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  • Non-Slam Check Valve

    Hydraulic Braking Device

    Non-Slam Check Valve is installed in front of pump in Plant, District Heating Corporation and Ship. This hydraulic directional valve is added hydraulic braking device which helps disc closing 90% fast and 10% slowly to reduce shock and noise transmitted to the pipe by back-flow when the pump stop working.

  • Hydraulic Directional Valve

Specification

Specification
Range
Application
Size
8”(200A) - 72”(1800A)
Fluid
Water, Air, Steam, Gas, Sea Water
Rating
JIS 10K, 20K, ANSI 150#, 300#, PN10, 16, 20, AWWA C504, KS B 2333
End Connection
Flanged
Temp. Range
-40℃ - 400℃
Materials Body
A216-WCB, A536 Gr, A351-CF8, A351-CF8M, A351-CF3, A351-CF3M B148 C95800 etc
Materials Disc
A216-WCB, A536 Gr, A351-CF8, A351-CF8M, A351-CF3, A351-CF3M B148 C95800 etc
Materials Seat
Rubber (EPDM, BUNA-N etc) Stellite Welding, A240-304, A240-316 etc, Rubber Lining

Dimension Table

Dimension Table ￠d L A1 A2 A3(Ref.) A4(Ref.) H(Ref.)
400 216 480 470 600 660 780
450 222 520 490 600 680 820
500 229 550 520 600 710 880
600 267 620 560 820 815 950
700 292 700 645 820 900 1,050
800 319 760 690 820 940 1,200
900 330 820 750 1,200 1,240 1,300
1,000 410 900 920 1,200 1,240 1,500
1,100 450 970 1,000 1,200 1,320 1,600
1,200 470 1,050 1,100 1,200 1,480 1,700
1,350 530 1,170 1,200 1,200 1,580 1,800
1,500 530 1,270 1,300 1,300 1,700 2,000
1,650 530 1,350 1,400 1,300 1,800 2,200
1,800 550 1,450 1,450 1,300 1,850 2,400
Hydraulic Directional Valve