UL/FM LUG Butterfly Valves-Lug style
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مواصفات المنتج
| الماركة | Firewall Valve |
| الحالة | New |
| الكفالة | YES |
| المادة | Aluminum |
مواصفات المنتج
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Valve pressure rating 250 psi wwp
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Lug style
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EPDM molded-in seat liner
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Designed for normally closed position monitoring
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Ductile iron disc
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Stainless steel stem with copper bushings
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Geometric drive
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Extended neck
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Operating mechanism: Manual gear operator
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UL/ULC Listed
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FM Approved
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UL Listed for Indoor and Outdoor Service
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Conforms to MSS SP-67
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Size range 2½” to 12”
UL/FM ductile iron butterfly valve is designed specifically to meet the rigorous requirements of automatic sprinkler systems. The unique EPDM molded-in seat liner with ductile iron disc provides bubble-tight shutoff at rated pressure. These valves are installed and monitored in fire protection applications where they remain in the normally closed position. A typical application would be fire pump test bypass lines. With the internal stem/disc geometric drive design there is no need for pins or bolts that may create leak paths or turbulence in the waterway
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