SPG - СпецАвто

1 SPECIAL PACKINGS FOR PISTON SEALS RAREFLON (PTFE) + NITRILE RUBBER (NBR)SPG TYPE# P le a se designate N O K Part number and type & size on your order. (Example) Type Dimensions SPG 30 Sign1 Part NumberGS0327V0 Nominal Size of Packing described in order ofinner diameter(d), outer diameter(D), and height(h)# P le a se check the application range on pages 14 and 15 before selecting the 19YF + NOK A980 : Outer diameter 950mm or less NOK 19YF + NOK A402 : Outer diameter more than 950mmF-1977O t> л0 "o w *FDIMENSIONSPGTYPESPECIAL PACKINGS FOR PISTON SEALS/R z 1 ''P t 1/R z 1 2 .5 с ( Pt : ' -1 -Extrusion g a p : g W ear ring?0 - 3 0emove burrs and overturns/R z 6 .3 /(P t6 .3 )R = or below R i= below R: = 1 The inner surface of the cylinder tube should be finished by burnishing(RLB) or honmg(GH) to to цm Rz ( to //m R a).)

2 Especially under severe lubricating condition, burnishing is required. The roughness is J IS В 0601 : regulation length cannot be kept, apply NumberNominal Size of Packing, and Housing dimensionsNOKdDhHСPart NumberSPG determine В dimension, please refer to the graph in the right for the maximum extrusion gap (one side) considering the eccentricity of operating condition of the DETERMINE В DIMENSIONg *(mm)10 20 30011 pressure (MPa)------- Nominal NumberNominal Size ofPacking, and Housing dimensionsNOKdDhHСPart NumberSPG 125109125GS0351 "o v*SPGTYPESPECIAL PACKINGS FOR PISTON SEALS (LARGE DIMENSION)_____ /R Z ;H+V | Extrusion g ap: g^ 1 2 . 5 ) с s _ i P 112-5^ | / W ear >iiV .- 7 'i rThe inner surface of the cylinder tube should be finished by burnishing(RLB) or honing(G H) to to fimRz ( to /im Ra).

3 Especially under severe lubricating condition, burnishing is = or below Ri= or below R?= 1 The roughness is JIS В 0601 : 2001. When regulation length cannot be kept, apply TO DETERMINE В DIMENSIONTo determine В dimension, please refer to the graph in the right for the maximum extrusion gap (one side) considering the eccentricity of operating condition of the NumberNominal Size of Packing, and Housing dimensionsNOKdDhHСPart NumberSPG V0140013501400GS0402V0150014601500GS0852 V01650160016502425GS0579V080F-22