Pancake type W18-20 R18-20-900 W21-20 R18-20-000 AIRTUBES

• Customization: Available
• Certification: ISO
• Condition: New
• Working Mode: Continuous
• Installation: Vertical
• Usage: Paper Machinery, Packing Machinery, Ship, Food Machinery, Chemical Machinery, Metallurgical Machinery
• Power Source: Pneumatic
• Interchange with: USA Brand,Coremo
• Warranty: 2 Years
• Delivery Time: in Stock
• OEM Service: OEM
• Part Number: R18-20-000, R21-20-000
• PN: 6" to 60"
• Material: Neoprene
• Quality: USA market
• Type: factory syupply
• Use: Disc clutch
• Design: two spud,1 spud, 3 SPUD, 4 SPUD
• Transport Package: Carton /Polywood Case
• Specification: 8" to 60"
• Trademark: Rubflex
• Origin: China
• HS Code: 4016950090
• Production Capacity: 10000/Year

Product Description

                                     Pancake type  Airtubes for  Disc clutch R18-20-000  R21-20-000

Rubflex is the manufacturer of clutches brakes for mechanical power transmission industry.

Air tubes are the important component of disc clutches and brakes, including Water-cooled brakes(WCB), Spring-set clutches,Low Inertia clutch/brake, Ball Mill Clutches,Power Grip High Speed Clutches. They play a critical role in these systems, ensuring reliable operation and precise control. Rubflex offers a wide range of tubes from 6" airtube to 60" airtube. 
Except  for airtubes, also have clutch spare parts such as , pressure plate, center plate, floating plate, back plate, air tube holding plate in stock.

R18-20-900  PANCAKE  AIRTUBE, 1 SPUD, OD 18"
R21-20-000  PANCAKE AIRTUBE,  1 SPUD, OD 21"

Size:

Size	OD  D(mm)	ID  d(mm)	Thickness  H(mm)	Nozzle
				PCD  mm	Quantity	Internal Thread	Outer diameter  /Milling size
6"	184	56	19	121	2	1/4"NPT	φ30/27
8"	229	108	19	168	1or 2	1/2"NPT	φ30/27
10"	250	120	26	185	1	ZG1/2"	φ30/27
11"	289	143	19	216	1or2	1/2"NPT	φ30/27
14"	356	191	25	273	1or2	1/2"NPT	φ30/27
16"	400	230	25	318	2	1/2"NPT	φ30/27
17"	436	217	23	328	2	ZG1/2"	φ30/27
18"	470	267	25	360	1or3	1/2"NPT	φ30/27
18"	470	267	23	360	1or2	ZG1/2"	φ30/27
19"	521	251	25	403	4	1/2"NPT	φ30/27
							1
20"	508	308	25	405	3	ZG1/2"	φ30/27
21"	521	305	25	406	1or2or3	1/2"NPT	φ30/27
21"	540	260	40	400	3	ZG1/2"	M30×1.5
22"	543	245	25	406	4	1"NPT	φ44/38
							1-3/4-12UN
24"	660	413	28	533	1or3	1/2"NPT	φ30/27
24"	650	406	28	530	3	ZG1/2"	φ30/27
26"	660	315	25	483	4	1"NPT	φ44/38
							1-3/4-12UN
29"	746	457	29	629	4	1/2"NPT	φ30/27
30"	800	457	29	629	4	1/2"NPT	φ30/27
30"	790	445	23	615	4	ZG1/2"	φ30/27
36"	943	537	28	775	4	1/2"NPT	φ30/27
36"	943	597	28	775	4	1/2"NPT	φ30/27
36"	943	597	28	775	2	1/2"NPT	φ30/27
36"	930	465	28	708	3	ZG1/2"	φ30/27
38"	950	475	30	716	4	ZG1/2"	φ30/27
42"	1095	752	28	889	4	1/2"NPT	φ30/27
42"	1095	752	28	889	4	1"NPT	φ57/48
48"	1283	794	29	1016	4	1/2"NPT	φ30/27
48"	1283	794	29	1016	4	1.5"NPT	φ86/71
52"	1320	760	40	1040	3	ZG1"	M45×1.5/42
60"	1522	840	29	1181	6	1/2"NPT	φ30/27
60"	1522	840	29	1181	6	1"NPT	φ57/48

Pictures:

Reinforced neoprene air tube are used for water-cooled brake.

Consistent airtubes size allows ease of replacement
if required

Size  from 4" to 60"

Low and high temperature bearing

Manufactuer supply
 

 

Application:
Steel company   
Oil&Gas/petroleum drilling rigs
Metal-forming machinery/Marine
Dynamometers / logging equipment
Anchor handling and towing winches
Mooring winch systems  / Tension brakes

 

Packaging:

Replacement:

Rubflex  history:
Rubflex is specialized in designing and manufacturing all kinds of pneumatic clutch and its accessories more than 15years.

Our products are mainly used on driving or braking devices for kinds of powerful mechanical transmission, such as ball mill in mine, metallurgy, petroleum, steel, chemical industry, cement, marine etc.
Certificate: