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进口低温针型阀
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- 产品品牌德国汉克(HANK)
本公司专业代理、销售、供应德国汉克(HANK)进口低温针型阀产品,最新最全的优质进口低温针型阀品牌厂家推荐,欢迎来电洽谈与合作,咨询热线:0755-61280628。
进口低温针型阀主要用于液氧(液氮、液氩)等空分管路、贮槽、槽车的低温液态介质系统上,具有开关灵活、密封可靠、耐压等特点。
Series 3000 bar stock, screwed bonnet type needle valves are available in brass, 303 and 316 stainless steel with working pressures to 5000 Psig in 1/8” to 1/2” sizes. The unique, externally adjustable, wear compensating, virgin PTFE stem packing offers long trouble free service life in most liquid or gas applications. A wide variety of options including panel mounting, metal to metal seat, soft stem tip and taper proof cap, the Series 3000 provides economical, quality solutions for the most demanding applications. Valves can be ordered cleaned and packaged for oxygen service.
Features
1、Adjustable PTFE Stem Packing
2、Excellent Gauge Isolation Valve
3、Wide variety of options to suit many diverse applications
4、Available in 303 SS as an economical alternative to 316 SS (where applicable)
5、100% factory tested
Technical Data
Maximum Operating Pressure @ 100° F (38 ° C) Brass: 3000 Psig (207 Bar)
Stainless: 5000 Psig (345 Bar)
Flow Coefficient
Globe (.187” Orifice): 0.40 Cv Block (.312” Orifice): 0.90 Cv
Temperature Ratings
Metal to Metal Stem: -320° F to 400°F (-195° C to 204°C) Kel-F Tip Stem: -65° F to 200°F (-54° C to 93°C)
Leakage
External leakage - zero.
Maximum allowable seat leakage - 0.1 cc/min @ 3000 psig (207 Bar) Nitrogen
Materials of Construction
Component | Valve Body Material | ||
Brass | 303Stainless | 316Stainless | |
Valve Body, Bonnet Packing Nut | Brass, ASTM B16 | 303 SS, ASTM A582 | 316 SS, ASTM A479 |
Stem1 | 303 SS, ASTM A582/Kel-F (CTFE) | 316 SS, ASTM A479/Kel-F (CTFE) | |
Handle2 | Brass, ASTM B16, (Nickel Plated, ASTM 689) | ||
Set Screw | ANSI B18.3 (Alloy Steel) | ||
Packing | Virgin TFE | ||
Panel Nut | Brass, ASTM B16 | Brass, ASTM B16, (Nickel Plated, ASTM 689) | |
Tamper Proof Cap | N/A |
Dimensional Data
Pipe Size(NPT) | PORT CONFIGURATION | Orifice | Cv | A (Open) | B (Square) | C | D | |
INLET | OULET | |||||||
1/8” | Female | .187” | 0.40 | 2-1/4” | 3/4" | 1-5/8” | 3/8” | |
Male | ||||||||
Male | Female | |||||||
1/4” | Female | 1-13/16” | ||||||
Male | ||||||||
Male | Female | |||||||
3/8” | Male | 1/2” | ||||||
Female | .312” | 0.90 | 2-7/16” | 1” | 2-3/16” | |||
Male | Female | |||||||
1/2” | Female | |||||||
Male | ||||||||
Male | Female |
标签:   低温针型阀 进口低温针型阀