شیر برگشت فوم Foam Concentrate By Pass Valve
شیر برگشت فوم سیستم اطفاحریق فوم Foam Concentrate By Pass Valve
Description
- Bronze or Stainless steel construction
- 40 & 50 mm (1.5″ & 2″ ) size
- Female BSP end connection
- Suitable for use in Balance Pressure Foam Proportioning System