API 600铸钢闸阀

API 600 Cast Steel Gate

Z41H Z40H Z41Y Z4OY Z41W Z40W  压力范围：Class 150Lb-1500Lb 1500psi-5000psi 1.6Mpa-250Mpa
弹性阀座：Z40H-150Lb Z4OY-150Lb Z40W-150Lb Z40H-300Lb Z4OY-300Lb Z40W-300Lb~1500Lb
契式闸阀：Z41H-150Lb Z41Y-150Lb Z41W-150Lb Z41H-300Lb Z41Y-300Lb Z41W-300Lb~1500Lb
Y　硬质合金　Horniness          H 合金钢　Alloyed steel

    即使在理想的实验室测试环境下，不考虑法兰光洁度和密封垫负载，API 600
所规定的没有石墨的标准密封垫也被认为不适用于低排放场合。在测试了几种替代
密封垫后，我们选择了在我们的测试中表现性能的密封垫 - 带石墨填料通路
的波纹钢板密封垫。

　　Standard corrugated steel gaskets without graphite as specified in API 600 were found to be an unacceptable choice for low emission service, even under ideal laboratory test conditions, and regardless of flange finish and gasket load. After testing several alternative gaskets, we selected the best performing gasket in our tests - a corrugated steel gasket with graphite filled channels.

API 600 铸钢闸阀概述 及使用材料

1. 更安全、更紧密地阀杆密封。
   Safer and tighter stem seal.
2. 又短又窄的填料腔改善了密封性能。
   Short and narrow packing chamber improves sealing effectiveness.
3. 配置双填料和无泄漏的长寿命防泄漏填料腔或单填料。
   双填料：经过4000 psi压缩的两套石墨填料密封环。也可选择一个套环和leak-off，用于消除泄漏现象。
   单填料：在编织环之间放置三个或四个石墨环，密度80-90磅/立方英尺。
   Long-life leakproof packing chamber with double packing and leak-off or single set packing.
   Double packing: two sets of graphite packing rings compressed to 4000 psi. A lantern ring and leak-off provide option for removal of leakage, if any, from lower packing set.
   Single set packing: three or four graphite rings between braided rings, 80-90 lbs./cu. ft. density.
4. 动负载。
   两套免维护长期保持阀杆紧密性的Belleville弹簧。
   Live-loading.
   Two sets of Belleville springs keep stem tight for long periods of time without maintenance.
5. 两件式阀杆驱动可在线更新。
   Two-piece stem drive is renewable in-line.
6. 更有效的防泄漏阀体-阀帽连接。
   150磅级：石墨填充波纹钢板密封垫。
   300-600磅级：全封闭螺旋缠绕石墨填充不锈钢密封垫。
   Stronger leakproof body-bonnet joint.
   Class 150: Corrugated graphite-filled steel gasket.
   Class 300-600: Fully-encased spiral wound graphite-filled stainless steel gasket.
7. 300，600，900和1500磅级配置圆形阀帽和封闭密封垫。
   Classes 300, 600, 900 and 1500 have round bonnet and encased gasket
   钨铬钴合金6硬面的焊接装配阀座。
   Welded-in seats hardfaced with Stellite 6.
8. 柔性一件式楔板，采用钨铬钴合金6或13 CR硬面（DN200以上采用实心13 CR）。
   Flexible one-piece wedge, hardfaced with Stellite 6 or 13 CR (solid 13 CR up to 8").
9. 13 CR硬化的阀杆，接近镜面的抛光度，延长填料的使用寿命。
   13 CR hardened stem with mirror-like, burnished finish for longer packing life

规格  主要尺寸和重量   Size Main Dimensions and Weight

DN		150Lb凸面法兰（RF）     主要尺寸   Dimensions（mm）								重量(kg) Weight
mm	in	L	D	D1	D2	b	n-φd	H	D0
15	1/2	108	89	60.5	35	11.2	4-16	169	100	5
20	3/4	117	98	69.9	43	12.7	4-16	192	100	6.1
25	1	127	108	79.2	51	14.2	4-16	230	120	9
32	11/4	140	117	89	63	16	4-16	246	120	12
40	11/2	165	127	98.6	73	17.5	4-16	283	150	17
50	2	178	152	120.7	92	19.0	4-19	323	150	23
65	21/2	190.5	178	139.7	105	22.4	4-19	347	180	45
80	3	203	190	152.4	127	24	4-19	383	200	50
100	4	229	229	190.5	157	24	8-19	457	200	63
125	5	254	254	216	186	24	8-22.5	632	250	89
150	6	267	279	241.5	216	25.4	8-22.5	635	250	108
200	8	292	343	298.5	270	28.4	8-22.5	762	280	171
250	10	330	406	362	324	30.2	12-25.4	892	300	263
300	12	356	483	431.8	381	32	12-25.4	1080	350	346
350	14	381	533	476.3	413	35	12-29	1295	350	488
400	16	406	597	539.8	470	36.6	16-29	1435	400	621
450	18	432	635	577.9	533	39.6	16-32	1626	400	814
500	20	457	398	635	584	43	20-32	1829	450	992
600	24	508	813	749.3	692	48.8	20-35	2175	500	1492
650	26	559	786	744.5	711	51.3	36-22.5	2235	550	1801
700	28	610	837	795.3	762	44.5	40-22.5	2310	600	1933
750	30	610	887	846	813	44.5	44-22.5	2695	600	2272
800	32	660	941	900	864	46	48-22.5	3708	--	--
900	36	711	1057	1009.7	927	52.3	40-25.4	3924	--	--
1000	40	812	1175	1120.6	1080	55.6	44-25.4	4318	--	--

1. 高度不包括执行机构。
   Height does not include actuator.
2. 齿轮执行机构。
   Gear actuator.
3. 300磅级以上的对焊和法兰阀门具有相同的面到面尺寸。
   Butt weld and flanged valves have the same end-to-end dimensions for Class 300 and up.

    

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