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Marine Cast Steel Angle Screw Down Check Valve JIS F7474 20K

Marine Cast Steel Angle Screw Down Check Valve is called marine angle SDNR valve for short, also can be called marine angle check valve, angle non return valve, suitable for fresh water, air...

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Marine Cast Steel Angle Screw Down Check Valve JIS F7474 20K

Category: JIS Marine Check Valve
Certificate: ABS, LR, BV, DNVGL, NK, KR, IRS, RMRS, CCS
FOB Price: Get Latest Price Now
Warranty: 12 Months unless specified otherwise
Place of Origin: China
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China Marine Cast Steel Angle Screw Down Check Valve JIS F7474 20K:

Marine Cast Steel Angle Screw Down Check Valve is called marine angle SDNR valve for short, also can be called marine angle check valve, angle non return valve, suitable for fresh water, air & other gas, oil and steam pipe lines, used to shut off/turn on the medium, adjust the flow rate and prevent the medium black flow.

Technical Specification:

1.Design & Manufacturing Standard: JIS F7374-1996

2. Inspection & Test Standard: JIS 7400-1996

3. Watertight Test Pressure: Body-5.1Mpa, Seat-3.74Mpa~1.0Mpa

4. Flange Standard: JIS B2220 -20k

Max Working Pressure:

Fluid Condition Max Working Pressure（Mpa)
Steam of 400℃ 2.3
Steam of 350℃ 2.6
Steam of 300℃ 2.9
Steam of 200℃ or less 3.1
Air,gas,oil and pulsation water 3.1
Non-shock water of 120℃ or less 3.4

Main Material:

1-Body:Cast Steel

2-Seat:Stainless Steel

3-Disc: Stainless Steel

4-Stem: Stainless Steel

5-Bonnet: Cast Steel

6-Handwheel: Cast Iron

7-Packing Gland: Stainless Steel

8-Gasket: non-asbestos

Main Size List(mm)：

IMPA CODE Size L1 D C No of Bolt Hole h t H D2 Weight(kgs)
751246 32 100 135 100 4 19 18 270 160 13
751247 40 1110 140 105 4 19 18 290 160 15.2
751248 50 125 155 120 8 19 18 305 200 20
751249 65 135 175 140 8 19 20 345 224 26.9
751250 80 150 200 160 8 23 22 385 250 38.9
751251 100 170 225 185 8 23 24 440 280 54.4
751252 125 200 270 225 8 25 26 500 315 79.9
751253 150 225 305 260 12 25 28 550 355 111
751254 200 280 350 305 12 25 30 630 450 181
751255 250 310 430 380 132 27 34 725 560 283

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