- Advanced Material Engineering: Backed by dedicated research units, KVK continuous to innovate in high-grade elastomer synthesis, ensuring maximum hydraulic fluid resistance and high tensile strength under load.
- Colossal Warehousing Capabilities: Operating as a main production and logistics hub, the factory holds vast baseline stock volumes, empowering "Satelit Nikis" to secure even the most specialized and rare sealing dimensions rapidly.
- Strict Quality Metrics: All manufacturing operations strictly mirror the global quality framework of ISO 9001, guaranteeing crisp sealing lip geometries and zero defects.
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products
Products
Hydraulic piston and rod seal UN 50x65x9 PU93 up to 320 bar KVK/China
Product data

Ød=50 mm; ØD=65 mm; h=9 mm
Material: PU93
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 320 bar; when the pressure is higher than 200 bar, it is recommended to use a back-up ring
Speed: ≤ 0.8 m/s
Temperature: -30°C ~ +80°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 7 pcs.
Hydraulic piston and rod seal UN 50x63x10 up to 320 bar KVK/China , KOMATSU 707-51-50210
Product data

Ød=50 mm ; ØD=63 mm ; h=10 mm
Material: PU93
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 320 bar; when the pressure is higher than 200 bar, it is recommended to use a back-up ring
Speed: ≤ 0.8 m/s
Temperature: -30°C ~ +80°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Референтни номера:
707-51-50210
Suitable for Komatsu:
Backhoeloaders/Багер-товарачи:
D31Q-18D31Q-20D31S-18D31S-20D31SM-20
Buldozers/ Булдозери:
D40A-5D40AM-5D40P-5AD40PF-5D41A-5D41P-5A
Cranes/Кранове:
LW250L-1NHLW250L-1NX
Crawler Stabilizers/ Верижни стабилизатори:
CS360-2
Graders/ Грейдери:
GD405A-2GD405A-2SGD505A-3GD505A-3AGD510R-1GD511A-1GD521A-1GD521A-1EGD525A-1GD555-3GD555-3AGD555-3CGD600R-3GD605A-3GD605A-5GD605A-5SGD611A-1GD621A-1GD621R-1GD623A-1GD625A-1GD655-3YGD661A-1GD663A-2GD705A-4GD705A-4A-NGD725A-1GH320-2
Wheel stabilizers/ Колесни стабилизатори:
GS360-2
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 6 pcs.
Hydraulic piston and rod seal USH 30x40x5 NBR90 up to 210 bar KVK/China
Product data
The hydraulic seal USH has a symmetrical design and is suitable for both piston and rod.

Ød=30 mm; ØD=40 mm; h=5 mm
Material: NBR90
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 210 bar; when the pressure is higher than 150 bar, it is recommended to use a back-up ring
Speed: ≤ 0.5 m/s
Temperature: -30°C ~ +100°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 241 pcs.
Hydraulic piston and rod seal UN 80x95x9 PU93 up to 320 bar KVK/China
Product data

Ød=80 mm; ØD=95 mm; h=9 mm
Material: PU93
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 320 bar; when the pressure is higher than 200 bar, it is recommended to use a back-up ring
Speed: ≤ 0.8 m/s
Temperature: -30°C ~ +80°C
Media: mineral-based hydraulic oils and emulsions; not suitable for environmetally-friendly oils (bio oils)
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 40 pcs.
Hydraulic piston seal SPGW-280 280x252x17 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China, KOMATSU 707-44-28080,707-44-28180
Product data

ØD=280 mm; Ød=252 mm; H=17 mm; L=17.5 mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
707-44-28080,707-44-28180
Suitable for Komatsu:
Buldozers/ Булдозери: D155S, D475A
Cranes/Кранове: LW160, LW200L, LW250L
Exavators /Багери: PC1600, PC1600SP
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 8 pcs.
Hydraulic piston seal SPGW-260 260x232x17 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China,KOMATSU 707-44-26180
Product data

ØD=260 mm; Ød=232 mm; H=17 mm; L=17.5 mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
707-44-26180
Suitable for Komatsu:
Wheel Loaders/ Колесни товарачи:
WA800-1,WA800-1-13,WA800-1-A,WA800-2,WA800-2L,WA800-2LC,WA800-3,WA800-3E0,WA800-3LC,WA800L-3,WA900-1,WA900-1L,WA900-1LC A20008-UP,WA900-3,WA900-3E0,WA900-3LC,WA900L-3
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 8 pcs.
Hydraulic piston seal SPGW-250 250x222x17 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China ,KOMATSU 707-44-25080, 707-44-25180, 707-44-25190
Product data

