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Cowinns Industry Equipment Co.,Ltd
No.127 Room No.748 Changjiang Road,High-Tech District,
Suzhou City, Jiangsu Province, zip:215128 China
Tel:+86 512 6878 1993 
Fax:+86 512 6818 4193
Mob&what's app:+86 153 0620 9257 
Email:info@cowinns.com
www.cowinns.com
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Introduction to PID Diagram Knowledge of Valve Industry

Introductionto PID Diagram Knowledgeof Valve Industry PID diagram is thetechnical core of factory production. Whether it is an engineer from a designi...

The difference between DBB, DIB-1, DIB-2

Two types of seat sealing structures commonto trunnion mounted ball valves. 1. Double block and bleed valve A valve with two valve seat sealing pairsc...

True Meaning of Double Block and Bleed

It’s time to do maintenance ona section of process. You don't want to shut down the entire facility, so youdecide to block off and depressurize just ...

Gaskets Are Not Created Equal

Gaskets are near the bottom of the food chain of valve components; trim, body materials and packing seem to get a lot more press. But gaskets serve an...

LNG: Significant opportunities for cryogenic valves

Quenching the world’s thirst for energy while mitigating climate change and air pollution is one of the greatest challenges of the 21st century. Natu...

Why PTFE-Lined valves should be cossetted

“Every day is a learning opportunity”, is a saying which is often heard here in the Valve World editorial department. After all, the valve industry is so diverse, and the number of applications so huge, that no-one (and certainly not a humble editor!) can possibly hope to know everything.

18''RF WCB Butterfly valve

Customized top connection dimensions 18'' RF WCB butterfly valve  supplied to power plant service for high temperature steam pipeline 

China (Shanghai) International Fluid Machinery Exhibition (2)

China (Shanghai)International Fluid Machinery Exhibition (2) The China(Shanghai) International Fluid Machinery Exhibition is one of the mostsignifican...

Valve maintenance on its way to the cloud

Edited by Constanze Schmitz, Analyst ARC Advisory Group Europe ___ In the process industries, one of the most important, yet often over-looked assets,...

Check valve the most important valve in the process system

Checkvalve: the most important valve in the process system Mainfunctions and functions of check valve: Theyonly allow fluid to flow in one direction. ...

On the basis of a experience technical team , Cowinns developed high performance control valves which mainly apply to supercritical and ultra-supercritical power plants, petroleum and petrochemical .With its quality, performance, life, maintenance, appearance and cost being included into the core of design, the product is featured by precise control ,fast response, tight shut-off, compact structure, simple maintenance, long service life, low cost, etc.

Design features:
Quick opening
Linear
Equal percentage
Single seat and Sleeve both on available
Application: Electric power, petroleum , petrochemical, water & steam flow rate adjustment . extraction system ,HP&LP heater , deaerator, condenser , chemical water

Products range 
Size:1/2''~20''
Rating: ANSI 150LB~ ANSI 600LB
Main Body materials: WCB,WC6,WC9,CF8,CF8M etc.
End type: BW,RF
Operation: Pneumatic, Motor control actuator
Besides conventional control valve bellow control valves are also on available.

Pneumatic Y-pattern Drain Valve
This kind valve is installed in steam pipes of thermal power unit.

Minimum Flow Circulation Valve
Minimum flow circulation valve is the key supporting equipment of power plant’s boiler feedwater pump.

Spray Water Control Valve
There are different load requirement in many power plants, and thus different steam temperature. Spray water control valve is used to maintain the desuperheating water flow for the main steam and reheat steam temperature control.

Control valve

China 4'' 2500LB A182 F36 BW end ABB positioner flow rate control valve manufacturer

4'' 2500LB A182 F36 BW end ABB positioner flow rate control valve

Design standard: IEC60534 Shelltest pressure:64 Mpa Packingtest pressure:47 Mpa Seattest pressure:37 Mpa Positioner:ABB Regulator:YTC  solenoidvalve: ... More
China 2 "150LB CF8 RF pneumatic actuator with Fisher positioner control valve manufacturer

2 "150LB CF8 RF pneumatic actuator with Fisher positioner control valve

Product description: LIKE MEB16.34 design standards ThereTwo types of valves are available, offering excellent pressure and flowcontrol on steam gas ... More
China 1'' 300LB  CF8 RF end pneumatic actuator with Siemens explosion pneumatic with hand wheel control valve manufacturer

1'' 300LB CF8 RF end pneumatic actuator with Siemens explosion pneumatic with hand wheel control valve

Product description: ASMEB16.34 design standard Thereare two styles of valve available, providing excellent pressure and flowcontrol on steam gasses ... More
China 1/2'' 300LB  F304 RF end pneumatic actuator with Siemens explosion pneumatic control valve manufacturer

1/2'' 300LB F304 RF end pneumatic actuator with Siemens explosion pneumatic control valve

