Available manual, pneumatic, and hydraulic spool control kits.

Transcription

1 Fitted with a main pressure relief valve and a load check valve on every working section. Available with parallel circuit. Optional carry-over Variety of port valves (auxiliary valves) Available manual, pneumatic, and hydraulic spool control kits.

2 This catalogue shows technical specifications and diagrams measured with mineral oil of 32 mm 2 /s 32 cst at 4 o C 14 o F temperature. Nominal flow rating 16 l/min 42 US gpm Operating pressure (max.) 31 bar 46 psi Back pressure (max.) outlet port T 2 bar 36 psi Internal leakage (max.) A(B) T Fluid Fluid temperature Viscosity Δp = 1 bar (14 psi) fluid and valve at 4 o C (14 o F) 1 cm 3 /min.91 in 3 /min Mineral based oil with NBR from -2 o C to 8 o C from -4 o F to 176 o F with FPM from -2 o C to 1 o C from -4 o F to 212 o F operating range from 1 to 7 mm 2 /s from 1 to 7 cst min. 12 mm 2 /s 12 cst max. 4 mm 2 /s 4 cst Max contamination level -/19/16 - ISO 446 NAS class 1 Ambient temperature for working conditions with mechanical devices from -4 o C to 6 o C from -4 o F to 14 o F with pneumatic and hydraulic devices from -3 o C to 6 o C from -22 o F to 14 o F with electric devices from -2 o C to o C from -4 o F to 122 o F Note for different conditions please contact Sales department Reference standard BSP UN-UNF NPTF ISO 228/1 ISO 263 THREAD ACCORDING TO ANSI B1.2.3 BS 2779 ANSI B1.1 unified ISO CAVITY DIMENSION SAE J J476a ACCORDING TO DIN Ports BSP UN-UNF Order code G34 G1 SAE Inlet P G 3/4 G 1 1 /16-12 (SAE16) Ports A and B G 3/4 1 1/16-12 (SAE12) Outlet T and carry-over C G 1 1 /16-12 (SAE16) Hydraulic pilots G 1/4 9/16-18 (SAE6) Pneumatic pilots NPTF 1/8-27 2

3 General 4 P T pressure drop 2 P A(B) pressure drop 2 P A(B) pressure drop sections 1 1 P A12(B12) P A6(B6) P A1(B1) 1 1 A1(B1) T A6(B6) T A12(B12) T 1 6 sections 1 section Main pressure relief valve 4 Valve setting range for the direct operating relief valve 4 Valve setting range for the pilot operating relief valve standard setting Auxiliary valves 4 3 Valve setting range for YD relief valve (1-2 bar setting) 4 3 Valve setting range for YP relief valve 2 standard setting 2 standard setting 1 1 3

4 Type E F E F Type mm in mm in mm in mm in KS , ,88 7KS , ,22 2KS , ,77 8KS , ,11 3KS , ,66 9KS , 8 2, 4KS , , 1KS , ,89 KS , ,44 11KS , ,78 6KS , ,33 12KS , ,67 4

5 Open center configuration Carry-over configuration Closed center configuration

6 / K S 1 8 / L 1 ( D ) - / P A 1 ( A o B y D - 1 ) K Z 1 / P A 1 H ( A o B o ) / T 1 / G 1 1 L1: Inlet section with side port L2: Inlet section with upper port R1: Right inlet section with side port R2: Right inlet section with side port 2 (svp): Relief valve blanking plug Direct type D: (D-8): Setting range from 63 to 12 bar (9 to 18 psi), standard setting 8 bar (116 psi). (D-12): Setting range from 1 to 2 bar (14 to 29 psi), standard setting 17 bar (2 psi). (D-2): Setting range from 16 to 32 bar (23 to 46 psi), standard setting 2 bar (36 psi). Pilot operated type P: (P-12): Setting range from 6 to 2 bar (87 to 36 psi), standard setting 12 bar (17 psi). 3 -: Blanking plug (omit in description) F: Inlet anticavitational valve L: Hydraulic pilot unloader valve EL: Solenoid operated unloader valve: ELN: Without emergency ELP: Push-button emergency ELV: Screw type emergency ELT: Push and twist type with detent emergency Coils for EL: 12VDC: Coil type KETA, ISO V DC 24VDC: Coil type KETA, ISO V DC 6

7 4 P: Parallel circuit with port valves arrangemen A: Double acting, 3 positions, with A and B closed in Af: Same as A, more sensitive. B: Single acting on A, 3 positions, B plugged. C: Single acting on B, 3 positions, A plugged. D: Double acting, 3 positions, with A and B open to tank in E: Double acting, 3 positions, with B open to tank in F: Double acting, 3 positions, with A open to tank in 6 1: With spring return in 2: With detent in position 1 and spring return in 3: With detent in position 2 and spring return in 4: 2 positions, position 2 and spring return in : 2 positions, position 1 and spring return in 6: 2 positions, position 1 and spring return in position 2. 7: 2 positions, position 2 and spring return in position 1. 8: Detent in position neutral, 1 and 2. 9: 2 positions, detent in positions 1 and neutral. 1: 2 positions, detent in positions 2 and neutral. 11: 2 positions, detent in positions 1 and H: Double side proportional hydraulic control with spring return to neutral 8 о: Valve blanking plug Antishock valve YD-63: Setting range from 63 to 12 bar (9 to 18 psi), standard setting 63 bar (9 psi). YD-1: Setting range from 1 to 2 bar (14 to 36 psi), standard setting 1 bar (14 psi). YD-2: Setting range from 2 to 31 bar (29 to 46 psi), standard setting 2 bar (29 psi). Antishock and anticavitational valve ZD-63: Setting range from 63 to 12 bar (9 to 18 psi), standard setting 63 bar (9 psi). ZD-1: Setting range from 1 to 2 bar (14 to 36 psi), standard setting 1 bar (14 psi). ZD-2: Setting range from 2 to 31 bar (29 to 46 psi), standard setting 2 bar (29 psi). Antishock pilot operated valve YP: Setting range from 63 to 3 bar (9 to 43 psi), standard setting 17 bar (2 psi). 7 Antishock and anticavitational pilot operated valve ZP: Setting range from 63 to 3 bar (9 to 43 psi), standard setting 17 bar (2 psi). 9 - : Without lever box, with dust-proof plate KZ1: Standard lever box V1: CD flexible cable connection 1 T1: With side outlet. T2: With upper outlet. TC1: With closed center. TC2: With upper outlet and side carry over. 11 Specify thread type, please, refer to page 2 to see codes for it.