Basic Info.
Connection
Flanged Diaphragm Valve
Material
Cast Steel/Cast Iron/Stainless Steel/Brass
Structure
Wedge Diaphragm Valve
Pressure
High Temperature
Flow Direction
Unidirection
Function
Solenoid Valve, Electronic Type, Intelligent Type, Field Bus
Usage
Safety, Emptying, Drain, Temperature Control, Flow Control
Standard
DIN, GB, ANSI, BSW, JIS
Trademark
Qingjiang Valve
Transport Package
Wooden Case
Product Description
The pneumatic diaphragm valve is a special type of truncated valve that appeared in the 1920s. Its opening part is a diaphragm made of soft material, which separates the body cavity from the valve cover cavity and the drive part, hence the pneumatic diaphragm valve. Pneumatic diaphragm valve is the most prominent feature is the lower part of the diaphragm body inner cavity and the upper cover inner chamber is separated, the located above the diaphragm of the stem and disc parts from corrosion medium, such as eliminating the packing seal structure, and won't produce leakage of medium.
The pneumatic diaphragm valves are usually divided into: often closed pneumatic diaphragm valves, regular open pneumatic diaphragm valves and reciprocating pneumatic diaphragm valves
Details of the normally closed pneumatic diaphragm valves:
Often closed type pneumatic rubber diaphragm valve product features: G6B41J - 10 type breath often move G6B41W - 6.4 type G6B41J - 6.4 type G6B41FS - 6.4 type design and manufacture according to: GB12239 structure length, GB12221 flange size according to: 4216.4 GB test and inspection by GB/T 13927 often closed type pneumatic rubber diaphragm valve
G6B41J regular type pneumatic liner diaphragm valve and main performance specification
1. This series of diaphragm valves can be used according to different visual wrapping materials, which can be applied to different fluid media pipelines at different temperatures as the opening and closing mechanism for controlling the flow of media.
2.G6B41J normal closed pneumatic liner diaphragm valve is recommended for various visual wrapping materials:
Material (code name) | Suitable temperature | Applicable medium |
Hard rubber (NR) | -10 o C~85 o C | In addition to the strong oxidizer (such as pin acid, chromic acid, sulfuric acid and hydrogen peroxide and other organic solvent) outside the chlorhydric acid, fluosilicic acid, formic acid and phenolic acid, hydrochloric acid, 30% 50% 50% sulfuric acid, hydrofluoric acid, phosphoric acid, alkali, salt, metallized solution, sodium hydroxide, potassium hydroxide, neutral salt aqueous solution, 10% sodium hypochlorite, most of the wet chlorine, ammonia, alcohol, organic acids and aldehydes, etc. |
Soft rubber (BR) | -10 o C~85 o C | Good wear resistance. Mainly used for less than 50% of sulfuric acid, sodium hydroxide, potassium hydroxide, neutral salt bath solution and ammonia liquid, cement, clay, coal ash, granulated fertilizer and wear and tear "strong solid fluid, such as concentration of all kinds of thick mucus. |
Butyl rubber (IIR) | -10 o C~120 o C | Corrosion resistant and abrasion resistance. Organic acids, bases and hydroxide compounds, inorganic salts and inorganic acids, gases, alcohols, aldehydes, ether, ketones, esters, etc. |
Neoprene | (CR)-10 o C~120 o C | Oil, vegetable oil and inorganic lubricants and pH value vary a lot of corrosive mud, good abrasion resistance. |
Cast iron | -40 o C~100 o C | Non-corrosive medium |
The material of the main parts of the normally closed pneumatic diaphragm valve:
No | Name | Material |
1 | Valve Body | Cast Iron |
2 | Layer lining sac | Rubber |
3 | Diaphragm | Rubber |
4 | Valve Clack | Cast Iron |
5 | Valve Cover | Cast Iron |
6 | Valve Rod | Cast Steel |
7 | Handle | Cast Iron |
Often closed pneumatic diaphragm valve main connection size:
Size DN (mm) | Pressure PN (MPa) | Work Pressure WP (MPa) | Main outline dimensions (mm) | Scope of application | Weight (kg) | | | | | | | | | |
