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| محل منبع: | چین |
| نام تجاری: | WESPC |
| گواهی: | ISO9001 |
| شماره مدل: | T417885 |
WESPC Valve Spring T417885 For Perkins 1004-4 1006-6 135TI 1106 Family Diesel Engines
| Brand Name | WESPC |
| Place of Origin | China |
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Part Number |
T417885 |
| After-sales Service Provided | Video Technical Support, Online Support |
| Marketing Type | Ordinary Product |
| Certificate | ISO9001 |
| Warranty | 1 Year |
| Stock | Yes |
Application:
T417885 is the inner valve spring used on the intake and exhaust valves of Perkins 1004-4, 1006-6, 135TI and 1106 family diesel engines. It is installed in the cylinder heads of JCB 3CX/4CX back-hoe loaders, Claas Lexion combines, Terex TA6 dumpers, Manitou MLT tele-handlers and FG Wilson P110-P165 generator sets where it works together with the outer spring T417880 to control valve motion under high boost and EGR conditions.
Technical specifications:
Free length 55 mm, installed length 37 mm, outer diameter 22 mm, wire diameter 3.2 mm. The spring delivers 95 N seat load at 37 mm and 220 N open load at 26 mm lift, giving a rate of 10 N/mm. Solid height is 24 mm with a safety margin of 0.4 mm to coil bind.
Material & performance features:
The wire is chrome-silicon alloy steel (SAE 9254) shot-peened to 0.18 mmA intensity and stress-relieved at 280 °C for 30 min to achieve 48–52 HRC surface hardness. A blue-oxide finish provides 96 h salt-spray protection per ASTM B117. The spring is preset to eliminate length relaxation during the first 50 h of operation, guaranteeing <1 % load loss over the 12 000 h engine overhaul interval.
Interchange part numbers:
Perkins T417885, 31744133, 740465M1, 02/101969; Vapormatic VPA2014; Landini 02/101969.
