Flexible Coupling

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20 PCS pc

Supply Capability:: 1000 Ton Per Month pc/month

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Production Specifications of Wide Range Flexible Coupling

Material body: Ductile Iron grade 500-7/450-10 in accordance with ISO1083 or 70-50-05/65-45-12 with ASTM A536.

Gland: Ductile Iron grade 500-7/450-10 in accordance with ISO1083 or 70-50-05/65-45-12 with ASTM A536.

Gasket: Rubber EPDM/SBR/NR in accordance with EN681.1

Bolts and Nuts: Carbon Steel grade 8.8/6.8/4.8 with dacromet coating/galvanization.

Features: Wide joint range, suitable for the joint of DI/PE/PVC/STEEL pipe; Vibration absorption, end movements and angular deflection +/-8 degree.

Pressure Rating: PN10/PN16

SIZES	RANGE	U.WGT	BOLT SIZE	BOLT
DN40	48-60	2.86	M12 X 175	2
DN50	59-72	3.11	M12 X 175	2
DN65	72-85	3.60	M12 X 175	3
DN80	88-103	4.22	M12 X 175	4
DN100	105-122	4.80	M12 X 175	4
DN100	109-128	5.05	M12 X 175	4
DN125	125-140	5.50	M12 X 175	4
DN125	132-146	5.91	M12 X 175	4
DN125	138-153	5.76	M12 X 175	4
DN150	155-175	7.50	M12 X 175	4
DN150	159-182	7.70	M12 X 200	4
DN175	192-210	9.20	M12 X 200	4
DN200	218-235	9.95	M12 X 220	4
DN225	230-247	14.35	M12 X 220	5
DN225	250-267	14.50	M12 X 220	5
DN250	265-280	15.00	M12 X 220	6
DN250	272-289	16.50	M12 X 220	6
DN300	315-332	23.50	M12 X 220	8
DN300	322-339	23.80	M12 X 220	8
DN300	332-349	24.00	M12 X 220	8
DN350	340-360	35.00	M14 X 240	8
DN350	351-368	35.00	M14 X 240	8
DN350	374-391	35.00	M14 X 240	8
DN400	394-412	40.00	M14 X 240	8
DN400	400-429	40.00	M14 X 240	8
DN400	410-436	40.00	M14 X 240	8
DN400	425-442	40.00	M14 X 240	8
DN450	455-472	43.00	M14 X 240	8
DN450	476-493	43.00	M14 X 240	8
DN450	480-500	45.00	M14 X 240	10
DN500	500-535	53.00	M14 X 240	10
DN500	526-546	53.00	M14 X 240	10
DN500	555-572	53.00	M14 X 240	8
DN600	566-583	53.00	M14 X 240	8
DN600	582-599	53.00	M14 X 240	8
DN600	600-635	66.00	M14 X 240	10
DN600	630-650	66.00	M14 X 240	10
DN600	645-662	70.00	M14 X 240	10
DN600	662-679	70.00	M14 X 240	10
DN700	692-712	75.00	M14 X 240	10

Application Introduction of Wide Range Flexible Coupling

The Universal Couplings are designed for pipelines as a wide tolerance system. it will fit most standard pipe materials and therefore dramatically reduces the number of dedicated Couplings,which need to be stocked for maintenance purposes. It is suitable for steel, GRP, PVC, PE, Ductile Iron, Cast Iron and Asbestors Cement. When connecting PE pipes, It is important that pipe inserts are fitted to the PE pipes.

Packing & Delivery of Wide Range Flexible Coupling

Packing: Wood crates/Wood pallets/As per customers' requirements

Delivery: By Container or bulk.

Production Flow & Inspection of Wide Range Flexible Coupling

*Automatics machine lines*

*Resin Sand*

*Molding Boards*

*Green Sand with hand molding*

*Foundry in-house*

Ps: Third Party Inspection is also available upon request. More information is available upon receipt of your enquiry.

Equipment for Resin Sand of Wide Range Flexible Coupling Chemical analysis of wide range flexible adaptor

Process & Installation Instructions of Wide Range Flexible Coupling

1. Examine the pipe ends and ensure they are round, smooth, free from buldges, dents and score marks and within the outside diameter range given on the adaptor label. Weld beads must be ground flush maintaining correct surface profile. Ensure that pipe ends are free from scale rust or any loose debris or other surface defect that may affect coupling performance.

2. Check grade of gasket is suitable for the conveyed medium.

3. Align pipe to be laid with pipe already in position, taking care that pipe ends are concentric, adjusting support or trench bed as necessary.

4. To aid installation, mark both pipe ends at a distance equal to or greater than half the overall coupling assembled width of the coupling. Place wholly on one pipe end.

5. Adjust setting gap between pipe ends as necessary.

6. Using marks made at step 4, slide the coupling to a central position over the pipe ends and commence bolt-up.

7. Tighten diametrically opposed bolts giving the nuts one or two turns at a time to draw up the end rings evenly. The bolts must be thoroughly tightened to the figures given below, working around the coupling as many times as necessary. On completion, the radial gap between pipe end coupling should be even all the way round rubber may be seen to extrude into the gap.

Q: The pipe line of the hydraulic pressure pipe is formally installed: Hydraulic pipe fittings - thread standard twoClassification of threadsThe 1. threaded internal and external threads two;2. according to the shape of teeth can be divided into: 1) triangular thread 2) trapezoidal thread 3) rectangular thread 4) sawtooth thread;3. by line, single, head and multi thread;4., according to the direction of rotation, two kinds of left and right threads, the right is not marked, left plus LH, such as M24 * 1.5LH;5. according to different uses are: metric common thread, thread sealed pipe thread, non threaded sealing pipe thread, 60 degrees taper pipe thread, metric taper thread, etc.Two. Metric general threads1. metric screw thread with a capital M, tooth type angle 2 degrees =60 (alpha tooth type half angle);2. metric ordinary thread by pitch, coarse teeth, ordinary thread and fine teeth, two kinds of ordinary thread;2.1. coarse tooth ordinary thread mark generally does not indicate the pitch, such as M20 means coarse thread; fine tooth thread mark must indicate the pitch, such as M30 * 1.5 for fine tooth thread, in which pitch is 1.5.

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BENEFIT,is a leading largest and professional manufacturer for ductile iron fittings for water pipelines in China, Products for overseas markets covered all over the world.

1. Manufacturer Overview

Location	Dalian, China
Year Established	2004
Annual Output Value	Above US$ 8 Million
Main Markets	Mid East,Africa, South Aisa
Company Certifications	ISO 9001:2008；

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	Dalian, Port
Export Percentage	20%
No.of Employees in Trade Department	150 People
Language Spoken:	English; Chinese; Spain; Alabic
b) Factory Information
Factory Size:	Above 3,000 square meters
No. of Production Lines	2
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average