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Piston / rotary seal, K751, PTFE+C / stainless steel spring, Kastas
Code: KAT_KASK751_000500
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Typ: Piston / rotary U-cup seal 6 x 3.1 x 2.4 K751-006 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_000100
€14,15
€11,69
excl. VAT
Typ: Piston / rotary U-cup seal 9 x 5.6 x 2.4 K751 PTFE+C / stainless steel spring, Kastas
Stock
(11 pcs)
| KAT_KASK751_000200
Delivery to:
04/11/2026
€14,16
€11,70
excl. VAT
Typ: Piston / rotary U-cup seal 10 x 5 x 5 K751-200 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_000300
€20,69
€17,10
excl. VAT
Typ: Piston / rotary U-cup seal 10 x 7.1 x 2.40 K751-010 PTFE+C / stainless steel spring, Kastas
Stock
(3 pcs)
| KAT_KASK751_000400
Delivery to:
04/11/2026
€17,66
€14,60
excl. VAT
Typ: Piston / rotary U-cup seal 14 x 9.5 x 3.6 K751-014 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_000500
€13,30
€10,99
excl. VAT
Typ: Piston / rotary U-cup seal 17 x 12 x 3.5 K751 PTFE+C / stainless steel spring, Kastas
Stock
(3 pcs)
| KAT_KASK751_000600
Delivery to:
04/11/2026
€19,64
€16,23
excl. VAT
Typ: Piston / rotary U-cup seal 20 x 15.5 x 3.6 K751-020 PTFE+C / stainless steel spring, Kastas
Stock
(1 pcs)
| KAT_KASK751_000700
Delivery to:
04/11/2026
€13,30
€10,99
excl. VAT
Typ: Piston / rotary U-cup seal 25 x 18.8 x 4.8 K751-025 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_000800
€16,69
€13,79
excl. VAT
Typ: Piston / rotary U-cup seal 30 x 23.8 x 4.8 K751-030 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_000900
Delivery to:
04/11/2026
€18,55
€15,33
excl. VAT
Typ: Piston / rotary U-cup seal 32 x 25.8 x 4.8 K751-032 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_001000
€18,98
€15,69
excl. VAT
Typ: Piston / rotary U-cup seal 40 x 33.8 x 4.8 K751-040 PTFE+C / stainless steel spring, Kastas
Stock
(1 pcs)
| KAT_KASK751_001100
Delivery to:
04/11/2026
€20,41
€16,87
excl. VAT
Typ: Piston / rotary U-cup seal 45 x 38.8 x 4.8 K751-045 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_001200
€21,98
€18,17
excl. VAT
Typ: Piston / rotary U-cup seal 50 x 40.6 x 7.1 K751-050 PTFE+C / stainless steel spring, Kastas
Stock
(4 pcs)
| KAT_KASK751_001300
Delivery to:
04/11/2026
€27,31
€22,57
excl. VAT
Typ: Piston / rotary U-cup seal 55 x 45.5 x 7 K751 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_001400
€40,29
€33,30
excl. VAT
Typ: Piston / rotary U-cup seal 60 x 50.6 x 7.1 K751-060 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_001500
Delivery to:
04/11/2026
€32,77
€27,08
excl. VAT
Typ: Piston / rotary U-cup seal 62 x 50.5 x 7 K751 PTFE+C / stainless steel spring, Kastas
Stock
(1 pcs)
| KAT_KASK751_001600
Delivery to:
04/11/2026
€46,26
€38,23
excl. VAT
Typ: Piston / rotary U-cup seal 62 x 51.5 x 7 K751 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_001700
€46,51
€38,44
excl. VAT
Typ: Piston / rotary U-cup seal 63 x 53.6 x 7.1 K751-063 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_001800
Delivery to:
04/11/2026
€33,81
€27,94
excl. VAT
Typ: Piston / rotary U-cup seal 65 x 54 x 7 K751-200 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_001900
€69,05
€57,07
excl. VAT
Typ: Piston / rotary U-cup seal 65 x 55.6 x 7.1 K751-065 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_002000
€34,81
€28,77
excl. VAT
Typ: Piston / rotary U-cup seal 70 x 60.6 x 7.1 K751-070 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_002100
