BOSCH REXORT Z1S 6: эффективность и надежность в гидравлике
Проверочный клапан BOSCH REXORT Z1S 6 вызывает интерес благодаря своим характеристикам, которые делают его ценным элемен...
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Артикул: RX7454
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Check valve Z1S 6
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Надежность
Профессиональная поддержка
Description
- Size 6
- Component series 4X
- Maximum operating pressure 350 bar
- Maximum flow 40 l/min
Features
- Sandwich plate valve for use in vertical stackings
- as angle valve
- as straight-through valve - Porting pattern according to ISO 4401-03-02-0-05
- Various one and two-channel blocking functions
- Perfect leak-tightness due to poppet made of high-performance plastic
- Corrosion-protected design
- Easily adjustable to special hydraulic fluids by exchanging the external seal rings
- With measuring ports, optional
- As throttle check valve on request
Product description
The valve type Z1S is a direct operated check valve in sandwich plate design.
It is used for the leakage-free blocking in one direction and allows for free flow in the opposite direction.
The stroke of the poppet (1) is limited by the plastic socket (2). The installed spring (3) supports the closing movement. When no fluid flows through the valve, the spring (3) keeps the poppet (1) in closed position.
In contrast to the straight-through valve (section 1), the angle valve (section 2) links or closes off up to three internal channels. Stop and sealing function are taken over by the plug screw (4).
Notice:
For all installation positions in which the blue plastic socket (2) is mounted at the plate side ➁, no additional seal ring may be used at this position!
At the component side ➀, the seal ring (5) (as usual) seals the assembly installed downstream.
The installed plastic socket (2) has a sealing function and may not be removed or damaged.
Section 1: Type Z12 6 F (straight-through valve)
Section 2: Type Z1S 6 B-A (angle valve)
Type code
| 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | |||
| Z1S | 6 | – | 4X | / | V | / | * |
| 01 | Check valve, Sandwich plate design | Z1S |
| 02 | Size 6 | 6 |
| Direction of flow | ||
| 03 | Straight-through valve (in the channel) | |
| A (A2 → A1) | A | |
| B (B2 → B1) | B | |
| A (A1 → A2) | C | |
| B (B1 → B2) | D | |
| A and B (A1 → A2) and (B1 → B2) | E | |
| P and T (P2 → P1) and (T1 → T2) | F | |
| P (P2 → P1) | P | |
| T (T1 → T2) | T | |
| Angle valve | ||
| B → A | B-A | |
| T → P | T-P | |
| AB → P | AB-P | |
| Symbols; for the possible version, see "Symbols/Circuit diagrams" | ||
| Cracking pressure | ||
| 04 | 0,5 bar | 05 |
| 1,5 bar | 15 | |
| 3,0 bar | 30 | |
| 5,0 bar | 50 | |
| 05 | Component series 40 … 49 (40 … 49: unchanged installation and mounting dimensions) | 4X |
| Seal material | ||
| 06 | FKM seals | V |
| Observe compatibility of seals with hydraulic fluid used. (Other seals upon request) | ||
| Corrosion resistance (outside; thick film passivated according to DIN 50979 Fe//Zn8//Cn//T0) | ||
| 07 | None (valve housing primed) | no code |
| Improved corrosion protection (240 h salt spray test according to EN ISO 9227) | J3 | |
| 08 | Without locating hole | no code |
| With locating hole | /601) | |
| With locating hole and locking pin ISO 8752-3x8-St | /62 | |
| Special version | ||
| 09 | Standard version | no code |
| Measuring port in P (G1/4; on channel B side) | SO68 | |
| Measuring port in P (G1/4; on channel A side) | SO118 | |
| Measuring ports A and B (G1/4) | SO90 | |
| Measuring port T (G1/4 | SO2 | |
| Direction of flow P1 → P2 (opposite to version "P") | SO104 | |
| Symbols (examples) see "Symbols/Circuit diagrams" | ||
| 10 | Further details in the plain text | * |
| 1) | Locking pin ISO 8752-3x8-St, material no. R900005694 (separate order) |
Technical data
general
| Size | 6 | |
| Weight | kg | 0.8 |
| Installation position | any | |
| Ambient temperature range | °C | -20 … +80 |
(For applications outside these values, please consult us!)