ØD=250 mm; Ød=222 mm; H=17 mm; L=17.5 mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
707-44-25080, 707-44-25180, 707-44-25190
Suitable for Komatsu:
Buldozers/ Булдозери:
D375A-3,D375A-3-01,D375A-3A,D375A-3A-01,D375A-5,D375A-5E0,D475A-2,D475A-3,D475A-3-HD,D475A-3-SC,D475A-5,D475A-5A,D475A-5E0,D475ASD-5E0
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 7 pcs.
Hydraulic piston seal SPGW-225 225x202x15.5 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China, KOMATSU 707-44-22290,707-44-22280,707-44-22180,707-44-22080
Product data

ØD=225 mm; Ød=202 mm; H=15.5 mm; L=16mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
707-44-22290,707-44-22280,707-44-22180,707-44-22080
Suitable for Komatsu:
Buldozers/ Булдозери:
D155A-2,D155A-2A,D155W-1,D275A-2,D355A-3,D355A-3X,D355A-5,D375A-2,D375A-3,D375A-3-01,D375A-3A,D375A-3A-01,D375A-3D,D375A-5D,D575A-2
Compactors/Уплътняващи машини:
WF550-3D
Wheel Loaders/ Колесни товарачи:
WA1200-3,WA400-1,WA420-3MC,WA450-5L,WA470-5,WA480-5,WA480-5L,WA500-1,WA500-1L,WA500-1LC,WA500-1LE,WA500-3,WA500-3H,WA500-3L,WA500-3LK,WA700-1,WA700-1L,WA700-3,WA700-3L
Exavators /Багери:
PC1000-1,PC1000LC-1,PC1000SE-1,PC1000SP-1,PC1100-6,PC1100LC-6,PC1100SE-6,PC1100SP-6,PC1250-7,PC1250-8,PC1250-8R,PC1250LC-7,PC1250LC-8,PC1250SE-7,PC1250SP-7,PC1250SP-8,PC1250SP-8R,PC1600-1,PC650-3,PC650-5,PC650LC-3,PC650LC-5,PC650SE-3,PC650SE-5,PC750-6,PC750-6-AM,PC750-7,PC750LC-6K-01,PC750SE-6,PC750SE-6-AM,PC750SE-6K,PC750SE-6K-01,PC750SE-6K-J,PC750SE-6K-LS,PC750SE-7,PC750SE-7-M1,PC750SE-7K,PC800-8PC800-8R,PC800SE-6,PC800SE-6-AM,PC800SE-7,PC800SE-7-M1,PC800-8E0,PC800-8R1
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 6 pcs.
Hydraulic piston seal SPGW-200 200x177x15.5 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China, KOMATSU 424-63-H0P10,707-44-20080,707-44-20180,707-44-20190
Product data

