DUAL PLATE CHECK VALVE

Mã SP: DD

MODEL NO. DD

 

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MODEL NO. DD

Dual Plate Check Valve

PRESSURE DROP CHART

Dual Plate Check Valve2

SPECIFICATION

Size 2″(50A) ~ 60″(1500A)
Service Oil, Water, Air, Steam, Sea Water..etc.
Rating JIS 10K, JIS 20K, Class 150~2500, AWWA C207..etc.
Pipe connections Water, Lug, Double, Flange, Buttwelding, Hub
Materials ①Body Cast Iron, Stainless Stell, Duplex, NI_AI_Bronze..etc.
②Disc Stainless Steel, Duplex, NI_AL_Bronze..etc.
③Pin Stainless Steel, Duplex, NI_AL_Bronze..etc.
④Spring Stainless Steel, Inconel..etc.
⑤Seat Rubber, PTFE, Stainless Steel, Stellite Overlay.

FLOW CHARACTERISTICS

[Flow Coefficient]

Size Kv Cv
in mm
2 50 54 62
65 76 88
3 80 148 171
4 100 318 368
5 125 420 485
6 150 738 853
8 200 1323 1530
10 250 2418 2795
12 300 3598 4160
14 350 4963 5738
16 400 7382 8534
18 450 9290 10740
20 500 12240 14150
25 600 19800 22890

[Flow rete rate for full open]

Size Critical velocity (m/s) Critical Flow rate (m3/hr)
in mm
2 50 1.5 11
65 1.5 18
3 80 1.7 30
4 100 2.2 61
5 125 2.0 87
6 150 2.1 136
8 200 2.4 268
10 250 2.2 395
12 300 2.2 560
14 350 2.0 687
16 400 2.2 987
18 450 2.0 1129
20 500 2.3 1642
25 600 2.4 2487