2/2-way- 1- or 2-step dosing valve

Type 537

Technical data:

Mounting:		vertical position
Flow direction:		fixed
Operating medium:		observe the constancy of material
Operating temperature:		max. 80º C (higher on request)
Surrounding temperature:		max. 60º C
Control medium:		Compressed air (filtered, oiled recommend)
Control connection:		coarse "Z" = G 1/4" fine "Y" = G 1/4"
Filling volume actuator:		Ø50                    Ø70 coarse = 0,06 NI         0,11 NI fine = 0,02-0,06 NI     0,05-0,11
Switching actuations:		1.800/h (viscosity dependent)
Heating jacket connection:		G 1/2"
Heating medium:		all neutral media
Heating pressure:		max. 5 BAR
Heating temperature:		max. 150° C

Index size

Nominal diameter mm double seat	DN mm	Connection	Operating pressure BAR	Control pressure BAR	Kv-value m3/h	Actuator mm
8/ 2 15/ 3 20/ 3 25/ 8 32/ 8 40/15 50/15 65/20	8 15 20 25 32 40 50 65	G1 1/4" G1 1/4" G1 1/4" G1 1/4" G1 1/4" G2" G2" G2 1/2"	0 - 6 0 - 6 0 - 6 0 - 6 0 - 6 0 - 6 0 - 6 0 - 4	5 - 10 5 - 10 5 - 10 5 - 10 5 - 10 5 - 10 5 - 10 5 - 10	2,0 4,4 7,8 12,5 21,4 31,0 48,8 58,0	50 50 50 50 50 70 70 70

Advantages

actuator removable without tools double-seat fine dosing several kinds of connection several kinds of material good kv-values maintenance-free service pleasant high reliability of operation dosing without drops and splashes available with heating jacket continuous adjustment from the exterior

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