Single Seat Control Valve:
Changhao valve provides the control valve, such as pneumatic/electric single seat control valve, double seat control valve, sleeve type control valve, angle style control valve, three way control valve, butterfly style control valve, V-model control valve, O-model control valve, three shut-off valve, direct role of Self-pressure, temperature control valve, etc. They are more than 100 species, and more than 500 specifications.
Detailed Product Description:
Electric pneumatic single seat (sleeve) control valve is made up of lower resistance through single seat valve or lower resistance sleeve valve attached PS or 3810 series actuator (Germany). There is a servo magnifier in the pneumatic actuator and input control single (4 - 20mA DC or 1 - 5V DC) and single-phase power to control the pressure, flow, temperature, and liquid level.
This valve is widely applied in power, gas, industry chemical, metallurgy, environment protection, light industry, teaching and scientific research areas.
Specifications:
1) Style: Through inverse S-cast valve
2) DN: DN20 - 200mm
3) PN: PN1.6, 4.0, 6.4MPa
4) Connection way: JB78-59, JB/T79.2-94 concave style
5) Material: HT200, ZG230-450, ZG1Gr18Ni9Ti, ZG0Cr18Ni12M02Ti
6) Normal temperature: -20 - +200 drgee C
7) Heat elimination: -40 - +450 drgee C
8) Gland style: Bolt compression style
9) Pecking: V-pattern PTFE, soft graphite, stainless steel mellows
10) Core style: Upper guide single seat RAM core or upper guide single seat sleeve RAM core
11) Flow characteristics: Equal percentage, linearity and quick opening
12) Actuator:
A) PS series, 3810, ZAZ (within DN100) or DKZ (above DN100) series electric
Angle stroke actuator
B) 3810 series are explosive proof
Shanghai Changhao international Co., Ltd established 2002. Is an internal whole business enterprise, which is specialized in design, manufacture, examination and Sale in insulation joints, insulating flanges, contain steel flanges, steel butt welding pipe fittings, forged pipe fittings, stainless steel pipe fittings and pipes, vales, Which covers an area of 24, 000 square meters. With 240 staffs and 80 sets of various facilities, such as Machining Center, CNC Lathe, CNC Miller, Common Lathe, Boring Machine, Miller, Driller, etc. The company possesses advanced and complete chemical, physical and pressure test equipments.
The company"s management strictly complies with the up-to-dated enterprise system. The company has attached great importance to the introduction and education for the scientific and technical staffs.
The company mainly manufactures fittings according to JIS, DIN and Chinese GB standards. The main products include Elbow, reducer, Tee, insulating joint, insulating flange, flange etc. The size ranges from NPS 2 to NPS 56. The pressure ranges from Class 150 to Class 2500. The main materials of the products are A105, Q235, ST37.2, SS400, ASTM A182 F304/304L, F316/316L, F316H, F310, F321, F44 (UNS S31254), ASTM A182 F1, F5a, F9, F11, F12, F22, F91
The products are widely used in the field of petroleum, chemical, metallurgical, power, fuel gas, and city pipeline networks. 30% of our products, about 500TON, have been exported to Spain, Australia, South Africa, Indonesia, Singapore, Kuwait and etc. With high content of technology and reliable quality, our products have gained good reputation from the customers.
Facing the furious competition of the fittings market, we will fully exert our advantage on technology and management to improve continuously our product quality and manufacture high quality valve product to satisfy the customers. Welcome to Changhao Shanghai.
