浙江磅級(jí)電動(dòng)電站閘閥制造驗(yàn)收技術(shù)標(biāo)準(zhǔn) 1、制造驗(yàn)收技術(shù)條件按日本火力發(fā)電用閥標(biāo)準(zhǔn)的E101的規(guī)定。 2、閥門結(jié)構(gòu)長度按E101的規(guī)定。 3、閥體焊接坡口按ANSl B16 25的規(guī)定或按用戶提供的尺寸。 Mahufacture and Acceptanle stanelard 1、The manufaceture and acceptance specification shall be based on the japanese stand ard E101 applied for th thermal power plant 2、The 1ength shall be in line with E101 3、Valve body weldi ng grouve shall be in all ordance wieh ANSlBl6.25 orwieh aser’s specificate ■浙江磅級(jí)電動(dòng)電站閘閥適用規(guī)范 APPlicable specification
殼體材料 Shellmaterial
適用溫度/℃ Applicable temperature
適用介質(zhì) Applicable medium
ASTM A216 WCB
≤425
蒸汽、水 Steam,Water
ASTM A217 WC1
≤450
ASTM A217 WC6
≤550
ASTM A217 WC9
≤590
■主要零件材料
殼體材料 Shell material
材料牌號(hào)Mater…Designation
閥體 Body
WOB
WC1
WC6
WC9
閘板 Disc
WCB
WC1
WC6
WC9
閥蓋 Bonnet
25
15CrMoVA
12CrMoVA
12CrMoVA
WCB
WCl
WC6
WC9
閥桿 Stem
38CrMoVA 1Cr17Ni2
38CrMoVA 10r17Ni2
38CrMoVA
38CrMoVA
20CrlMolV1A
20Cr1MoVA
填料 Packing
增強(qiáng)柔性石墨 Flexible Graphite
支架 Yoke
WCB
WCB
WCB
WCB
WC1
WC6
WC9
密封環(huán) Sealing ring
S軟鋼(增強(qiáng)柔性石墨) S Soft steel(flexible graphite)