NUOMENG is able to provide solutions in terms of sanitary valves and pipeline engineering system for customers in different fields, including pharmaceutical and biotechnology, food and beverage, microelectronic and semiconductor as well as chemical industries.
Innovative Technology
Our products are widely applied in pharmaceutical, food and biotechnology fields. We set high standards for quality and devices designed, manufactured by or operated in our factory conform with the safety requirements in the aspect of sanitation and sterilization.
NUOMENG Technical Team tries to make sure that all necessary technical support is provided for every customer. To shorten the lead time, a countrywide distribution network and abundant inventories have been established. Meanwhile, we are constantly making improvements to optimize existing products and develop new products. Last but not the least, we are able to customize professional solutions according to different requirements of working conditions.
Surface Roughness
The standard requirement for the interior surface roughness of aseptic diaphragm valves is Ra ≤ 0.4 μm. But we can also realize Ra ≤ 0.8 μm and Ra ≤0.25 μm if customers have specific requirements. For forged products, the requirement of exterior surface roughness is not that rigorous. It only has to realize Ra ≤ 0.8 μm or Ra ≤ 0.4 μm.
All surfaces can be electropolished to even reduce the roughness.
Recent years have seen some great improvements in the purity and quality of food and pharmaceuticals in China, and more strict regulations and approval requirements have been established. We are proud to be a part to make those improvements happen.
If diaphragm valves are to be applied in pharmaceutical, semiconductor, microelectronic and new chemical industries, the valves have to be aseptic and stainless steel to make sure the media is extremely purified. Thus, aseptic stainless steel diaphragm valves, whose design enables them to sterilize and pasteurize the medium, can be applied to process WFI, ultra-purified chemicals, intermediate or final products in pharmaceutical, biotechnology and food industry.
NUOMENG is equipped with state-of-the-art equipment and a motivated service team, thus our clients can always get the best services. Our years of experience and in-depth dialogues with factory operators allow us to continue to optimize the design of diaphragm valves and their individual components.
We test diaphragms in our in-house test bench, including special cycle tests required in the pharmaceutical industry.
Different mounting positions and working conditions will require different valves or diaphragms. In particular, the chemical properties and temperatures of working media can lead to different interactions.
Working principle: The diaphragm is close under normal state. When the diaphragm valve have the requirment to clean or open by pneumatic operation by pneumatic actuator, the valve stem moves upwards according to the manual or pneumatic actuator equipment, spherical diaphragms naturally nemd upwards.
Intelligent electric valve positioner is a regulator that can control the open range of valve through receving external input setting signal or internal manual setting signal. It used PID arithmetic and PWM control technology to achieving control flow precisely. The advantage of Intelligent electric valve positioner are that has remote automatic control system.
Advantage: The optimize valve body made the cleaning liquid flow out totally, so that without any entrapment.
Application:
RG diaphram valve is a series of sanitary diapgram valve, it is widely used on wine, dairy products, beverage, foodstuff industry, pharmacy etc. Achieving the requirement of control and open/close for the pipeline system.
Work principle:
The diaphragm is close under normal state, and that moment the diaphragm clung tho the valve body cavity, and closing off the flow path through the pipeline. When the diaphragm valve have the requirment to clean or open. The valve stem moves upwards according to the manual or pneumatic actuator equipment, spherical diaphragms naturally nemd upwards, so that the valve is open and reach the requirement of clean and open. The diaphragm make the lower body cavity and the upper chamber separted from the valve cover, so that the stem at the top of the diaphragm, disc media and other parts from corrsion, eliminating the need for packing structure, and no media leaks, the optimize valve body made the cleaning liquid flow out totally, so that don't have any entrapment.
Conncetion way: Weld. Our company offers other types, such as weld, thread and so on.
Design standard: DIN. Our company offers other standard, such as 3A, SMS, ISO / IDF.
The parts of valve: an actuator, diaphragm and body which assemble together with bolts and nuts. Sanitary Stainless Steel Pneumatic Welded Diaphragm Valve's actuator is pneumatic. The body is two way.
Steel components: Stainless steel 304, stainless 316L
Seal: EPDM+PTEE the seals are imported seal material (which conform to the FDA177.2600standard).
G04 Series
• Suitable for inert and corrosive liquid and gaseous media
• Support CIP/SIP
• Pasteurized
• Valve body and diaphragm are available in a variety of materials
| Technical Parameters: |
| Operation |
Plastic piston actuator, with position indication |
| DN |
DN4-DN50 |
| Body |
one-channel body, T-shaped body, tank bottom type body, multi-channel body |
| Body Material |
ASTM A351: CF3M |
ASTM A182: F316L 904L 2205 2507 |
| ASTM B564: C276 C22 |
GB/T 2965 TA2 TA10 |
| Cap and Core Material |
ASTM A351 CF8 |
| Connection |
Welded, Clamped & Flange |
| Operation Pressure |
DN4-DN100 PN8bar |
| Operation Temperature |
Dependent on diaphragm materials |
| Diaphragm Material |
EPDM+PTFE separate type: temperature range -10~135ºC; steam sterilization at 150ºC with no time duration limited. |
| EPDM+PTFE compound type: temperature range -10~100ºC; steam sterilization at 135ºC with every cycle reaching 60min |
| EPDM type: temperature range -10~100ºC; steam sterilization at 135ºC with every cycle reaching 60min |
| Medium-contacting inner surface roughness: ≤Ra0.4μm ≤Ra0.25μm |
| Failure position: when air supply is cut off, the valve is closed at FC position. |
| Pneumatic Connector: DN15-50 G1/8-6mm DN45-100 G1/4-8mm plastic connector |
| Action Type: pneumatic, air pressure 5-8bar |
| Pneumatic Actuator Type: PA6+GF30 pneumatic piston (reset by a spring) |
Optional Accessory 1:
Solenoid valve + air filter pressure-relief valve (plastic connector +PU air pipe)
Explosion-proof solenoid valve + air filter pressure-relief valve (pipe ferrule + stainless steel air pipe) |
| Optional Accessory 2: Double-Feedback Position Transmitter SP110 |
| Optional Accessory 3: Position Transmitter SP112 P+F double feedback ExiaIICT6 IP67 DC 8V |
| Optional Accessory 4: mechanical limit switch: could mechanically set to 100% open or 100% closed |
| Optional Accessory 5: 1500 Intelligent Valve Positioner: set input signal at 4-20mA and output signal at 4-20mA DC 24V |
Optional Accessory 6: N6000 Intelligent Valve Positioner: set input signal at 4-20mA and output signal at 4-20mA DC 24V
Explosion-proof level: Ex ia IIC T4/T6 Ga |
DN-No.RG1111 |
Size |
Length |
Outside Diameter |
Thickness |
Diameter of Pneumatic Actuator |
Height( from diaphragm to the top of pneumatic actuator) |
| DN15 |
3/4" |
108 |
18 |
1.5 |
90 |
125
|
| DN20 |
|
22 |
| DN25 |
1" |
127 |
28 |
126 |
160 |
| DN32 |
1 1/4" |
146 |
34 |
150 |
190 |
| DN40 |
1 1/2" |
160 |
40 |
| DN50 |
2" |
190 |
52 |
Audited Supplier 
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