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Kastas Seals: Engineered for Performance, Trusted Worldwide
When performance, reliability, and precision matter, Kastas Seals stand out as a global leader in sealing technology. With decades of experience in fluid power sealing systems, Kastas offers innovative sealing solutions that power industries across the world—from heavy machinery and hydraulic systems to energy, marine, and automotive applications.

Why Choose Kastas Seals?
🧪 Advanced Materials & R&D
Kastas uses proprietary compounds and engineering plastics that ensure high resistance to pressure, heat, wear, and aggressive media.
⚙️ Wide Product Range
Whether you need rod seals, piston seals, wipers, guide rings, or static seals, Kastas offers one of the most comprehensive product portfolios in the market.
🌍 Global Reach, Local Support
With a worldwide distribution network and regional support teams, Kastas ensures fast delivery and technical assistance wherever you are.
🔩 Customized Solutions
From standard applications to highly specific industrial challenges, Kastas can tailor sealing systems to meet exact needs, ensuring leak-free, efficient, and long-lasting performance.

Kastas Sealing Technologies is a leading manufacturer of hydraulic, pneumatic sealing elements and custom-made sealing solutions. Our wide range of piston seals, rod seals, wipers, guide rings, static seals, machined seals and o-rings are designed and developed for the needs of high quality demanding applications and equipments globally.

KASTAS CODE	PRODUCT NAME	DRAWING	APPLICATION	MATERIAL	CODE	PRESSURE (max)bar	TEMPERATURE (max) °C	SLIDING SPEED (max)-m/sn
K0	O’Ring		Rod Piston	NBR	NB7001	63	-30/+105	0.5
K01	Rod Packing		Rod	NBR FABRIC NBR POM	NB9001 FB8001 PM9903	400	-30/+105	0.5
K03	Piston Packing		Piston	FABRIC NBR POM	FB8001 PM9903	400	-30/+105	0.5
K04	Rod Packing		Rod	NBR FABRIC NBR POM	NB9001 FB8001 PM9903	400	-30/+105	0.5
K05	Wiper		Rod	PU	PU9401		-30/+100	1.0
K06	Wiper		Rod	NBR PU	NB9001 PU9201		-30/+105 -30/+100	1.0 1.0
K07 (NBR)	Matel Case Wiper		Rod	NBR STEEL	NB9001 FE9901		-30/+105	1.0
K07 (PU)	Matel Case Wiper		Rod	PU STEEL	PU9201 FE9901		-30/+100	1.0
K09	Wiper		Rod	NBR PU	NB9001 PU9201		-30/+105 -30/+100	1.0 1.0
K10	Double Wiper		Rod	NBR	NB9001		-30/+105	1.0
K11	Wiper		Rod	TPE	TP5501		-40/+120	2.0
K12	Metal Case Double Wiper		Rod	PU STEEL	PU9501 FE9901		-30/+100	1.0
K14	V-Ring			NBR	NB7001	0.3	-30/+105	12.0 Peripheral
K15	Piston Seal		Piston	NBR PU	NB7001 PU9501	250	-30/+100	0.5
K16	Compact Piston Seal		Piston	NBR FABRIC NBR POM	NB8001 FB8001 PM9901	400	-30/+105	0.5
K17	Piston Seal		Piston	NBR PTFE	NB7001 PT6003	400	-30/+105	5.0
K18	Compact Piston Seal		Piston	NBR TPE POM	NB8001 TP7301 PM9901	400	-30/+105	0.5
K19	Heavy Duty Piston Seal		Piston	NBR PTFE POM	NB8001 PT6003 PM9901	400	-30/+105	1.50
K20	Compact Piston Seal		Piston	NBR POM	NB8001 PM9901	150	-30/+105	0.5
