RTQ Cast Iron Rotary Joint-Q Type Upgraded
♦The RTQ rotary joint is an upgraded version of the Q-type, with enhanced performance through structural improvements. ♦It features a guide ring for better coaxiality; includes double‑spherical seals (imported antimony‑impregnated graphite) and heat‑resistant stainless steel springs; and uses a heat‑resistant alloy shaft (surface‑polished and carbonitrided) for durability.
Product Drawings
|
DN |
Model |
A |
C |
F1 |
E(Φ) |
I |
M |
H |
L |
L5 |
L3 |
N(Φ) |
|
15 |
RTQ-D15 |
R1/2 |
RC1/2 |
43 |
83 |
10 |
54 |
61 |
40 |
118 |
91 |
15 |
|
20 |
RTQ-D20 |
R3/4 |
RC3/4 |
43 |
83 |
10 |
54 |
61 |
40 |
118 |
91 |
19 |
|
25 |
RTQ-D25 |
R1/2 |
RC1/2 |
50 |
95 |
12 |
62 |
70 |
50 |
140 |
108 |
24 |
|
32 |
RTQ-D32 |
R1-1/4 |
RC1-1/4 |
62 |
112 |
14 |
83 |
81 |
55 |
160 |
125 |
30 |
|
40 |
RTQ-D40 |
R1-1/2 |
RC1-1/2 |
68 |
122 |
16 |
88 |
86 |
58 |
178 |
138 |
38 |
|
50 |
RTQ-D50 |
R2 |
RC2 |
81 |
152 |
18 |
106 |
103 |
65 |
212 |
166 |
48 |
|
65 |
RTQ-D65 |
R2-1/2 |
RC2-1/2 |
92 |
172 |
20 |
118 |
116 |
87 |
242 |
182 |
64 |
|
Model |
O(Φ) |
P(Φ) |
Q(Φ) |
R |
S |
T |
U(Φ) |
V(Φ) |
|
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
F |
27 |
75 |
105 |
16 |
8 |
4 |
14 |
25 |
|
F |
33.5 |
85 |
115 |
16 |
8 |
4 |
14 |
30.5 |
|
F |
42 |
100 |
140 |
18 |
12 |
4 |
18 |
39 |
|
F |
48 |
110 |
150 |
18 |
12 |
4 |
18 |
45 |
|
F |
60 |
125 |
165 |
20 |
15 |
4 |
18 |
56 |
|
F |
78 |
145 |
185 |
20 |
18 |
4 |
18 |
74 |
Product parameters
|
Technical Parameters |
|
|
Medium |
Hot Water, Steam, Thermal Oil |
|
Max. Temperature |
300℃ |
|
Max. Pressure |
2.0Mpa |
|
Max. Speed |
50rpm~200rpm(Different sizes mean different max speeds.) |
Product Features
Structural Optimization
A guide ring improves coaxial accuracy, reducing vibration impact on the seal for stable transmission.
Seal Upgrade
Double‑spherical sealing with imported graphite rings and heat‑resistant springs resists high temperatures and corrosion, extending service life across various media.
Durable Shaft
The heat‑resistant alloy shaft (polished + carbonitrided) is wear‑resistant and resistant to deformation, making it suitable for heavy‑duty and high‑temperature conditions.
Multi‑Scene Adaptability
Supports threaded connections (stable, for fixed equipment) and flange connections (quick assembly, for frequent maintenance). Inner tube options (fixed/static or rotating/high‑speed) cover diverse industries.
FAQ
Q: How to choose the connection type?
A: Based on maintenance frequency:
Threaded: For long‑term fixed equipment (e.g., drying cylinders) – stable and vibration‑resistant.
Flange: For frequent maintenance (e.g., textile rollers) – quick disassembly, reduces downtime.
Q: How to choose the inner tube mode?
A: Based on equipment speed:
Fixed inner tube: Suits static or low‑speed equipment (e.g., heat transfer oil storage tanks) – stable and wear‑free.
Rotating inner tube: For high‑speed equipment (e.g., plastic calenders) – synchronizes rotation and reduces wear.
Summary
Upgraded from the Q-type, the RTQ rotary joint integrates core technological improvements and multi‑mode designs, enabling efficient fluid transmission across various media and scenarios. It delivers stable, durable connections for industrial equipment, supporting cost reduction and efficiency gains.
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