Vacuum electric gate valve
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Details
Product name: Vacuum electric gate valve | ||||||
Product model: Zk944H(Y) | ||||||
Pressure grade: PN1.0~10MPa | ||||||
Product specification: DN50~800mm | ||||||
Product material: Carbon steel and stainless steel | ||||||
Applicable temperature: ≤425℃ | ||||||
Medium available: Water, steam. | ||||||
The manufalture and aueptanle specigication shan be based on the japanese standard E101 | ||||||
applied for the thermal powerand JB/T3595-93 | ||||||
The length shall bein line with E101 or by user's speeification. | ||||||
Welding groove shan be in auordanle with power industrh spe-cification 78DG or hg user' | ||||||
specification | ||||||
The size in inclose is old production's size | ||||||
Property and specifiecation | ||||||
Product type | Nominal pressure | Test pressure | Working pressure | Working temperatrue | Appicable medium | |
Sheel test | Seal test | |||||
Z960Y-250 | 25 | 37.5 | 27.5 | - | ≤425 | Water,steam |
Z960Y-320 | 32 | 48 | 36 | - | ≤425 | |
Z960Y-P54100 | - | 30 | 22 | P5410 | ≤540 | Steam |
Z960Y-P54170 | - | 48 | 36 | P5417 | ≤540 | |
Matecrial for main parts | ||||||
Part name | Material designation | |||||
Body | WCB | WC6 | WC9 | |||
Disc | WCB | WC6 | WC9 | |||
Bonnet | 25 | 12Cr1Mo1VA | ||||
Stem | 1Cr17Ni2 | 12Cr1Mo1VA | ||||
Seat | 25 | 12Cr1Mo1VA | ||||
Sealing ring | S soft steel(flexible graphite) | S soft steel | F soft steel | |||
Packing | Fexible graphite | |||||
Yoke | WCB | WCB/WC6 | ||||
Stem nut | 45(ZCuZn25A16Fe3Mn3) | |||||
Four piece ring | 1Cr13 | 20Cr1MoVA |