شیر بک فیلتر دوراویس ترکیه
- Size : 11/2 in
- Valve Body and cover : Die Cast Aluminum
- Diaphragm/Seat Seal: TPE
- Plunger Seal : H-NBR
- Enclosing Tube: Stainless Steel
- Springs : Stainless Steel
- Shadings: Copper
- Valve Seat : Aluminum
- Other internal Metal Parts : Stainless Steel
- Cover Screws : Stainless Steel
- Internal and External O-ring : NBR