background image

DA 56, DAF 56 

6-0-5 XX

Differential pressure controller 

2007.07

Technical description

Application:

Heating and cooling systems with variable flow.

Function:

Differential pressure control over the load.

DA 56: Installation in return pipe.

DAF 56: Installation in inlet pipe.

Pressure class:

PN 25 or PN 6 (DN 00 and 25)

Max. differential pressure:

600 kPa = 6 bar

Temperature:

Max. working temperature: 40°C

Min. working temperature: -0°C

Setting range:

Differential pressure adjustable in ranges 5-30, 0-60, 

0-00 and 60-50 kPa.

Media:

Water and neutral fluids, water-glycol mixtures.

Material:

Valve body: Ductile iron EN-GJS-400-8LT

Diaphragms and gaskets: EPDM

Adjustment ring: DN 5-50 Ryton plastic, 

DN 65-25 R St 37-2 steel.

Surface treatment:

Electrophoretic painting.

Marking:

TA, DN, PN, GGG 40.3, Kvs, 

D

p and flow direction arrow.

Flanges:

DN 5-50 (optional): According to EN-092-2:997, type 6.

DN 65-25: According to EN-092-2:997, type 2.

Summary of Contents for DA 516

Page 1: ...perature Max working temperature 140 C Min working temperature 10 C Setting range Differential pressure adjustable in ranges 5 30 10 60 10 100 and 60 150 kPa Media Water and neutral fluids water glyco...

Page 2: ...112 125 150 12 2 6 52 761 040 40 50 G2 146 162 190 30 5 8 10 60 kPa TA No DN d D L L1 Kvs Kg PN 25 52 760 020 15 20 G1 97 106 116 4 1 5 52 760 025 25 32 G1 1 4 112 125 150 12 2 6 52 760 040 40 50 G2...

Page 3: ...20 254 254 150 58 5 30 kPa TA No DN D L L1 Kvs Kg PN 16 52 760 490 100 320 254 254 150 58 52 760 491 125 320 254 254 150 58 PN 25 52 760 065 65 210 160 160 60 18 52 760 080 80 210 160 160 60 18 52 760...

Page 4: ...4 112 125 150 12 2 6 52 761 140 40 50 G2 146 162 190 30 5 8 10 60 kPa TA No DN d D L L1 Kvs Kg PN 25 52 760 120 15 20 G1 97 106 116 4 1 5 52 760 125 25 32 G1 1 4 112 125 150 12 2 6 52 760 140 40 50 G2...

Page 5: ...20 254 254 150 58 5 30 kPa TA No DN D L L1 Kvs Kg PN 16 52 760 590 100 320 254 254 150 58 52 760 591 125 320 254 254 150 58 PN 25 52 760 165 65 210 160 160 60 18 52 760 180 80 210 160 160 60 18 52 760...

Page 6: ...ale thread L1 d2 d1 L1 D d1 D L1 d1 For welding With flange Attention Can be used on the inlet side only TA No d1 D L1 52 759 315 G1 20 8 37 52 759 320 G1 26 3 42 52 759 325 G1 1 4 33 2 47 52 759 332...

Page 7: ...r impulse pipe p to the pipeline upstream the consumer In case of DAF 516 connect another copper impulse pipe p downstream the consumer from behind the controller In case of a horizontal pipeline conn...

Page 8: ...125 1 Principle is the same as DN 15 50 except there is no mark which shows how the p changes at one turn of the setting wheel and also there is no fixing screw and no leaden seal to secure the settin...

Reviews: