K751 Hydraulic piston seals

K751 is single acting piston seal consisting of PTFE sealing ring and V shaped energizing metal spring. It’s a preffered sealing solution in process, chemical industries as well as food&beverage equipment.

Advantages

Low friction
Wide chemical compatibility
High temperature resistance
High wear resistance
Long service life

Area of Application

Valves
Pumps
Filling cylinders
Dry running systems
Dosing machines
Food industry
Chemical industry
Pneumatic cylinders
Hydraulic cylinders

In this catalog

30 K751 parts, bore 3.1–187.8 mm across 30 sizes. Most common section heights: 5 mm (14), 6.5 mm (7), 3.5 mm (5).

Same bore, other series

If a K751 size is not the right profile, these cover the same ID/OD combinations:

K812 matching sizes

30 parts in catalog

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Technical table

Live column filters for code, category, ID, OD and H — same workflow as the store.

30 parts

Code (SKU)	Category	ID (d)	OD (D)	H (L)	Action
K751-006	K751	3.1	6	2	View
K751-010	K751	7.1	10	2	View
K751-014	K751	9.5	14	2.5	View
K751-020	K751	15.5	20	2.5	View
K751-025	K751	18.8	25	3.5	View
K751-030	K751	23.8	30	3.5	View
K751-032	K751	25.8	32	3.5	View
K751-040	K751	33.8	40	3.5	View
K751-045	K751	38.8	45	3.5	View
K751-050	K751	40.6	50	5	View
K751-060	K751	50.6	60	5	View
K751-063	K751	53.6	63	5	View
K751-065	K751	55.6	65	5	View
K751-070	K751	60.6	70	5	View
K751-075	K751	65.6	75	5	View
K751-080	K751	70.6	80	5	View
K751-085	K751	75.6	85	5	View
K751-090	K751	80.6	90	5	View
K751-095	K751	85.6	95	5	View
K751-100	K751	90.6	100	5	View
K751-110	K751	100.6	110	5	View
K751-115	K751	105.6	115	5	View
K751-120	K751	110.6	120	5	View
K751-125	K751	112.8	125	6.5	View
K751-130	K751	117.8	130	6.5	View
K751-140	K751	127.8	140	6.5	View
K751-150	K751	137.8	150	6.5	View
K751-160	K751	147.8	160	6.5	View
K751-170	K751	157.8	170	6.5	View
K751-200	K751	187.8	200	6.5	View