HY-CHECK VALVE S20A50-1X/450J3

Manufacturer: Bosch Rexroth

Material #: R901454076

Model : S20A50-1X/450J3

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth S20A50-1X/450J3 (R901454076) is a high-performance industrial hydraulic valve designed for reliable blocking of oil flow at selected ports. This direct-actuated seat valve is part of component series X and features a spool symbol A B. It is capable of handling a maximum pressure and is equipped with an electrical connection that facilitates integration into various hydraulic systems. With its threaded connection type, the S20A50-1X/450J3 valve offers ease of installation and maintenance. The number of ports, size, and max flow rate are specified to ensure compatibility with a wide range of applications. The valve's number of switching positions and weight contribute to its versatility and robustness in industrial settings. Compatible with a variety of hydraulic fluids including HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, HFDR, and HFC, this Bosch Rexroth valve is flexible for use in diverse hydraulic systems. Its leakage-free blocking in one direction ensures efficient operation while various optional cracking pressures allow customization to specific requirements. The S20A50-1X/450J3's size and component series X denote its capacity to withstand demanding conditions with its maximum operating pressure (bar) and maximum flow (l/min) being indicative of its performance capabilities. Ideal for applications requiring precise control over fluid dynamics within hydraulic circuits, this Bosch Rexroth valve stands out for its reliability and quality engineering.

$144.00 USD

Availability: 3 In Stock

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Qty: Delivered as early as June 27, 2024 when ordered in

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HY-CHECK VALVE S20A50-1X/450J3

Size 20, A → B, hydraulically actuated

Industrial hydraulic valve in a high performance range. Reliable blocking of the oil flow at selected ports.

Unpacked Weight: 1.120 kg

For threaded connection (screw-in thread) Leakage-free blocking in one direction Various cracking pressures, optional

Seat valve
Direct actuated
Size 6 … 30
Maximum operating pressure 450 bar
Component series 1X
Maximum flow 450 l/min

Data Sheet	Download Data Sheet
3D CAD	Download 3D CAD
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual

Spool symbol	A → B
Max. pressure	450
Electrical connection description	0
Productgroup ID	9,10,11,12,13,14
Number of ports	2
Size	20
Max. flow	250
Type of connection	Threaded connection
Connection diagram	Pipe thread G1 ISO 228-1
Number of switching positions	2
Weight	1.120
Hydraulic fluid	HL,HLP,HLPD,HVLP,HVLPD,HETG,HEES,HEPG,HFDU,HFDR,HFC

01	02	03	04		05		06	07	08	09
S		A		-	1X	/

Type
01	Isolator valve	S
Size
02	Size 6	6
	Size 8	8
	Size 10	10
	Size 15	15
	Size 20	20
	Size 25	25
	Size 30	30
Connection
03	Threaded connection	A
Cracking pressure (see characteristic curves)
04	0 bar (without spring)	00
	0,2 bar	02
	0.5 bar (standard)	05
	1,5 bar	15
	3,0 bar	30
	5 bar	50
	8 bar (only NG25 and 30)	80
Component series
05	Component series 10 ... 19 (10 ... 19: unchanged installation and connection dimensions)	1X
Maximum operating pressure
06	Maximum operating pressure 420 bar (Nominal size 25 and 30)	420
06	Maximum operating pressure 450 bar (Nominal size 6 ... 20)	450
Corrosion resistance
07	Improved corrosion protection (240 h salt spray test according to EN ISO 9227)	J3
07	High corrosion protection (720 h salt spray test according to EN ISO 9227)	J5
Piston bore (orifice in channel B)
08	Without piston bore	no code
	Thread M4; not fitted	B00
	Orifice Ø1.0 mm	B10
	Orifice Ø1.2 mm	B12
	Orifice Ø1.5 mm	B15
Connection thread 1)
09	Pipe thread "G" according to ISO 228-1	no code
	Pipe thread "M" according to ISO 261	/2
	Pipe thread “UNF/UN” according to ANSI/ASME B 1.1	/12

1)	Other versions available on request

general

Size		6	8	10	15	20	25	30
Weight	kg	0.1	0.2	0.3	0.5	1	2	2.5
MTTFD values according to EN ISO 13849	Years	150 1)

1)	Not for version "00"; Certificate "Assumed exclusion of faults according to EN ISO 13849-2:2012-10 tab. C4" available upon request. For further details, see data sheet 08012

hydraulic

Size		6	8	10	15	20	25	30
Maximum operating pressure 1)	bar	450					420
Cracking pressure		See characteristic curves
Maximum flow		See characteristic curves
Hydraulic fluid		see table
Hydraulic fluid temperature range	°C	-30 … +80
Viscosity range	mm²/s	2.8 … 500
Maximum admissible degree of contamination of the hydraulic fluid 2)		Class 20/18/15 according to ISO 4406 (c)

1)	Maximum operating pressures up to 1000 bar upon request.
2)	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	Standards	Data sheet
Mineral oils		HL,HLP, HLPD, HVLP, HVLPD	DIN 51524	90220
Bio-degradable 1)	Insoluble in water	HETG	ISO 15380	90221
	Insoluble in water	HEES	ISO 15380
	Soluble in water	HEPG	ISO 15380
Flame-resistant	Water-free	HFDU (glycol base)
	Water-free	HFDU (ester base) 1)	ISO 12922	90222
	Containing water 1)	HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)	ISO 12922	90223
Important information on hydraulic fluids: For further information and data on the use of other hydraulic fluids, please refer to the data sheets above or contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). The ignition temperature of the hydraulic fluid used must be 50 K higher than the maximum surface temperature. Flame-resistant – containing water: Life cycle as compared to operation with mineral oil HL, HLP 30 … 100% Maximum hydraulic fluid temperature 60 °C

1)	Small amounts of dissolved zinc may get into the hydraulic system during use.

For applications outside these parameters, please consult us!

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

∆p-qV characteristic curves with cracking pressure

Size 6

Size 8

Size 10

Size 15

Size 20

Size 25

Size 30

Without spring

With spring

With piston bore/orifice

Dimensions in mm

NG			6	8		10	15	20	25	30
ØD1		mm	22.5	28	34	34	42	52	68	74.5
D2	G		G1/4	G3/8	-	G1/2	G3/4	G1	G1 1/4	G1 1/2
	M		M14 x 1,5	M18 x 1,5	-	M22 x 1.5	M27 x 2	M33 x 2	M42 x 2	M48 x 2
	UNF/UN		-	-	3/4-16 UNF	3/4-16 UNF	1 1/6-12 UN	1 5/16-12 UN	1 5/8-12 UN	1 7/8-12 UN
L1	G	mm	58	58	-	72	88	98	120	132
	M	mm	58	58	-	72	88	98	120	132
	UNF/UN	mm	-	-	66	72	92	105	120	132
L1		mm	-						160 1)	168 1)
L2		mm	10.5	11.5	13	13	15.5	19	25	28
T1	G	mm	13	13	-	15	18	19	22	22.5
	M	mm	12	12	-	14	16	18	20	22
	UNF/UN	mm	-	-	15	15	20	20	20	20
SW	G	mm	19	24	30	30	36	46	60	65

1)	Version "...A80..."