Directly buried extension rod elastic seal gate valve
Place of Orign :China
Product name: Directly buried extension rod elastic seal gate valve
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Purpose:
This valve is mounted on various underground pipeline and used as a bi-way installation for tap water, sewage treatment etc.
Characteristics:
1.Directly buried technique, no need of a gate well, reducing the laboring for installation and construction and the buried depth can be adjusted.
2.Long life, without internal leak, of the merits with an elastic gate valve,
3.No affection to the traffic, safe and reliable, integrated with the underground portion, effectively protected against robbing.
Main parts material:
| Part name | Material |
| Body | Ductile iron |
| Fashboard | Ductile iron +EPDM |
| Cover | Ductile iron |
| Gland | Ductile iron |
| Stem | 2Cr13 |
| Pressure cover | High density PE |
| Connection pivot | 45#(Surface is plated with zinc-nickel alloy) |
| Lower pillar | PE |
| Protective sleeve of pillar | High density PE |
| Bushing | Q235(Surface is plated with zinc-nickel alloy) |
| Shaft sleeve/pivot | 45#(Surface is plated with zinc-nickel alloy) |
| Case /case cover | Ductile iron |
Performance specification:
| Normal pressure (Mpa) | Body test pressure (Mpa) | Sealing test pressure (Mpa) | Applicable medium | Applicable temperature (°C) |
| 1.0 | 1.5 | 1.1 | water | 0~80 |
| 1.6 | 2.4 | 1.76 | ||
| 2.5 | 3.75 | 2.75 |
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
| Ln | 178 | 190 | 203 | 229 | 254 | 267 | 292 | 330 | 356 | 381 | 406 | 432 | 457 | 508 |
| H (min)(full close) | 313 | 332 | 372 | 424 | 497 | 562 | 680 | 837 | 948 | 1010 | 1220 | 1280 | 1480 | 1665 |
| H (max)(full open) | 355 | 375 | 415 | 476 | 540 | 600 | 720 | 875 | 990 | 1050 | 1245 | 1310 | 1560 | 1750 |