Specifications
Needle Valve
Size: DN6-DN50
Pressure: 1.6-42MPA
Standard: ANSI, JIS, API, ISO
Material: SS 316, SS 304, cast steel
Needle Valve
Size: DN6-DN50
Pressure: 1.6-42MPA
Standard: ANSI, JIS, API, ISO
Material: S. S 316, S. S 304, cast steel, cast iron
Media: Water, Oil, Gas, steam, ects
Standard Vee stem, Regulating stem and Soft-seat stem available
Temperature for PTFE packing from -65oF to 450oF(-54oC to 232oC)
Temperature for Grafoil packing from -65oF to 1200oF(-54oC to 649oC)
Packing below stem thread isolates the thread lubricants from the media
PTFE ring in the gland protects stem thread from outside contamination
Specifications
Severe-Service Union-Bonnet
Needle Valves, 316ss, 8mm OD, export to Iran and USA
Stainless steel needle valves, 316ss, 8mm OD, export to Iran and USA
Working pressures up to 10 000 psig (689 bar)
Temperatures from 65 to 450° F (53 to 232° C) with PTFE packing;
Up to 1200° F (648° C) with Grafoil® Packing
316 stainless steel; Alloys 400, 20, 600, and C-276; And titanium materials
Specifications
Oil and gas Needle Valves, Compact design, pressures up to 6000psi, Temp up to 315 C, PTFE or PEEK packing
Needle Valves/Instrumentation Valve, 1/4" to 1"
Features
1. Stem Designs Vee all series
2. Hard seat and soft seat available
3. Working pressures up to 6000 psig (413 bar)
4. Temperatures up to 600° F (315° C)
5. Straight, angle, and cross patterns
6. Stem threads below packing
7. Live-loaded packing system
8. Compact design
9. Orifice sizes from 0.080 to 0.375 in. (2.0 to 9.5 mm)
10. Flow coefficients (Cv) from 0.09 to 1.80
China zhongya valve Co., Ltd. is a collection research and development, manufacturing, sales and integrated high-tech enterprises. The company is located in NO. 3511 Yongqiang Avenue Longwan District Wenzhou city Zhejiang China...The company introduces advanced technology from abroad, the modern scale production, and equips Germany processing center, Taiwan CNC machine, super precision vertical lathe, automatic painting line and special equipment, machining center, CNC machine tools, special molding, slinging cleaning, passivation treatment, ultrasonic cleaning equipment and a variety of valve pressure testing equipments. As well as equipped with photoelectric direct reading analyzer, thickness tester, radiographic, ultrasonic and liquid penetrant ect, non-destructive testing equipment to ensure that the company's products can be manufactured strictly in accordance with clients'requirements of related standard, to meet the different demands of them.
The company mainly in producing gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, supply and drainage water equipment and a variety of special non-standard special valves.
The company implements API (USA) and EN (European Union), ISO (international organization for standardization), BS (British), JIS (Japan) and GB (China) and other major advanced industrial countries and the latest standards of the national standard designing production. Valve body materials are used of carbon steel, alloy steel, chrome molybdenum steel, stainless steel, low-temperature steel, high-temperature steel, nickel base and cobalt base alloy and other materials, and materials specified by the user. Products are widely used in petroleum, chemical, natural gas, coal chemical industry, electric power, shipbuilding, pharmaceutical, paper making, beer industry, food, building, water supply, prevent pollution, and a large number of them are exported to the United States, Europe, Russia, Middle East, Japan, South Korea and southeast Asia and other regions.
