Name: Flange Expansion Joint Fire Fighting Pipe Fitting Ductile Iron Grooved Fittings Elbow Double
Brand: NBEST
Availability: InStock

Product Details

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	Hole diameter & quantity	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