Throttle valve 521 VS

These hydraulic elements are used for one-way throttling of the work fluid‘s flow rate. The intensity of throttling can be regulated with the aid of a rotary sleeve.

Technical data:

Name and symbol Units Value

Nominal pressure MPa 16

Opening pressure of back valve kPa max. 50

Work fluid mineral oil 20 - 400 mm².s_¹

We carry the following modifications of this valve:

Catalogue number Type of device Diameter Threading Weight

562 800 521 VS-6 6 M14 x 1.5 0.55

563 800 521 VS-8 8 M16 x 1.5 0.55

564 800 521 VS-10 10 M18 x 1.5 0.55

565 800 521 VS-13 13 M22 x 1.5 2.1

566 800 521 VS-15 15 M27 x 1.5 2.1

567 800 521 VS-20 20 M30 x 1.5 2.1

Check valves 513VZJ-10-A (cat. No. 541 801)

This hydraulic element is used for controlling one-way flow rate of the work fluid. The flow direction is marked with an arrow; the flow of the fluid is closed in the opposite direction.

Name and symbol	Units	Value
Nominal pressure	MPa	16
Opening pressure	kPa	50
Resistance at nominal flow rate	kPa	30
Work fluid	mineral oil
Work temperature	-40°C to + 85°C

Technical data:
Name and symbol	Units	Value
Nominal pressure	MPa	16
Opening pressure of back valve	kPa	max. 50
Work fluid	mineral oil 20 - 400 mm².s_¹

Catalogue number	Type of device	Diameter	Threading	Weight
562 800	521 VS-6	6	M14 x 1.5	0.55
563 800	521 VS-8	8	M16 x 1.5	0.55
564 800	521 VS-10	10	M18 x 1.5	0.55
565 800	521 VS-13	13	M22 x 1.5	2.1
566 800	521 VS-15	15	M27 x 1.5	2.1
567 800	521 VS-20	20	M30 x 1.5	2.1