Delivery to:
04/11/2026
€36,85
€30,45
excl. VAT
Typ: Piston / rotary U-cup seal 75 x 65.6 x 7.1 K751-075 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_002200
Delivery to:
04/11/2026
€41,28
€34,12
excl. VAT
Typ: Piston / rotary U-cup seal 80 x 70.6 x 7.1 K751-080 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_002300
€45,75
€37,81
excl. VAT
Typ: Piston / rotary U-cup seal 85 x 75.6 x 7.1 K751-085 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_002400
Delivery to:
04/11/2026
€45,07
€37,25
excl. VAT
Typ: Piston / rotary U-cup seal 90 x 80.6 x 7.1 K751-090 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_002500
€44,39
€36,69
excl. VAT
Typ: Piston / rotary U-cup seal 95 x 85.6 x 7.1 K751-095 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_002600
€47,07
€38,90
excl. VAT
Typ: Piston / rotary U-cup seal 100 x 90.6 x 7.1 K751-100 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_002700
Delivery to:
04/11/2026
€49,72
€41,09
excl. VAT
Typ: Piston / rotary U-cup seal 110 x 100.6 x 7.1 K751-110 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_002800
Delivery to:
04/11/2026
€52,50
€43,39
excl. VAT
Typ: Piston / rotary U-cup seal 120 x 110.6 x 7.1 K751-120 PTFE+C / stainless steel spring, Kastas
Not on stock
| KAT_KASK751_002900
€55,25
€45,66
excl. VAT
Typ: Piston / rotary U-cup seal 125 x 112.8 x 9.5 K751-125 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003000
Delivery to:
04/11/2026
€69,80
€57,69
excl. VAT
Typ: Piston / rotary U-cup seal 130 x 117.8 x 9.5 K751-130 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003100
Delivery to:
04/11/2026
€74,41
€61,50
excl. VAT
Typ: Piston / rotary U-cup seal 140 x 127.8 x 9.5 K751-140 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003200
Delivery to:
04/11/2026
€93,61
€77,36
excl. VAT
Typ: Piston / rotary U-cup seal 150 x 137.8 x 9.5 K751-150 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003300
Delivery to:
04/11/2026
€105,68
€87,34
excl. VAT
Typ: Piston / rotary U-cup seal 160 x 147.8 x 9.5 K751-160 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003400
Delivery to:
04/11/2026
€117,80
€97,36
excl. VAT
Typ: Piston / rotary U-cup seal 170 x 157.8 x 9.5 K751-170 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003500
Delivery to:
04/11/2026
€116,19
€96,02
excl. VAT
Typ: Piston / rotary U-cup seal 200 x 187.8 x 9.5 K751-200 PTFE+C / stainless steel spring, Kastas
Stock
(2 pcs)
| KAT_KASK751_003600
Delivery to:
04/11/2026
€139,92
€115,64
excl. VAT
Product detailed description
The single-acting K751 piston seal consists of a PTFE sealing ring and an energizing V-shaped metal spring. It is the preferred sealing solution in the process and chemical industries as well as in food and beverage equipment. It can also be used in rotary applications.
Advantages
- Low friction
- Broad chemical compatibility
- High temperature resistance
- High wear resistance
- Long service life
Applications
- Valves
- Pumps
- Filling cylinders
- Dry-running systems
- Dosing machines
- Food industry
- Chemical industry
- Pneumatic cylinders
- Hydraulic cylinders
- Swivels
- Vacuum pumps
Also searched as: piston seal, piston U-cup, hydraulic seal, hydraulic cylinder seal, PTFE, teflon, Kastas, K751, Kastas K751.
Additional parameters
| Category: | Piston seal |
|---|---|
| Úroveň kvality: | výkon |
| Vnitřní průměr: | 187,8mm |
| Vnější průměr: | 200mm |
| Výška: | 9,5mm |
