1/2" High Pressure Brass Solenoid Valve 0.5–140 Bar Normally Closed
The GB15 Series is a high pressure, pilot assisted 2/2 way normally closed brass solenoid valve designed for controlling air, water, light oils and compatible gases at pressures up to 140 Bar. Featuring a robust brass body, stainless steel internals and Nass Magnet Class H coils, it provides reliable operation in demanding hydraulic, pneumatic and industrial process applications.
Available with NBR or FKM seals, the GB15 offers working pressures from 0.5 Bar to 100 Bar with 15 Watt DC coils or up to 140 Bar using the 18.5 Watt AC coil. Optional ATEX Ex m certified coils are available for hazardous area installations.
Features
✓ Pilot assisted 2/2 way normally closed valve
✓ High pressure operation to 140 Bar
✓ Brass body with stainless steel internals
✓ 13mm orifice
✓ 32.89 L/min Kv flow factor
✓ NBR or FKM seal options
✓ Nass Magnet Class H coils
✓ IP65 connector included
✓ 100% continuous duty rated
✓ Optional ATEX Ex m certified coil
✓ Optional mounting bracket
Valve Function & Operation
Function: 2/2 Way Normally Closed
Operation: Pressure Assisted
(Minimum differential pressure 0.5 Bar)
Ports & Flow Performance
Port Size: 1/2" BSP
Optional NPT thread
Working Pressure
0.5–100 Bar (15W DC Coil)
0.5–140 Bar (18.5W AC Coil)
Orifice: 13.0mm
Kv Flow Factor: 32.89 L/min
(Based on water with 1 Bar pressure drop)
Opening Time: 50–100ms
Closing Time: 100–200ms
Construction & Materials
Body: Brass
Internal Components: Stainless Steel
Seal Options: NBR or FKM
Suitable Media
Air
Water
Light oils
Neutral gases
Other fluids below 50 cSt viscosity
Temperature Range
Ambient Temperature: -15°C to +50°C
Media Temperature: NBR: -5°C to +80°C
FKM: -15°C to +185°C
Coil & Electrical Specification
Standard Coil: Nass Magnet System 13/36
18.5 Watt Class H
DIN 43650A
100% Continuous Duty
Protection: IP65 (Connector Included)
Available Voltages
12, 24, 48, 110 & 220V DC
24, 36, 48, 110 & 240V AC (50/60Hz)
ATEX Coil Option
Optional Nass Magnet 22003EX encapsulated coil.
Certification
Ex mb IIC T4 Gb
Ex mb tb IIIC T130°C Db
Suitable for Zone 21 & 22 hazardous area applications.