Product description: ASMEB16.34 design standard Fastresponse, precise control, , tight shut-off, simple maintenance, compactstructure, low cost ,long... More
China 1 1/2'' 300LB CF8 RF end pneumatic actuator with Siemens explosion pneumatic control valve manufacturer

1 1/2'' 300LB CF8 RF end pneumatic actuator with Siemens explosion pneumatic control valve

Productdescription: ASMEB16.34 design standard Precisecontrol, fast response, tight shut-off, compact structure, simple maintenance,long service life... More
China 3 '' 600LB A105 tire with handwheel control valve manufacturer

3 '' 600LB A105 tire with handwheel control valve

DoorDimensions: 1 '' ~ 16 '' Pressure: 150LB ~ 600lb Flowfeatures: 1.Linear 2.Quickopening 3.Equalpercentage facilities:Single saddle and sleeve Mainb... More
China :1'' 2500LB A105 RF end ABB positioner diaphragm pneumatic with hand wheel power plant spray water control valve manufacturer

:1'' 2500LB A105 RF end ABB positioner diaphragm pneumatic with hand wheel power plant spray water control valve

Cowinns power spray water control valve Diameter:3/4''~6'' Pressure:150LB~4500LB Bodystructure: Straight-through way type, angle type Temperatureran... More
China 4'' 3500LB WCB BW end Rotork electrical actuator with hand wheel minimun flow circulation valve manufacturer

4'' 3500LB WCB BW end Rotork electrical actuator with hand wheel minimun flow circulation valve

Technical specifications: Portsize:3/4''~6'' Pressurerange: ANSI 150Lb~4500Lb Bodystructure: straight-through way type ,angle type Operationtemperatur... More
China 1'' 2500LB A182 F22 BW end diaphragm pneumatic with hand wheel desuperheater water control valve manufacturer

1'' 2500LB A182 F22 BW end diaphragm pneumatic with hand wheel desuperheater water control valve

Technical specifications: Nominaldiameter:3/4''~6'' Nominalpressure: ANSI 150Lb~4500Lb Bodystructure: straight-through way type ,angle type Operationt... More
China 3''3000LB A105 overall forged BW end high quality angle control valve manufacturer

3''3000LB A105 overall forged BW end high quality angle control valve

Productdescription: Manufactureand design standard ASME B16.34、 JB/T 3595 Inspectionand testing standard: JB/T 3595、MSS SP-61 Endtype :SW、BW、RF Pr... More
China 10'' 2700LB WC9 RTJ end high quality pneumatic control valve manufacturer

10'' 2700LB WC9 RTJ end high quality pneumatic control valve

Productdescription: ASMEB16.34 design standard Cowinnshas good experience in design quality and high performance power plant hightemperature and high... More
China 4 '' 300B WCB RF fine tire with handwheel control valve. manufacturer

4 '' 300B WCB RF fine tire with handwheel control valve.

ProductDescription: LIKE MEB16.34 design standards  DoorDimensions: 1/2 '' ~ 20 '' Pressurerange: 150LB ~ 600LB Flowfeatures: Soonopening Linear equal... More
China 1'' 300LB A182 F22 SW end diaphragm pneumatic with hand wheel Y type power plant drain valve manufacturer

1'' 300LB A182 F22 SW end diaphragm pneumatic with hand wheel Y type power plant drain valve

Y type power plant drain valve range: Diameter:1/2''~4'' Pressure:150LB~2500LB Flowcharacteristics: 1,Quickopening Structure: Overallforging Y typ... More
China 1'' 600LB A182 F22 RF end diaphragm pneumatic with hand wheel minimum flow recirculation control valve manufacturer

1'' 600LB A182 F22 RF end diaphragm pneumatic with hand wheel minimum flow recirculation control valve

Cowinnspower plant minimum flow recirculation control valve range: Diameter:3/4''~12'' Pressure:600LB~2500LB Flowcharacteristics: 1,Linear 2,Equalp... More
China 2'' 4500LB A 182 F91 BW end diaphragm pneumatic with ASCO solenoid valve drain valve manufacturer

2'' 4500LB A 182 F91 BW end diaphragm pneumatic with ASCO solenoid valve drain valve

Specifications Portsize :1/2''~4'' Pressurerange: 150LB~4500LB Flowcharacteristics: quickly open Structure:overall forging Y type Availablebody materi... More
China 4'' 150LB WCB RF end pneumatic with fisher positioner control valve manufacturer

4'' 150LB WCB RF end pneumatic with fisher positioner control valve

Product description: ASME B16.34 design standard Product features: 1.The seat is fixed by the axial pressure of the bonnet and fixing cage, with such... More
China 6'' 300LB CF8 RF end pneumatic control valve manufacturer

6'' 300LB CF8 RF end pneumatic control valve

Valve type: Control valve
Port size:6''
Pressure:300LB
Material: ASTM A351 CF8
End: RF (raised face flange)
Operation: Pneumatic actuator
Application: Power plant pipe line
Medium temperature: normal More