van đóng mở, van điều chỉnh áp suất và van tiết lưu VBNF/VFOF-LE-BAH FESTO

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Function combinations provide high performance with minimal space requirements

Fewer components thanks to function integration: faster assembly and commissioning
Save costs: from ordering to logistics
Up to 50% space saving
Energy efficiency thanks to fewer interfaces

Function combination 1: VBNF

Pneumatically controlled non-return valve with manual exhaust

Application: stopping cylinder movement and de-energising

Function combination 2: VFOF-LE-BAH

Pneumatically controlled one-way flow control valve, non-return valves with manual exhaust

Application: adjusting or stopping cylinder movement and de-energising

Technical data
Valve function	VBNF Non-return valve with manual exhaust function		VFOF-LE-BAH One-way flow control valve, exhaust air with manual exhaust function
Sizes	G1/8	G1/4	G1/8	G1/4
Actuation of non-return valve	Pneumatic
Adjusting element/flow control valve	-		Internal hex
Adjusting element	Manual, non-detenting
Standard flow rate qnN [l/min] in direction of flow control (2 -> 1)	260	620	250	650
Standard flow rate qnN [l/min] in non-return direction (1 -> 2)	-		150 ... 260	300 ... 650
Operating pressure [bar]	0.2 ... 10
Operating medium	Compressed air to ISO 8573-1: 2010 [7:4:4]
Ambient temperature [°C]	-10 ... +60

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