal and guide multi-functional effects

- Easy to install, retaining the retaining ring and guide ring

KGD profile





Application


  • Machine tool

  • Autocrane

  • Forklift and handling machinery

  • Agricultural machinery





Working Condition


Speed

Pressure

Temperature

Media

Supplied Diameter

0.5m/s

0~35Mpa

-30℃~+100℃

Petroleum-based hydraulic oil, flame retardant hydraulic fluid, environmentally safe hydraulic oil (bio-oil), water and others, depending on the material of the seal.

20mm-330mm





Technical Drawing


combination seals

 




Specification List


Part noDN H9d1 h9L1+0.2L2+0.1d2 h9d3 h11TP
KGB 20 11201113.52.11719(a)
KGB 25 15251516.46.3521.4523.5(a)
KGB 25 15/A25151242123(a)
KGB 25 16251613.52.12224(a)
KGB 30 17301715.46.3526.529(a)
KGB 30 21302113.52.12729(a)
KGB 32 22322216.46.3528.530.5(a)
KGB 32 22/A322215.52.62831(a)
KGB 32 24322415.53.22831.4(a)
KGB 35 25352516.46.3531.433.5(b)
KGB 35 25/A352515.52.63134(a)
KGB 40 24402418.46.3535.438.5(a)
KGB 40 26402615.52.63639(a)
KGB 40 30403016.46.3535.438.5(a)
KGB 40 30/A403012.5436338(a)
KGB 40 32403215.53.23639.4(b)
KGB 45 29452918.46.3540.443.7(a)
KGB 45 31453115.52.64144(a)
KGB 45 35453516.46.3540.443.5(a)
KGB 50 34503418.46.3545.448.5(a)
KGB 50 34/A503420.53.14649(a)
KGB 50 38503820.54.24649.4(b)
KGB 55 39553918.46.3550.3653.5(a)
KGB 55 39/A553920.53.15154(a)
KGB 55 43554320.54.25154.4(a)
KGB 60 44604418.46.3555.458.5(a)
KGB 60 44/A604420.53.15659(a)
KGB 60 48604820.54.25659.4(b)
KGB 63 47634718.46.3558.461.5(a)
KGB 63 47/A634720.53.15962(a)
KGB 63 51635120.54.25962.4(b)
KGB 65 49654920.53.16164(a)
KGB 65 50655018.46.3560.463.5(a)
KGB 70 50705022.46.3564.268.3(a)
KGB 70 54705420.53.16669(a)
KGB 70 58705820.54.26669.4(b)
KGB 75 55755522.46.3569.273.3(a)
KGB 75 59755920.53.17174(a)
KGB 80 60806022.46.3574.1578.3(a)
KGB 80 62806222.53.67679(a)
KGB 80 66806622.55.27679.4(b)
KGB 85 65856522.46.3579.1583.3(a)
KGB 90 70907022.46.3584.1588.3(a)
KGB 90 72907222.53.68689(a)
KGB 90 76907622.55.28689.4(b)
KGB 95 75957522.46.3589.1593.3(a)
KGB 100 751007522.46.3593.1598(a)
KGB 100 801008025.46.3594.1598.3(a)
KGB 100 821008222.53.69699(a)
KGB 100 861008622.55.29699.4(b)
KGB 105 801058022.46.3598.1103(a)
KGB 110 851108522.46.35103.1108(a)
KGB 110 921109222.53.6106109(a)
KGB 110 961109622.55.2106109.4(b)
KGB 115 901159022.46.35108.1113(a)
KGB 120 951209522.46.35113.1118.1(a)
KGB 120 10612010622.55.2116119.4(b)
KGB 125 10012510025.46.35118.1123(a)
KGB 125 10312510326.55.1121124(a)
KGB 125 10812510826.57.2121124.4(b)
KGB 130 10513010525.49.5122.6127.5(a)
KGB 130 105/A13010525.46.35123.1128(a)
KGB 135 11013511025.49.5127.6132.5(a)
KGB 135 110/A13511025.46.35128.1133(a)
KGB 140 11514011525.49.5132.6137.5(a)
KGB 140 115/A14011525.46.35133138(a)
KGB 140 11814011826.55.1136139(a)
KGB 140 12314012326.57.2136139.4(b)
KGB 145 12014512025.49.5137.6142.5(a)
KGB 145 120/A14512025.46.35138.3142.95(a)
KGB 150 12515012525.49.5142.6147.5(a)
KGB 150 125/A15012525.46.35143148(a)
KGB 160 13016013025.46.35153157.5(a)
KGB 160 130/A16013025.49.5152.6157.5(a)
KGB 160 13516013525.49.5152.6157.5(a)
KGB 170 14517014525.412.7161.7167.1(a)
KGB 175 15017515025.412.7166.7172.1(a)
KGB 180 15518015525.412.7171.7177.1(a)
KGB 185 16018516025.412.7176.7182.1(a)
KGB 190 16519016525.412.7181.7187(a)
KGB 200 17520017535.412.7191.6197(a)
KGB 220 19022019025.46.35121.7217.9(a)
KGB 220 19522019525.412.7211.6217(a)
KGB 250 22025022031.56.35242.9247.9(a)
KGB 250 22525022525.412.7241.6247(a)
KGB 280 25528025525.412.7271.6277(a)
KGB 300 27530027531.56.6296299(a)
KGB 320 29532029525.412.7311.6317(a)
KGB 360 33536033525.412.7351.6357(a)
KGB 380 35538035525.412.7371.6377(a)
KGB 400 37540037525.412.7391.6397(a)





FAQ


1. What color is your KGB piston seal?

Generally black/blue, we have also purple, white available on request.



2. Are you able to select proper material, seal type according to our cylinder working condition?

Yes, we offer tenical consultation before order. Please send us the working condition or any drawing, size details of cylinder, then we will figure out the most suitable solution for you.



3. What's the packing method of this product?

The compact seal will be firstly winded with shrink film, 10pcs per roll.

Proper quantity to a carton.  We support custom packing and label on all items.



4. What is your payment term?

Paypal, T/T or L/C.

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