This standard specifies the mounting surface of four-port plate-type hydraulic directional control valves. This standard applies to four-port plate-type hydraulic directional control valves and their connecting plates or manifolds. GB/T 2514-1993 Mounting surface of four-port plate-type hydraulic directional control valves GB/T2514-1993 Standard download decompression password: www.bzxz.net

UDC 627.83.626.25
National Standard of the People's Republic of China
GR/T 2514:93
Four-port plate type hydraulic directional control valves--Mounting surfacesHydraulte fluid power--Four-port directional control valves--Mounting surfaces1993-10-16Released
National Technical Supervision
1994-06-01Implementation
National Standard of the People's Republic of China
Four-port plate type hydraulic directional control valvesMounting surfacesGH/T2514-93
Generation #GU2511-1
This standard is equivalent to IS044.21-S low filter pressure transmission-two oil directional control room-mounting surface>. 1 Main content and scope of application
This standard specifies the installation surface of the plate-type hydraulic bed directional control system. This standard is applicable to the production of four-stage hydraulic directional control cabinets and their connecting plates and integrated blocks: 2 Reference standards
CB1031 Surface quality parameters and their values ​​(F1183~1184 Shape and position tolerances
G1801 Tolerance and fit dimensions up to 5Cmm holes, shaft tolerance zones and fits 3 Letter symbols
The following symbols are used in this standard:
Letters ABP, TLX and oil port symbols
Letters FFF, F1, F2, F3, F4 are hole symbols, letter G is the locating pin hole symbol:
d. Ninger P is screw The letter R of the hole diameter symbol is the diameter of the mounting surface.
4.1 The mounting surface, that is, the area within the roughness and shallowness, adopts the following values, the surface roughness is specified in B1031, R, the value is 0.8pma.
b. Surface flatness, according to CB1152~2184, every 100mm from the original height is 6.01mm; the diameter tolerance of the locating pin hole: H12 specified in GB1801. e
4.2 From the origin, the tolerances of the hole size calculated along the X and Y axes are as follows: locating pin hole: ±
screw: ±0.1 imF
inch: 10.2mm
5 Installation surface number and size
5.1±Mounting surface with maximum oil port diameter X4mm (code: 02): B: Installation surface number: GB/T2514-AA-02-4-A State Technical Supervision Bureau 19931016 oil batch
1994-06-01 selling push
size, see Figure 1. Table 1,
GI/T 2514
5.2 Oiling the installation surface with a maximum straightness of 6.3mm! Code 037: Installation code GR/T214-AH-03-4-4
b, dimensions see Figure 2. Table 2,
5.3 The installation surface with a maximum straightness of 11.2mm Code.15> Installation surface code, GB/2514AC05--Aa.
Dimensions: see circle 3, Table 3,
5.4 The installation surface with a maximum straightness of 17.Gnm <Code: Installation surface code: GB /T2514-4H-17-4-A; size, see Figure 4, Table 4,
5.5 The maximum diameter of the soil pool is 25.4mm (code: 53: mounting surface number GR/T2514-AF-0S-4-A meat,
b size: see Figure 6. Table 5
5.6 The maximum diameter of the oil outlet is 3%nim and is installed (code, 10): mounting surface number G/T25)1-AF-10-4-4
size: see 6. Table 6
+;GP/T 251+-AA-3-4-A
Figure 2 Maximum diameter of the main control installation surface of 4 meters (code, 2 Note: See 6.1.
31 See 6.3.
GB/T2514·93
No.:c/s51t-A3 63-1-A
Figure 2 Maximum direct current 6.3m steam control installation surface (code 03)+, 1) See, 6. -.
2) See 6.2,
31 See 6.3.
4 See. 6. 5.
CB/T 2514--53
Edition 5:c 25s a: ns 4 4
Figure 3 The maximum main oil diameter is =1.2m. The installation surface number of the Sichuan oil room control valve is: G5) Note, 12 see 6.1,
23 see 6.2.
3> See 6.3,
GR/T 2514..93
No. 3r514-412-07-4
Figure 4 Four-port directional control valve with main oil port diameter of 17.5mm (code: 07 method, 13 see, 6.1.
8) see 0.2.
3> See, 6, 3.
14 see 6. 4.
5) see 6. 5.
GA/T2514--$3
No./t 251-.AR cg 4 A
Figure 5 Four-port directional control valve with main oil port diameter of 23.4mm (code: 07 method, 13 see, 6.1.
8) see 0.2.
3> See, 6, 3.
14 see 6. 4.
5) see 6. 5.
GA/T2514--$3
No./t 251-.AR cg 4 A
Figure 5 Four-port directional control valve with main oil port diameter of 23.4mm (code: 0.1 see 6.1
3 see 6. 3.
43 5 6. 4.
5>See 6.5.
CR/T 2514--93
Medical 6 card pool day and ground too Xiao reduced to 32 m average four-way control ceramic installation surface (code: 1U) Note, see 6 [,
) See 6. 4.
55 See 6.5.
Its polishing technical requirements
193,190,5
6.1 The minimum effective depth of the screw is 1. Let. When the iron will be installed on the surface of the material, the threaded depth of the plate hole is 1.2511 The total depth of the screw hole is 2D.+6m.www.bzxz.net
6.2 The minimum surface of the surface specified by the rough point line is the minimum surface of the installation surface. The reverse connection can be made into a negative, with a radius of and. The distance between each screw hole and the reverse edge of the installation surface is equal. GB/T2514-93
6.3 The minimum space required for each installation is the same, that is, the minimum center unit of two different installations should have a minimum depth of 4 pin holes.
6.5 The manufacturer must specify the highest workpiece back force of each installation base plate. Additional notes:
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China. The main body of this standard is the National Hydraulic and Pneumatic Standardization Technical Committee, which is responsible for the Beijing Machinery Industry Research Institute. This standard is intended to be a standard.
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.