One.Product data:
Professional manufacturer Ductile iron valve pipe fittings flexible mechanical dismantling joint
Double sphere rubber joint is generally consist of the inner and the outer rubber layer and fabric reinforced layer (the enhancement layer has a multilayer spreading cord fabric), vulcanization molded in high temperature and high pressure , then assembly together with rubber tube and metal flange or parallel joint sleeve.
| No. | Name | Material |
| 1 | Inner and outer rubber | NR,NBR,EPDM etc |
| 2 | Frame | Nylon cord fabric |
| 3 | Pressuring ring | Steel wire |
| 4 | Flange | Carbon steel galvanized/ Stainless steel |
| Main connecting dimension of double sphere rubber joint | ||||||||
| Nominal diameter DN | Length | Center diameter of the bolt | Hole diameter & quantity | Axial displacement | Horizontal displacement | Deflexion angle | ||
| mm | inch | mm | mm | Extension(mm) | Compression(mm) | (mm) | (a1+a2)° | |
| 40 | 1 1/2 | 165 | 110 | 18-4 | 30 | 50 | 45 | 35 |
| 50 | 2 | 165 | 125 | 18-4 | 30 | 50 | 45 | 35 |
| 65 | 2 1/2 | 175 | 145 | 18-4 | 30 | 50 | 45 | 35 |
| 80 | 3 | 175 | 160 | 18-8 | 35 | 50 | 45 | 35 |
| 100 | 4 | 225 | 180 | 18-8 | 35 | 50 | 40 | 35 |
| 125 | 5 | 225 | 210 | 18-8 | 35 | 50 | 40 | 35 |
| 150 | 6 | 225 | 240 | 22-8 | 35 | 50 | 40 | 35 |
| 200 | 8 | 325 | 295 | 22-8 | 35 | 50 | 40 | 35 |
| 250 | 10 | 325 | 350 | 22-12 | 35 | 60 | 35 | 30 |
| 300 | 12 | 325 | 400 | 22-12 | 35 | 60 | 35 | 30 |
| 350 | 14 | 330 | 460 | 22-16 | 35 | 60 | 35 | 30 |
| 400 | 16 | 330 | 515 | 26-16 | 35 | 60 | 35 | 30 |
| 450 | 18 | 330 | 565 | 26-20 | 35 | 60 | 35 | 30 |
| 500 | 20 | 350 | 620 | 26-20 | 35 | 60 | 35 | 30 |
| 600 | 24 | 350 | 725 | 30-20 | 35 | 60 | 35 | 30 |
| 700 | 28 | 350 | 840 | 30-24 | 35 | 60 | 35 | 30 |
| 800 | 32 | 400 | 950 | 30-34 | 35 | 60 | 35 | 30 |
Datas above are only for reference,pls contact us for exact info.
Usage of double sphere rubber joint
It is mainly used for pipeline, pump and valve connection etc,applicable media could be air,compressed air,water,sea water,hot water,oil,acid and alkali etc.
TWO.Related products
Three.Company profile
Tianjin Nbestvalve Co., Ltd. was established in 2002, headquartered in No.21,No.1 Building, Ronghui Business Zone, Zhongguancun technology Park, Binhai New District, Tianjin, China. With the rapid development of the most dynamic Chinese Bohai Economic Rim, Our company, production, sales and manufacturing test capabilities, with independent import and export rights, is a science, industry and trade as one of the group enterprise.
Four.Aplication Area
a. Domestic sewage treatment.
b. industrial wastewater treatment.
c. industrial irrigation treatment.
Five.Packing and Freight
Six.FAQ
Q: Are you trading company or manufacture?
A: We are factory located in Tianjin, China.
Q: What's your product range?
A: We specialize in product butterfly valves,solenoid valve, gate valves, check valves, Y type strainer, water controlling valves,motorized valves,pneumatic valves,hydraulic valves and other pipe accessories.
Q: What's execution standard?
A: ISO/ANSI/DIN/JIS/EN/GOST standard.
Q: What's your strong product?
A: Concentric butterfly valves, grooved butterfly valves, dual plate check valves.
Q: Do you provide sample? Is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of the freight.
Q: How long is your delivery time?
A: Generally it is 7 days if the good are in stock, or it is 20 days if the goods are not in stock, it is according to the quantity.
Q: What is your terms of payments?
A: Payment ≤10000 USD, 100% in advance. Payment ≥10000USD, 30% T/T or other ways in advance, balance before shipment.
Seven.Contact us