Product overview:
H74H, H74W on clip disc type check valve is an ultra-thin check valve, it has a simple structure, beautiful appearance, light weight, easy to install and other advantages.It is mainly suitable for water supply system, petroleum, chemical industry, metallurgy and other industrial departments.
Main technical parameters and scope of application:
Type | Nominal diameter | Test pressure | |
Shell | Seal | ||
H74H(W)-10 | 1.0 | 1.5 | 1.1 |
H74H(W)-16 | 1.6 | 2.4 | 1.76 |
H74H(W)-25 | 2.5 | 3.75 | 2.75 |
H74H(W)-40 | 4.0 | 6.0 | 4.4 |
Applicable temperature and media range:
Suitable temperature | Applicable medium | |
Hard seal | Soft seal | Oil, water, acid iodine and other liquids |
≤400℃ | ≤120℃≤250℃ |
Main parts and materials:
Part name | The body,disc | Sealing ring |
Material | Stainless steel | Nitrile Butadiene Rubber,Ternary propylene rubber, polytetrafluoroethylene,Stainless steel |
Main dimensions:
Nominal diameter | D | L | D | ||||
I型 | II型 | PN1.0 | PN1.6 | PN2.5 | PN4.0 | ||
50 | 25 | 15 | 22 | 109 | 109 | 109 | 109 |
65 | 38 | 15 | 22 | 129 | 129 | 129 | 129 |
80 | 46 | 15 | 22 | 144 | 144 | 144 | 144 |
100 | 72 | 15 | 24 | 164 | 164 | 170 | 170 |
125 | 95 | 16 | 26 | 194 | 194 | 186 | 186 |
150 | 114 | 19 | 29 | 221 | 221 | 226 | 226 |
200 | 140 | 29 | 43 | 275 | 275 | 283 | 293 |
250 | 188 | 29 | 43 | 330 | 331 | 343 | 355 |
300 | 216 | 38 | 50 | 380 | 386 | 403 | 420 |
350 | 263 | 41 | 52 | 440 | 446 | 460 | 477 |
400 | 305 | 51 | 62 | 491 | 498 | 517 | 549 |
450 | 356 | 51 | 62 | 541 | 558 | 567 | 574 |
500 | 406 | 65 | 80 | 596 | 620 | 627 | 613 |
600 | 482 | 70 | 90 | 698 | 737 | 734 | 750 |