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DZ41Y美標(biāo)低溫閘閥適用標(biāo)準(zhǔn)：
鋼制閘閥，API600/API 6D
鋼制閘閥，ISO 10434/ISO 14313
溫度和壓力，ASME B16.34
結(jié)構(gòu)長度，ASME B 16.10
端法蘭， ASME B 16.5
對焊端，ASME B 16.25
試驗標(biāo)準(zhǔn)，API 598/API 6D

美標(biāo)低溫閘閥設(shè)計說明：
栓接閥蓋
全通型
明桿
剛性或彈性閘板
可更換閥座
鍛造T型頭閥桿
升降式或非升降式手輪
法蘭或?qū)付?br>可安裝傘齒輪

美標(biāo)低溫閘閥標(biāo)準(zhǔn)材料規(guī)范：

NO.	Part Name	ASTM Material
NO.	Part Name	Carbon steel	2.5Ni	3.5Ni	304 Type	316Type	304L Type	316LType	20 Alloy
1	Body	A352LCB	A352LC2	A352 LC3	A351 CF8	A351CF8M	A351CF3	A351CF3M	A351 CN7M
2	Bonnet	A352LCB	A352LC2	A352 LC3	A351 CF8	A351CF8M	A351CF3	A351CF3M	A351 CN7M
3	Wedge	LCB+304 "1	LCB+304 "1	LCB+304 "1	A351 CF8	A351CF8M	A351CF3	A351CF3M	A351 CN7M
4	Stem	A182 F304	A182 F304	A182 F304	A182 F304	A182 F316	A182 F304L	A182 F316L	20-Alloy
5	Seat Ring	A182+F304 "1	A182+F304*1	A182+F304*1	NA				NA
6	Back Seat	A276 304	A276 304	A276 304	NA				NA
7A	Bonnet Gasket	304+ graphite	304+ graphite	304+ graphite	304+ graphite	316+ graphite	304L+ graphite	316L+ graphite	316+ graphite
7B	Ring Gasket	Soft steel	A182 F304	A182 F304	A182 F304	A182 F316	A182 F304L	A182 F316L	20-Alloy
8	Bonnet Bolt	A193 L7	A193 L7	A193 L7	A193 B8	A193 B8M	A193 B8	A193 B8M	A193 B8M
9	Bonnet Nut	A194 4	A194 4	A194 4	A19 4 8	A194 8M	A194 8	A194 8M	A194 8M
10	Packing	Graphite	Graphite	Graphite	Graphite *2	Graphite *2	Graphite *2	Graphite *2	Graphite *2
11	Gland	A276 410	A276 410	A276 410	A276 304	A276 316	A276 304L	A276 316L	20-Alloy
12	Gland Flange	A352LCB	A352LC2	A352 LC3	A351 CF8	A351 CF8	A351 CF8	A351 CF8	A351 CF8
13	Eyebolt	A193 L7	A193 L7	A193 L7	A193 B8	A193 B8	A193 B8	A193 B8	A193 B8
14	Eyebolt Nut	A194 4	A194 4	A194 4	A194 8	A194 8	A194 8	A194 8	A194 8
15	Eyebolt Pin	A276 410	A276 410	A276 410	A276 304	A276 304	A276 304	A276 304	A276 304
16	Greas Fitting	Commercial	Commercial	Commercial	Commercial				Commercial
17	stem Nut	Bronze	Bronze	Bronze	Bronze				Bronze
18	Jam Nut	Carbon steel	Carbon steel	Carbon steel	Stainless steel				Stainless steel
19	Hand Wheel	Malleable iron	Malleable iron	Malleable iron	Malleable iron				Malleable iron
20	Wheel Nut	Carbon steel	Carbon steel	Carbon steel	Carbon steel+Zn				Carbon steel+Zn
*1	PN≥600 CLASS seal face will be HF
*2	PTFE Optional
*3	Ductile Ni-Resist iron Optional
NA	Integral with vessell