Power supply cut-off valve

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Power supply cut-off valve

Information Name:	Power supply cut-off valve
Published:	2011-03-30
Validity:	30
Specifications:
Quantity:	0.00
Price Description:	Negotiable
Detailed Product Description：	Electric cut-off - check valve J961Y Nominal diameter: DN200 Major parts material: Name J961Y-PW505.3V Chrome molybdenum vanadium steel body Cr-Mo steel seat Chrome molybdenum vanadium steel valve Nitriding steel stem Carbon steel brackets The main dimensions and connecting dimensions: Model: J961Y-PW505.3V DN L H1 H2 D1 D2 pipe size 200 800 231 1330 194 222 Φ219 × 12 Check Valve First, use: Installed in the gas, water pipeline, as an automatic safety device to prevent the upstream medium. Second, the structural characteristics 1. Valve flap in the valve body, the next move, when the media back when, by medium pressure valve closes automatically. Some of the valve with spring assisted valve closed. 2. Seat sealing surface cobalt based alloy plasma spray formed. Sealing surface of high hardness, abrasion resistance, scratch resistance, long service life. 50; PN20 ~ 25 valve, valve cover is the forging of the valve flap is the overall quenching. 50; PN10 DN50 and above valve body, valve cover is cast in the same time, valve sealing surface welding of cobalt-based alloy. Third, pay attention: 1. Valve vertical installation. 2. Note that the media flow from the bottom up flow (positive flow). Electric check valves

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