ไซเลนซ์เช็กวาล์ว สำหรับงานระบบท่อส่งน้ำดับเพลิง ANSI Class 125
แรงดันใช้งาน 200 ปอนด์ต่อตร.นิ้ว

มาตรฐาน FM
ผลิตภัณฑ์สหรัฐอเมริกา

Designed and engineered for silent operation with low head loss in a compact wafer body. Specially designed spring controls the closure of Val-Matic Silent Check Valves...closing valve disc in advance of flow reversal, thereby preventing wafer hammer and damaging shock normally assciated with valve shut off.

* Ideal for clean water service only.
* Silent Operation - fast closure to prevent check valve slam water hammer.
* Precision metal-to-metal seating
* Expanded body - provides full flow area
* Double guided disc - prevents vibrations and wear
* Resilient seat - available for zero leakage
* Heavy duty spring is tested for over 100,000 cycles
* Able to installed in all flow directions

Materials of Construction
Body: Cast Iron
Seat : Bronze
Plug: Bronze
Spring: Stainless Steel
Bushing: Bronze
Screw: Stainless Steel

FM approved