GOST 12821-80 PN6-PN40
Our flanges are completely finished according to the standard. GOST 12821-80 PN6-PN40 is neck flange with pressure PN6-PN40, and we produce ANSI, JIS, EN, DIN flanges. We grant our buyers with our strict quality control system and good serivce. In addition, we also do the United States, Japan, Britain, Germany, the series of products. won a lot of customer recognition, over the same period the company won three national patents.
Gost 12821-80 Pn6-Pn40,Gost 12821-80 Pn6-Pn40 Carbon Steel Flange,Gost 12821-80 Pn6-Pn40 Weld Neck Flange Jinan HeChuang Mechanical Manufacturing Co., Ltd. , http://www.hechuangmechanical.com
Advantages:
- Superior air motor, no leakage and keep strong driving force even use after long time;
- Double thicken fluid cover than ordinary pump
- Perfect sealing design
- PP material, diaphragms and all sealing parts imported from USA
- Easy maintenance
- Lube free
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Certificate:
CE, BV, SGS, CCS, ISO9001, vessel CCS, 35 patents
Warranty:
15 years warranty for air motor, 5Â years for pump body
Application area:
Chemical Industry; Coating Industry; Painting Industry; Dye Industry; Pigment and Textile Chemical Industry; Food Industry; Water treatment Industry; Petroleum Industry; Environmental protection Industry; Pharmaceutical Industry
Max working pressure
100psi(0.7Mpa,7bar)
Max flow rate
15gpm
Max reciprocating speed
400cpm
Max suction height
4m
Max permitted grain
2.5mm
Max air conaumption
28scfm(0.672m³/min)
Air inlet size
1/4in.npt
Air outlet size
3/8in.npt
Fluid inlet size
1/2in.npt
Fluid oulet size
1/2in.npt
Weight
PP pump 2.7kg  PVDF pump 3.7kg
Our Company
RUDI pump (Shanghai Rudi Fluid Conveyor Co., Ltd. ) is a professional manufacturer of air operated diaphragm pump, with over 20-year manufacturing experience in this field. The company has two production bases, three branch offices, and approx. 120 employees in total, among which there are more than 30 engineers.Â
Our pumps have achieved more than 30 patents, CE, ISO9001, SGS certificates. Thanks to the reliable quality, we have won big appraise from our clients all these years.Â
The air operated diaphragm pumps manufactured by RUDI use compressed air as power source, and it is the most advanced type of diaphragm pumps in market for the moment. It adopts three-way air pilot valve to achieve real no dead stop and faster reversing. Compared with other traditional domestic pumps, it has larger flow rate, more stable operation, and smaller pulsation. It is widely applied in waste water treatment, chemical industry, petrochemical industry, painting, ceramics, environmental protection, printing and dyeing, etc. to deal with all kinds of corrosive, volatile, flammable, poisonous fluids with particles and high viscosity.Â
We have the following materials available, and our engineers will select the most suitable and economical material for you according to your specific working conditions.Â
Wetted parts material: PP, PVDF, Acetal, Aluminum alloy, Ductile iron, Stainless Steel, etc.Â
Diaphragm material: Teflon, Santoprene, Viton, Hytrel, Buna-N, etc.Â
Available inlet/outlet size: 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 2", 3"
Connection type:Â
-Threaded connection: Plastic pumps from 1/4" to 1-1/2", and all metal pumps.Â
-Fanged connection: Plastic pumps from 1/2" to 3".
Our Services
*All of the enquiry will be replied within 24 working hours
*Professional pump producer, with design team.
*All of the goods are packed with standard export carton with foam inside &Â wooden case (non-fumigation)
*Support OEM or ODM
*Fast after-service
FAQ
Q1: Are you a factory or a trading company?
A: Factory
Q2: What're your payments?
A: T/T, Western Union, L/C etc
Q3: What about package?
A: Carton with foam &Â wooden case
Q4: How about the delivery time?
A: Depend on quantity
Q5: How about the MOQ?
A: Usually, it is 10 pcs for each model
Q6: How about the warranty?
A: One year(except for wearing parts)
Model NO.: RD 20
Air Pump, Diaphragm Pump, Air Operated: Size:1/2 Inch
Weight: 2.8kg
Max Flow Rate: 57 L/Min
Warranty: One Year(Except for Wearing Parts)
Max Working Pressure: 100psi
Trademark: RD
Transport Package: Carton Box & Wooden Case
Specification: CE, ISO, SGS
Origin: China
HS Code: 841350109