Liquid ammonia needle valve Stainless steel needle valve
Model: AJ23W-160P AJ13W-160P AJ63W-160P
Alias: external thread needle stop valve
Introduction to liquid ammonia needle valve:
External thread needle stop valve, liquid ammonia needle valve and stainless steel needle valve are widely used in various fields and industries such as oil products, chemical industry, scientific research, power station, coal mine, natural gas, ship, environmental protection engineering construction, machinery, metallurgy, paper making, energy, biomedicine, refrigeration, food, etc.
Material of main parts of external thread needle stop valve:
| Stainless steel liquid ammonia needle valve |
| Valve body | 20# A105 SS304 SS304L SS316 SS316L |
| Bonnet gasket | PTFE |
| Valve cover | 20# A105 SS304 SS304L SS316 SS316L |
| Packing pad | PTFE， Flexible graphite, metal packing |
| filler | PTFE flexible graphite |
| Packing gland | 20# A105 SS304 SS304L SS316 SS316L |
| Stem | 20# A105 SS304 SS304L SS316 SS316L |
| Handwheel | 20# A105 SS304 SS304L SS316 SS316L |
| Cap nut | 20# A105 SS304 SS304L SS316 SS316L |
| packing | Wooden case, carton, |
Manufacturing standard of stainless steel needle valve:
1. Manufacturing standard: GB/T12224-2005 JB/T7747-1995
2. Connection type: nozzle butt welding connection
3. Structural features: conical seal, movable valve disc
4. Valve inspection and test: GB/T13927-1992
5. Nominal pressure:≤ 10000Psi
6. Applicable working temperature: - 29 ℃~+538 ℃
7. Applicable media: water, oil, gas and corrosive and non corrosive media
8. Nominal diameter: DN6, DN10, DN15, DN20, DN25
“ YongLong” Yonglong Machinery, which came to Shanghai in 1993, is an agent processing company specialized in designing, developing, producing and selling high-quality valves and accessories. As a professional manufacturer of fluid transmission products and systems, Shanghai Yonglong Valve Factory was established in 2009. After more than 20 years of development; Yonglong Valve” The valves involved include: gas stop valve, needle valve, ammonia stop valve, pneumatic stop valve, electric stop valve, gas stop valve, hydraulic stop valve, electric ball valve, pneumatic ball valve, flame arrester, flame retardant vent cap, air drain valve, automatic exhaust valve, stainless steel ball valve, melt off valve, pull off valve, flow limiting valve, electro-hydraulic valve and other unexpected products that others do not want to do, The products are produced according to ISO, API, ANSI, BS, DIN, NF, JIS, GB, JB and other domestic and international standards. The applicable media are water, steam, liquefied petroleum gas, natural gas, oil products, ammonia and other corrosive media. The main materials are carbon steel, stainless steel and other materials, and non-standard products can also be processed.
“ Shanghai Yonglong” Keep forging ahead, pursue excellence, and further promote the brand awareness with the help of modern Internet information technology. Relying on high-quality products, reasonable prices, good after-sales service, unique marketing strategies and flexible management mechanism, the company's products have strong competitiveness in the domestic valve market and are recognized and trusted by many new and old customers.
Associated valves for ammonia: Welded ammonia ball valve