L | D1 | D | D0 | ? | Z | H | Temperature (°C) | Medium | | | | | | |
J-Type | W-Type | J-Type | W-Type | | | | | | | | | | | |
20 | 1.6 | 1.6 | 121 | 117 | 75 | 105 | 70 | 13.5 | 4 | 103 | <&=100 | General causticity | non-corrosive | 3 |
25 | 131 | 127 | 85 | 115 | 83 | 112 | 4.3 | | | | | | | |
32 | 150 | 146 | 100 | 140 | 114 | 17.5 | 144 | 6.5 | | | | | | |
40 | 163 | 159 | 110 | 150 | 156 | 7.9 | | | | | | | | |
50 | 194 | 190 | 125 | 165 | 140 | 177 | 10.6 | | | | | | | |
65 | 1.0 | 1.0 | 220 | 216 | 145 | 185 | 165 | 164.5 | 17.6 | | | | | |
80 | 258 | 254 | 160 | 200 | 230 | 8 | 181.5 | 25.5 | | | | | | |
100 | 309 | 305 | 180 | 220 | 280 | 253 | 36.2 | | | | | | | |
125 | 362 | 356 | 210 | 250 | 282 | 47.5 | | | | | | | | |
150 | 412 | 406 | 240 | 285 | 368 | 366.5 | 74 | | | | | | | |
200 | 527 | 521 | 295 | 342 | 483 | 22 | | 143 | | | | | |
Details of the pneumatic diaphragm valve (normally open) :
G6k41J pneumatic diaphragm valve (often open) and main performance specification
1. The pneumatic liner diaphragm valve can be used according to different visual wrapping material, which can be used as the opening and closing mechanism for controlling the flow of the medium.
2. Recommended range of various visual wrapping materials:
Material (code name) | Suitable temperature | Applicable medium |
Hard rubber (NR) | -10 o C~85 o C | In addition to the strong oxidizer (such as pin acid, chromic acid, sulfuric acid and hydrogen peroxide and organic solvent) outside the chlorhydric acid, fluosilicic acid, formic acid and phenolic acid, hydrochloric acid, sulfuric acid, hydrofluoric acid, 50% and 80% 30% phosphoric acid, alkali, salt, metallized solution, sodium hydroxide, potassium hydroxide, neutral salt aqueous solution, 10% sodium hypochlorite, most of the wet chlorine, ammonia, alcohol, and aldehydes, etc. |
Soft rubber (BR) | -10 o C~85 o C ] | Good wear resistance. Mainly used for less than 50% of sulfuric acid, sodium hydroxide, potassium hydroxide, neutral salt bath solution and ammonia liquid, cement, clay, coal ash, granulated fertilizer and wear and tear "strong solid fluid, various concentration of thick mucus, etc. |
Butyl rubber (IIR) | -10 o C~120 o C | Corrosion resistant and abrasion resistance. Organic acids, alkali and hydroxide compounds, inorganic salts and elemental gases, alcohols, aldehydes, ether, ketones, esters, etc. |
Neoprene | (CR)-10 o C~120 o C | Oil, vegetable oil and inorganic lubricants and pH value vary a lot of corrosive mud, good abrasion resistance. |
Cast iron | -40 o C~100 o C | Non-corrosive medium |
G6k41J pneumatic diaphragm valve (normally open) material of main parts:
No | Name | Material |
1 | Valve Body | Cast Iron |
2 | Layer lining sac | Rubber |
3 | Diaphragm | Rubber |
4 | Valve Clack | Cast Iron |
5 | Valve Cover | Cast Iron |
6 | Valve Rod | Carbon Steel |
7 | Handle | Cast Iron |
The main connection size of the pneumatic diaphragm valve:
Size DN (mm) | Pressure PN (MPa) | Work Pressure WP (MPa) | Main outline size (mm) | Scope of application | Weight (kg) | | | | | | | | | |
L | D1 | D | D0 | ? | Z | H | Temperature (°C) | Medium | | | | | | |
J-Type | W-Type | J-Type | W-Type | | | | | | | | | | | |
20 | 1.6 | 1.6 | 121 | 117 | 75 | 105 | 70 | 13.5 | 4 | 103 | <&= 100 | General causticity | non-corrosive | 3 |
25 | 131 | 127 | 85 | 115 | 83 | 112 | 4.3 | | | | | | | |
32 | 150 | 146 | 100 | 140 | 114 | 17.5 | 144 | 6.5 | | | | | | |
40 | 163 | 159 | 110 | 150 | 156 | 7.9 | | | | | | | | |
50 | 194 | 190 | 125 | 165 | 140 | 177 | 10.6 | | | | | | | |
65 | 1.0 | 1.0 | 220 | 216 | 145 | 185 | 165 | 164.5 | 17.6 | | | | | |
80 | 258 | 254 | 160 | 200 | 230 | 8 | 181.5 | 25.5 | | | | | | |
100 | 309 | 305 | 180 | 220 | 280 | 253 | 36.2 | | | | | | | |
125 | 362 | 356 | 210 | 250 | 282 | 47.5 | | | | | | | | |