K21	Rod Piston Seal		Piston Rod	NBR PU	NB9001 PU9201	150 400	-30/+105	0.5
FR200	Rod Seal		Rod	PU	PU9401	400	-35/+100	0.5
K22	Rod Seal		Rod	NBR PU	NB9001 PU9201	150 400	-30/+105 -30/+100	0.5 0.5
XT200	Rod Seal		Rod	PU	PU9401	400	-35/+100	0.5
K23	Piston Seal		Piston	NBR PU	NB9001 PU9201	150 400	-30/+105 -30/+100	0.5
K25	Pneumatic Piston Seal		Piston	NBR STEEL	NB7501 FE9901	16	-30/+105	1.0
K26	Piston Seal		Piston	NBR STEEL SPRING	NB9001 FE9901 CN9901	60	-30/+105	0.5
K27	Double Wiper		Rod	NBR PU	NB9001 PU9201		-30/+105 -30/+100	1.0 1.0
K29	Buffer Seal		Rod	PU POM	PU9201 PM9901	400	-30/+105	0.5
K30	Pneumatic Combi Seal		Rod	NBR STEEL	NB7001 FE9901	16	-30/+105	1.0
K31	Heavy Duty Rod Seal		Rod	NBR PU POM	NB7001 PU9401 PM9901	630	-30/+100	0.5
K32	Rod Seal		Rod	PU POM	PU9401 PM9901	400	-30/+100	0.5
K33	Rod Seal		Rod	PU	PU9401	400	-30/+100	0.5
K34	Rod Seal		Rod	NBR FABRIC NBR TPE POM	NB8001 NB8008 TP5501 PM9901	700	-30/+105	0.5
K35	Rod Seal		Rod	NBR PTFE	NB7001 PT6003	400	-30/+105	5.0
K36	Piston Rod Seal		Piston Rod	NBR FABRIC NBR	NB8001 FB8001	250	-30/+105	0.5
K37	Rod Seal		Rod	NBR FABRIC NBR POM	NB8001 FB8001 PM9901	400	-30/+105	0.5
K38	Rod Seal		Rod	PU	PU9401	400	-30/+105	0.5
K39	Rod Seal		Rod	NBR FABRIC NBR	NB8001 FB8001	250	-30/+105	0.5
K40	Piston Seal		Piston	PU POM	PU9401 PM9901	400	-30/+100	0.5
K41	Piston Seal		Piston	NBR PTFE	NB7001 PT6003	400	-30/+105	5.0
K42	Compact Piston Seal		Piston	NBR TPE POM	NB8001 TP5501 PM9901	700	-30/+105	0.5
K43	Piston Seal		Piston	NBR FABRIC NBR POM	NB8001 FB8001 PM9901	500	-30/+105	0.5
K46	COMPACT SET		Piston	PU POM NBR	PU9201 PM9901 NB7001	400	-30/+100	0.5
K48	Piston Seal		Piston	NBR TPE POM	NB8001 TP5501 PM9901	700	-30/+105	0.3
K49	Piston Seal		Piston	PU NBR	PU6001 NB8001	400	-30/+100	0.5
K50	Pneumatic Piston Seal		Piston	NBR PU	NB8001 PU8502	12 16	-30/+105 -30/+80	1.0 1.0
K51	Pneumatic Rod Seal		Rod	PU	PU9201	16	-30/+80	1.0
K52	Pneumatic Rod Seal		Rod	NBR PU	NB9001 PU9201	12 16	-30/+105 -30/+80	1.0 1.0
K53	Pneumatic Cushioning Seal		Rod	NBR PU	NB9001 PU9201	12 16	-30/+105 -30/+80	1.0 1.0
K54	Pneumatic Piston Seal		Piston	NBR	NB7001	12	-30/+105	1.0
K55	Pneumatic Piston Seal		Piston	NBR Aluminum	NB7001 AL9901	12	-30/+105	1.0
K56	Pneumatic Rod Seal		Rod	NBR TPE	NB8001 TP5501	16	-30/+105	1.0
K57	Pneumatic Piston Seal		Piston	NBR Aluminum	NB7001 AL9901	12	-30/+105	1.0
K58	Pneumatic Piston Seal		Piston	PU POM Aluminum MAGNET NBR	PU9201 PM9901 AL9901 MK9901 NB7001	12	-30/+80	1.0
K59	Pneumatic Piston Seal		Piston	NBR PU	NB8001 PU8502	12 16	-30/+105 -30/+80	1.0 1.0
K61	Pneumatic Piston Seal		Piston	NBR POM Aluminium	NB7001-NB8001 PM9901 AL9901	12	-30/+105	1.0
K62	Pneumatic Piston Seal		Piston	NBR	NB7001	12	-30/+105	1.0
K63	Pneumatic Piston Seal		Piston	NBR	NB7001	12	-30/+105	1.0
K64	Pneumatic Rod Seal		Rod	PU	PU9201	16	-30/+80	1.0
K65	Pneumatic Piston Seal		Piston	NBR	NB7001	12	-30/+105	1.0
K68	Rod Guide Ring		Rod	POM	PM9902		-40/+100	1.0
