OK Type Seal
1,OK Seal Application Scope:
Excavator, bulldozer, grader, loaders, trucks, forklifts, punching machine, cutting machine, bending machine, injection molding machine, hydraulic equipment
2, OK Seal service condition: 
reciprocating motion
3, OK Seal Material: 
NY + NBR
4, OK Seal application limit
Maximum pressure: 35 MPa
Maximum speed: 3 m/s
Temperature range: -30ºC ~ 100ºC





About us : 
GDK seals company is professional seals manufacturer in Guangzhou China, and specialized in the seal kits of the excavator, breaker, loader, dozers, backhoes engineering industrial equipment for more than 12 years. 
We set up the PTFE polymer materials, PU polyurethane and NBR materials seals producing line; Meanwhile, NOK, SKF, PARKER, CFW brand seals are also supplied well as the distributor in China. All sealing products are widely used in different kinds of excavator and breaker hammer installation and maintenance systems, wining high reputation from the customers at home and abroad.

The products we can supply as below:
CONTAMI SEAL:KZT
PISTON PACKING
WEAR RING:Phenolic Resin WR,CAT type WR,PTFE RYT ect
DUST SEAL :DKB,DKBI,PAD, DSI, DLI/VAY, LBH etc
ROD PACKING
BUFFER RING:HBY,HBTS /HBTY(step seal)
BACKUP RING:BRT/BRTS/BRN,N4W,TFP/TFG

SEAL FOR CYLINDER-BOOM
SEAL FOR CYLINDER-ARM(STICK)
SEAL FOR CYLINDER-BUCKET
ROTARY JOINT SEALS
ROTARY(CONTROL) JOINT SEALS
ENGINE SEALS
HYDRAULIC PUMP SELAS
FRONT IDLER SEALS
CHAIN ADJUSTER SEALS
TRAVELLING MOTOR SEALS
CENTER JOINT SEALS/TURNING JOINT SEALS
SLEWING DEVICE SEALS /SWING MOTOR SEALS
LEVER CONTROL SEALS/ PILOT VALVE SEALS / PPC SEALS
TRANSMISSION SEAL KIT
ORING BOX / O RING KIT
HAMMER BREAKER SEAL KIT/BREAKER SEAL KIT

Product Description:
NBR is frequently used in the hydraulic field due to its good mechanical characteristics and resistance to mineral oil based lubrication oils and greases.
PU material display higher mechanical strength,high abrasion,wear and extrusion resistance,high pressure load capacity,as well as a high tear and elongation at break resistance. Also have good flexibility and very good ageing and ozone resistance.
NY material
Application Scope:
Excavator, Crawler Loaders, Crawler Tractors, Skid Steer Loader, Wheel Loaders, Swap Dozers, Hydraulic Hammers,Dump Trucks, Mobile Cranes,Lorry Mounted Cranes,Forklifts & Etc
Service condition: 
reciprocating motion
Material: 
PTFE,NBR, PU
Application limit
Temperature range: -45ºC ~ 110ºC
Availible for the machine
PC Komatsu/ EX/ZAX Hitachi / SK Kobelko/ SH Sumitomo/ HD Kato/ MS Misubishi /EC Volvo/R Hyundai/SE Samsung/DH,DX Daewoo/CAT Caterpiller/JCB ect.



1.How to order ?  
  Pls contact me through email, Tel, skype or whatsapp,tell me what you need and I will offer according to your requirement .
  After you confirm , I will send PI for payment . 
 
2.How to produce ?
   We can produce according to seal type and sizes .
  If you need some customized parts, we can produce according to drawing and samples .
 
3. How to deliver ?
   For small order, we will deliver by express, such as DHL, FEDEX, UPS,TNT.etc 
   For large order , we can deliver by air or by ship .
 
4. About payment ?
   We accept : T/T, PAYPAL, WESTERN UNION or L/C 
   as usual , 30% advance payment in advance . 



We can design and manufacture various rubber parts, custom-made is welcome
material: PTFE,NBR,PU,FKM,Silicon rubber are available.
size: hundreds 
custom-made is welcome.
Welcome to contact us anytime