ØD=200 mm; Ød=177 mm; H=15.5 mm; L=16mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
424-63-H0P10,707-44-20080,707-44-20180,707-44-20190
Подходящ за Komatsu:
Buldozers/ Булдозери:
D155A-3,D155A-5,D155AX-3,D155AX-5,D275A-2,D375A-2,D375A-3,D375A-3-01,D375A-3A,D375A-3A-01,D375A-3D,D375A-5D,D375A-6,D475A-3
Compactors/Уплътняващи машини:
WF450-3WF550-3D
Wheel Loaders/ Колесни товарачи:
WA320PT-5L,WA350-1,WA350-3A-S,WA380-5,WA380-5-SN,WA380-5L,WA400-1,WA400-3-H,WA400-3-X,WA400-3A,WA400-3A-S,WA400-3A-SN,WA400-5L,WA420-1,WA420-3,WA420-3CS,WA420-3L,WA420-3MC,WA420-DZ-3 Serial No.10001 and up,WA430-5,WA450-1,WA450-2,WA450-3,WA450-3-H,WA450-3-X,WA450-3A,WA450-3A-S,WA450-3MC,WA450-5L,WA450L-3,WA470-1,WA470-3,WA470-5,WA470-DZ-3 Serial No.20118 and up,WA500-1,WA500-1L,WA500-1LC,WA500-1LE,WA500-3,WA500-3H,WA500-3L,WA500-3LK
Exavators /Багери:
PC1000-1,PC1000LC-1,PC1100-6,PC1100LC-6,PC1100SE-6,PC1100SP-6,PC1250-7,PC1250-8,PC1250-8R,PC1250LC-7,PC1250LC-8,PC1600-1,PC1600-1-A,PC1600SP-1,PC1800-6,PC1800-6-M1,PC300LL-7E0,PC340-6K,PC340LC-6K,PC340NLC-6K,PC350LC-8,PC350LL-7E0,PC350NLC-8,PC380LC-6K,PC600-6,PC600-6A,PC600-6A-KJ,PC600-6KPC600-6KJ,PC600-7,PC600-7-M1,PC600-7K,PC600-8,PC600-8R,PC600LC-6,PC600LC-6A,PC600LC-6A-KJ,PC600LC-6K,PC600LC-6KJ,PC600LC-7,PC600LC-7-M1,PC600LC-7K,PC600LC-8,PC600LC-8R,PC650-3 & ,PC650LC-3,PC650-3PC650-5 & PC650LC-5,PC650-5,PC650-6,PC650-6A,PC650-7-M1,PC650LC-3,PC650LC-5,PC650LC-6,PC650LC-6A,PC650LC-7-M1,PC650SE-3,PC650SE-5,PC710-5,PC710SE-5,PC750-6,PC750-6-AM,PC750-7,PC750-7-M1,PC750LC-6,PC750LC-6K-01,PC750LC-7,PC750LC-7K,PC750SE-6,PC750SE-6-AM,PC750SE-6K,PC750SE-6K-01,PC750SE-6K-JP,C750SE-6K-LS,PC750SE-7,PC750SE-7-M1,PC750SE-7K,PC800-6,PC800-6-AM,PC800-7,PC800-7-M1,PC800-8,PC800-8R,PC800SE-6,PC800SE-6-AM,PC800SE-7,PC800SE-7-M1,PC600-8E0,PC600-8R1,PC600LC-8E0,PC600LC-8R1,PC800-8E0,PC800-8R1
Wheel Dozers/Колесни булдозери:
WD900-3
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 4 pcs.
Hydraulic piston seal SPGW-185 185x162x15.5 NBR80/PTFE+Bronze/polyamide resin up to 400 bar KVK/China, KOMATSU 707-44-18250,707-44-18280,707-44-18290
Product data

ØD=185 mm; Ød=162 mm; H=15.5 mm; L=16mm
Material: NBR80/PTFE+Bronze/polyamide resin
Application range (the following limit values cannot appear at the same time):
Pressure: ≤ 400 bar
Speed: ≤ 1.5 m/s
Temperature: -20°C ~ +120°C
Media: mineral-based hydraulic oils
OE references:
707-44-18250,707-44-18280,707-44-18290
Suitable for Komatsu:
Exavators /Багери:
PC240LC-8K,PC240NLC-8K,PC400LCSE-8R,PC450-8,PC460LC-8,PC490LC-10,PC600-8,PC600-8R,PC600LC-8,PC600LC-8R,PC650LC-8E0,PC700LC-8E0,PC800-8K,PC800LC-8,PC800LC-8K,PC800SE-8,PC800SE-8R,PC850-8,PC850-8R,PC850SE-8,PC850SE-8RPW200-7E0PW220-7E0,PC240LC-10,PC240NLC-10,PC290LC-10,PC290NLC-10,PC400-8PC400-8R,PC400LC-8,PC400LC-8R,PC450-8R,PC450LC-8,PC450LC-8R,PC490-10,PC490LC-11,PC550LC-8,PC600-8E0,PC600-8R1,PC600LC-8E0,PC600LC-8R1,PC700LC-8R,PC800-8E0,PC800-8R1,PC800LC-8E0,PC800LC-8R1,PC800SE-8E0,PC800SE-8R1,PC850-8E0,PC850-8R1,PC850SE-8E0,PC850SE-8R1
Wheel Dozers/Колесни булдозери:
WA500-7
Manufacturer:
Zhongxingshun Sealing Products Factory
In stock 6 pcs.