150 | 412 | 406 | 240 | 285 | 368 | 366.5 | 74 | | | | | | | |
200 | 527 | 521 | 295 | 342 | 483 | 22 | | 143 | | | | | |
Our company introduction:
Shanghai Qingjiang Valve Manufacturing Co, . Ltd. Is located in Shanghai Fengxian Industrial Zone, is a commitment to scientific research, production, sales of professional valve manufacturer.
Company to an international metropolis -- Shanghai as the basis, make full use of regional advantages and industry, is committed to the introduction of international advanced management experience and technological innovation, and actively promote the enterprise comprehensive strength, and expand market share, formed with the gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, balance valve, relief valve, regulating valve and so on more than 60 series nearly 1000 varieties of products structure. Products nominal diameter is 1/4"-80" (DN6-2600mm) pressure 0.1MPa - 32.0MPa, temperature -196-595º C. Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper and other materials, and according to the special needs of customers and manufacture of metal products. Widely used in construction, municipal, water supply and drainage, HVAC, fire, electricity, metallurgical, petrochemical, gas and other industries, and exported to the Middle East. Europe and the United States and Southeast Asia and other countries and regions. High quality wins the customer the consistent high praise and trust.
Address:
207A Block C No. 205, Tianhe District, Guangzhou
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000
Company Introduction:
Shanghai Qingjiang Valve Manufacturing Co, . Ltd. Is located in Shanghai Fengxian Industrial Zone, is a commitment to scientific research, production, sales of professional valve manufacturer.
The company has a technical department, production department, marketing department, quality department, financial department enterprise management agencies. Built to international advanced level of processing center, spraying line, CNC lathes, plasma welding, chemical composition analysis, mechanical property testing, hardness testing, spectral analysis, nondestructive testing, thickness testing equipment more than 320 Taiwan (sets) of sophisticated processing, testing equipment and improve the detection process, for the production of high quality valves products to provide a strong guarantee.
Company to an international metropolis -- Shanghai as the basis, make full use of regional advantages and industry, is committed to the introduction of international advanced management experience and technological innovation, and actively promote the enterprise comprehensive strength, and expand market share, formed with the gate valve, globe valve, ball valve, check valve, butterfly valve, hydraulic control valve, balance valve, relief valve, regulating valve and so on more than 60 series nearly 1000 varieties of products structure. Products nominal diameter is 1/4"-80" (DN6-2600mm) pressure 0.1MPa - 32.0MPa, temperature -196-595º C. Valve of the main materials are cast iron, ductile iron, carbon steel, alloy steel, stainless steel, copper and other materials, and according to the special needs of customers and manufacture of metal products. Widely used in construction, municipal, water supply and drainage, HVAC, fire, electricity, metallurgical, petrochemical, gas and other industries, and exported to the Middle East. Europe and the United States and Southeast Asia and other countries and regions. High quality wins the customer the consistent high praise and trust.
New century Qingjiang Valve will be the spirit of " forever we cherish human harmony with nature, for which we in the water industry continue to strive to "business philosophy, and actively expand the market both at home and abroad, and create new brilliance in the twenty-first Century!