hydraulic
| Size | 6 | |
| Maximum operating pressure | bar | 350 |
| Cracking pressure | bar | 0.5 / 1.5 / 3 / 5 |
| Maximum flow | l/min | 40 |
| Hydraulic fluid | see table | |
| Hydraulic fluid temperature range | °C | -20 … +80 |
| Viscosity range | mm²/s | 2.8 … 500 |
| Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 1) | Class 20/18/15 | |
| 1) | The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter. |
| Hydraulic fluid | Classification | Suitable sealing materials | Standards | Data sheet | |
| Mineral oils | HL, HLP, HLPD, HVLP, HVLPD | NBR, FKM | DIN 51524 | 90220 | |
| Bio-degradable | Insoluble in water | HETG | NBR, FKM | ISO 15380 | 90221 |
| HEES | FKM | ||||
| Soluble in water | HEPG | FKM | ISO 15380 | ||
| Flame-resistant | Water-free | HFDU | FKM | ISO 12922 | 90222 |
| HFDR | FKM | ||||
| Containing water | HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620) | NBR | ISO 12922 | 90223 | |
| Important information on hydraulic fluids:
| |||||
Diagrams/characteristic curves
(measured with HLP46, ϑOil = 40 ±5 °C)
Straight-through valve
∆p-qV-characteristic curves (A2 → A1)
Angle valve
Symbols/Circuit diagrams
Straight-through valve (➀ = component side, ➁ = plate side)
Version "A"
Version "D"
Version "P"
Version "B"
Version "E"
Version "T"
Version "C"
Version "F"
Angle valve (➀ = component side, ➁ = plate side)
Version "AB-P"
Version "T-P"
Version "B-A"
Examples of special versions (➀ = component side, ➁ = plate side)
Version "SO68"
(check valve in channel P, measuring port P Out G1/4)
Version "SO118"
(check valve in channel P, measuring port P Out G1/4)
Version "SO90"
(check valve in channel P, measuring port A and B G1/4)
Version "SO2"
(check valve in channel P, measuring port T G1/4)
Version "SO104"
(check valve in channel P, direction of flow P1 → P2)
Dimensions
Straight-through valve
Dimensions in mm
 Required surface quality of the valve contact surface |
| Type | B1 | B2 | H1 | H2 |
| mm | mm | mm | mm | |
| Z1S 6 C...SO68 | 22 | - | 13.5 | - |
| Z1S 6 P...SO68 | - | 26.5 | - | 13 |
| Z1S 6 P...SO118 | 26.5 | - | 13 | - |
| Z1S 6 P...SO90 | 22 | 22 | 20 | 20 |
| Z1S 6 P...SO2 | - | 17.5 | - | 20 |
| ① | component side |
| ② | plate side |
| 1 | Name plate |
| 2 | Identical seal rings for ports A, B, P, T (plate side) |
| 3 | Plastic socket, blue (plate side) |
| 4 | Valve mounting bores |
| 5 | Porting pattern according to ISO 4401-03-02-0-05 |
| 6 | Plug screw for measuring port, tightening torque MA = 30 Nm + 10 % |
| 7 | Locking pin ISO 8752-3x8-St (only version "60" and "62") |
| 8 | Bore for locking pin (only version "60" and "62") |
Valve mounting screws (separate order)
| Size | Quantity | Hexagon socket head cap screws | Material number |
| 6 | 4 | ISO 4762 - M5 10.9 | - |
Notice:
Length and tightening torque of the valve mounting screws must be calculated according to the components mounted under and over the sandwich plate valve.
Angle valve
Dimensions in mm
 Required surface quality of the valve contact surface |
| Type | B3 |
| mm | |
| Z1S 6 AB-P | 24.5 |
| Z1S 6 T-P | 24.5 |
| Z1S 6 B-A | 22 |
| 1 | Name plate |
| 2 | Identical seal rings for ports A, B, P, T (plate side) |
| 3 | Plastic socket, blue (plate side) |
| 4 | Valve mounting bores |
| 5 | Porting pattern according to ISO 4401-03-02-0-05 |
| 7 | Locking pin ISO 8752-3x8-St (only version "60" and "62") |
| 8 | Bore for locking pin (only version "60" and "62") |
| 9 | Plug screw, tightening torque MA = 55 Nm + 10 % |
| ① | component side |
| ② | plate side |
Valve mounting screws (separate order)
| Size | Quantity | Hexagon socket head cap screws | Material number |
| 6 | 4 | ISO 4762 - M5 10.9 | - |
Notice:
Length and tightening torque of the valve mounting screws must be calculated according to the components mounted under and over the sandwich plate valve.
Mounting
Check valve installation set: Disassembly and assembly
Disassembly/assembly without causing damage is achieved by using the special multi-purpose tool (1) (separate order, material no. R901182853).
Disassembly:
Push out the check valve installation set.
Assembly:
Insert the check valve installation set and push in the plastic socket (2).
With correct assembly using the special multi-purpose tool (1), the protrusion of the plastic socket (2) is approx. 0.3 mm.
Notice:
Once removed, plastic sockets may no not be used again.
Information
Notes
- Valve housing (steel) and plastic spool with plastic socket can be disassembled into individual components for proper disposal.
- The check valve installation set is available separately (plastic socket, plastic spool, spring): E-Mail: spare.parts@boschrexroth.de
- The plastic socket has a sealing function and may therefore not be damaged.
- For installation and disassembly of the check valve installation set, a special multi-purpose tool is required, see "Mounting".
Troubleshooting
| External leakage at the flow passages | Seal ring faulty. | Replace seal rings (seal kit). |
| Lip of the plastic socket is damaged. | Replace check valve installation set. 1) | |
| Mounting screws tightened unevenly. | Loosen screws and tighten them again crosswise using the recommended tightening torque. | |
| Internal leakage at the check valve installation set | Foreign particle on poppet surface. | Check poppet surface from the outside for foreign particles and remove them. |
| Poppet does not move freely. | Check free movement of the poppet from the outside using an appropriate mandrel. Caution - do not push the plastic socket out of the housing! | |
| Leakage caused by downstream assembly. | Check if the check valve installation set is the reason for the leakage. | |
| Hydraulic fluid quality does not correspond to the specification. | Check hydraulic fluid quality and adjust it to the specifications, if required. | |
| Dependent on the included hydraulic fluid volume and its temperature variations, there may be pressure changes which are not due to leakage. | ||
| If the measures described above are not successful. | Completely replace the check valve installation set. 1) | |
| External leakage at measuring points | Seal faulty. | Replace profile seal. |
| Plug screw or fitting not tightened correctly. | Tighten plug screw or fitting using the specified tightening torque. | |
| 1) | Use the special multi-purpose tool to avoid damaging the plastic socket, see "Mounting". |
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