Fire fighting FM/UL/ULC Standard 300PSI Gate Valve fire protection OSY Rising stem Flanged End
一、Certificates: FM UL ULC
二、Application: Fire inflow water, drain pipe, high-rising building fire fighting system, industrial factory building fire protection system.
Design standard: AWWA C515
Structure :Outside screw and yoke
End connection: Flange at both side
Flange standard: ASME/ANSI B16.1 Class 125 or ASME /ANSI B16.42 Class 150 or BS EN1092-2 PN16 or GB/T9113.1
Normal pressure:300 PSI
Normal size: 2.5’’-12’’
1. Wedge coated by high performance rubber through newest vulcanization technology to make sure precise dimension, good sealing and high corrosion resistance
2. Tight junction inner trim structure to assure longlife operation.
3. The bottom of gate valve adopted straight-through design, no foreigh matter store to make sure smooth flow and reliable sealing
4. Self-sealing design between the bonnect and body make the sealing more tight when pressure is higher wthin the allowable pressure range.
5. Multiple sealing structure to pretect the stem under pessure during operation maintenance , no damage to the operator.