Артикул: RX7436

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Fine throttle F

Name: Fine throttle F
Brand: Bosch Rexroth
SKU: RX7436

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Description

Size 10, 5
Component series 2X, 3X
Maximum operating pressure 210 bar
Maximum flow 80 l/min

Features

For subplate mounting
For threaded connection
for block installation
lockable rotary knob

Product description

The flow control valve type F is a fine throttle valve with an orifice-type throttling point. It basically consists of housing (1), adjustment element (2) and orifice (3) and is used for throttling of a flow with low temperature dependency.

The flow from A to B is throttled at the orifice window (4). The throttle cross-section is set by rotation of the curved bolt (5). Low temperature dependency is achieved thanks to the orifice design of the throttling point.

Type code

01	02	03	04		05		06	07	08
F			3	–		/			*

01	Fine throttle					F
02	Size 5					5
02	Size 10					10
03	for block installation					K
	For threaded connection					G
	For subplate mounting					P
04						3
05	Component series 20 ... 29 (version "K") (20 ... 29: unchanged installation and connection dimensions)					2X
05	Component series 30 ... 39 (version “G and “P”) (30 ... 39: unchanged installation and connection dimensions)					3X
06	NG25		Size 10
	progressive		progressive		Linear
	Orifice 0.2	0,2Q	Orifice 5	5Q	Orifice 2	2L
	Orifice 0.6	0,6Q	Orifice 10	10Q	Orifice 5	5L
	Orifice 1.2	1,2Q	Orifice 16	16Q	Orifice 10	10L
	Orifice 3	3Q	Orifice 25	25Q	Orifice 16	16L
	Orifice 6	6Q			Orifice 25	25L
	Orifice 10	10Q			Orifice 50	50L
Seal material
07	NBR seals					no code
	FKM seals					V
	Observe compatibility of seals with hydraulic fluid used.
08	Further details in the plain text					*

Technical data

general

Size			5	10
Weight	Block installation	kg	1
	Threaded connection	kg	1.6
	Subplate mounting	kg	1.4
Installation position			any
Ambient temperature range	NBR seals	°C	-30 … +80
Ambient temperature range	FKM seals	°C	-20 … +80

hydraulic

Size			5	10
Maximum operating pressure		bar	210
Maximum flow		l/min	80
Hydraulic fluid			see table
Hydraulic fluid temperature range	NBR seals	°C	-30 … +80
Hydraulic fluid temperature range	FKM seals	°C	-20 … +80
Viscosity range		mm²/s	2.8 … 380
Maximum admissible degree of contamination of the hydraulic fluid 1)			Class 20/18/15 according to ISO 4406 (c)
Adjustment angle		°	300
Actuating torque	at 100 bar	Nm	1.1
Actuating torque	at 200 bar	Nm	1.8

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
Mineral oil		HL, HLP	FKM, NBR	DIN 51524
Bio-degradable	Insoluble in water	HEES (synthetic esters)	FKM	VDMA 24568
	Insoluble in water	HETG (rape seed oil)	FKM, NBR	VDMA 24568
	Soluble in water	HEPG (polyglycols)	FKM	VDMA 24568
Other hydraulic fluids on request

(For applications outside these values, please consult us!)

Diagrams/characteristic curves

(measured with HLP46, ϑOil = 40 ±5 °C)

Δp-qV characteristic curves: NG5

Δp-qV characteristic curves: NG10 – linear

Δp-qV characteristic curves: NG10 – progressive

Symbols/Circuit diagrams

Dimensions

Threaded port and subplate mounting

Dimensions in mm

NG	H1	H2	H3	H4	H5	H6	H7	H8
	mm	mm	mm	mm	mm	mm	mm	mm
5	56	42	95	122	26	30	12	10
10	58	42	97	124	22	27	14	10

Pipe thread "G" according to ISO 228/1

1	Rotary knob security lock (all positions can be locked), rotation range 300° corresponds to 10 scale sections
2	Scaling
3	Name plate
4	Seal ring
5	Blind plate (with threaded port only)
6	Connection bores closed at version "P".

Valve mounting screws (separate order)

4 hexagon socket head cap screws ISO 4762 - M5 x 50 - 10.9-flZn-240h-L

(friction coefficient μtotal = 0.09 to 0.14);

Tightening torque MA = 7 Nm ± 10 %,

Material no. R913000064

NG	H1	H2	H3	H4
	mm	mm	mm	mm
5	16	93	120	10.3
10	18	95	122	12.4

for block installation

Dimensions in mm

1	Rotary knob security lock (all positions can be locked), rotation range 300° corresponds to 10 scale sections
2	Scaling
3	Name plate
4	Depth of fit
5	Attention! Install port A and B outside the range of the mounting bores M5 – Risk of breaking!
6	NG5: 4 hexagon socket head cap screws ISO 4762 - M5 x 16 - 10.9-flZn-240h-L (Friction coefficient μtotal = 0.09 to 0.14); Tightening torque MA = 7 Nm ± 10 % Material no. R913000468
6	NG10: 4 hexagon socket head cap screws ISO 4762 - M5 x 20 - 10.9-flZn-240h-L (Friction coefficient μtotal = 0.09 to 0.14); Tightening torque MA = 7 Nm ± 10 % Material no. R913000488

Dimensions in mm

Downloads

Fine throttle
Data Sheet | RE27761 | 2005-10-01 | English | PDF | 267k
Product Groups: Throttle valves

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