BTV

Systemair AB
Industrivägen 3, SE-739 30 Skinnskatteberg
Tel [phone], Fax [phone]
[e-mail] • www.systemair.com
BTV
Technical data
Pressure class PN16
Connection Female threaded
Flow characteristics Equal percentage
Rangeability 100:1
Stroke 20 mm
Media Hot or cold water, cooling systems (max 50% glycol), and steam
Leakage None
Temperature range -5...+140°C
Thread The valves have female threaded connections according to ISO 228/1
Material
Body Rg5 (gunmetal SS 5204)
Plug parabol Stainless steel
Stem Stainless steel
Packing box O-ring EPDM
Models
Dimensions and pressure drop diagram
Measurements in mm
DN:
d A b H B c NV
15 G1/2’’ 70 11 90 62 47 30
20 G3/4’’ 75 13 90 62 47 36
25 G1’’ 90 14 104 76 56 42
32 G1 1/4’’ 105 17 104 64 44 52
40 G1 1/2’’ 120 18 120 67 50 58
50 G2’’ 145 20 124 77 60 70
Connection Kvs Max. diff. pressure
BTV15-1,0
DN15 1.0 1.6 MPa
BTV15-1,6
DN15 1.6 1.6 MPa
BTV15-2,1
DN15 2.1 1.6 MPa
BTV15-2,7
DN15 2.7 1.6 MPa
BTV20-3,9
DN20 3.9 1.6 MPa
BTV20-6,3
DN20 6.3 1.6 MPa
BTV25-10
DN25 10 1.6 MPa
BTV32-16
DN32 16 1.6 MPa
BTV40-27
DN40 27 1.6 MPa
BTV50-39
DN50 39 1.6 MPa