K69	Piston Guide Ring		Piston	POM	PM9902		-40/+100	1.0
K73	Piston Rod Guide Ring		Piston Rod	POLYESTER RESIN	PR6501		-40/+120	1.0
K74	Rod Guide Ring		Rod	POM	PM9902		-30/+125	1.0
K75	Piston Rod Guide Ring		Piston Rod	Synthetic Fiber + PTFE	PH6501		-50/+100	0.8
K78	Piston Guide Ring		Piston Rod	PHENOLIC ARAMID	PH6504		-40/+200	1.0
K81	Back-up Ring		Piston Rod	TPE	TP5501	500	-40/+120	1.0
K82	Flange Seal			PU	PU9401	600	-30/+100
K83	Cover Seal			PU	PU9401	600	-30/+100
K84	Cover Seal			PU	PU9401	600	-30/+100
K85	Static Seal			PU	PU9401	600	-35/+110
K86	Static Seal			PU	PU9201	500	-45/+100
K87	Fluid Connector Seal			NBR	NB8501		-30/+105
K93	Wiper		Rod	PU	PU9201		-40/+105	1.0
K94	Wiper		Rod	PU	PU9401		-30/+100	1.0
K95	Piston Rod Seal		Piston Rod	NBR	NB9001	150	-30/+105
K96	Rod Seal		Rod	NBR	NB9001	150	-30/+105	0.5
K98	Piston Rod Seal		Piston Rod	NBR PU	NB7001 PU9201	400	-30/+100	0.5
K101	External Wiper		Piston	PU	PU9201		-40/+100	1.0
K102	Wiper		Rod	PU STEEL	PU9401 FE9901		-35/+110	1.0
K103	Double Wiper		Rod	PU	PU9201		-40/+100	1.0
K150	Chevron Ring		Rod	FABRIC NBR	FB8502	250	-30/+80	2.0
K151	High Pressure Chevron Seal		Rod	FABRIC NBR POM PTFE	FB8502 PM9901 PT6005	400	-30/+80	2.0
K152	Low Pressure Chevron Seal		Rod	FABRIC NBR	FB8502	80	-30/+80	2.0
K153	Low Pressure Chevron Seal		Rod	FABRIC NBR POM	FB8502 PM9901	80	-30/+80	2.0
K501	Piston Seal		Piston	NBR PA	NB7001 PA9904	500	-30/+105	1.0
K503	Compact Piston Seal		Piston	NBR TPE POM	NB8001 TP7301 PM9901	400	-30/+105	0.5
K504	COMPACT SET		Piston	NBR FABRIC NBR POM	NB8001 FB8001 PM9901	500	-30/+105	0.5
K518	Compact Piston Seal		Piston	NBR POM TPE	NB8001 PM9905 TP7301	400	-30/+105	0.5
K701	Spring Loaded Rod Seal		Rod	PTFE STAINLESS	PT6002 CN9902	350	-150/+250	15.0
K702	Rod Seal for Rotating Application		Rod	NBR PTFE	NB7001 PT6003	300	-30/+105	5.0 Peripheral
K703	Wiper		Rod	NBR PTFE	NB7001 PT6003		-30/+105	5.0
K704	Rod Seal		Rod	NBR PTFE	NB8001 PT6003	400	-30/+105	5.0
K705	Wiper		Rod	NBR PTFE	NB7001 PT6003		-30/+105	5.0
K751	Spring Loaded Piston Seal		Piston	PTFE STAINLESS	PT6002 CN9902	350	-150/+250	15.0
K752	Piston Seal for Rotating Application		Piston	NBR PTFE	NB7001 PT6003	300	-30/+105	5.0 Peripheral
K753	Piston Seal		Piston	NBR PTFE	NB7001 PT6003	400	-30/+105	2.0
K755	Piston Seal		Piston	NBR PTFE	NB8001 PT6003	400	-30/+105	5.0
K780	Carbon Steel Bushing		Rod	PTFE Porous Bronze Steel Backing Tin-plating			-195/+280	2.0-5.0
K781	Bronze Bushing		Rod	PTFE with Fiber Porous Bronze Bronze Backing			-195/+280	2.0-5.0
K782	Steel POM Bushing		Rod	POM with Fiber Porous Bronze Bronze Backing Tin or Copper Plating			-40/+110	2.0-5.0
KX	X’Ring		Rod Piston	NBR	NB7001	50	-30/+105	0.5
KBT	PTFE Bronze		Piston Rod	PTFE	PT6003		-60/+200	15.0
KKT	Carbon PTFE Guide Strip		Piston Rod	PTFE	PT6002		-60/+200	15.0
KPB	Piston Rod Guide Strip		Piston Rod	POLYESTER RESIN	PR6501		-40/+120	1.0

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