Stainless Steel Single Sphere Rubber Expansion Joint
Flexible rubber joint designed for pump and valve matching applications
Henan Province Zhicheng Valve & Fittings Manufacturing Co.
Our mission: Focus on product details, continuous innovation, and meeting user needs
Our values: Integrity and standardization, cooperation and win-win partnerships
Product Images
Product Specifications
Material Composition
| No. |
Component |
Material |
| 1 |
Outer/Inner Rubber |
NR, NBR, EPDM, SBR, BR etc. |
| 2 |
Frame |
Nylon Card Fabric |
| 3 |
Pressurized Ring |
Steel Wire Strand |
| 4 |
Flange |
Q235 Carbon Steel, 304 Stainless Steel etc. |
Technical Conditions
| Parameter |
Type 1 |
Type 2 |
Type 3 |
| Working Pressure (Kg f/cm²) |
1.0(10) |
1.6(16) |
2.5(25) |
| Explosion Pressure (Kg f/cm²) |
2.0(20) |
3.0(30) |
4.5(45) |
| Vacuum Value (mmHg) |
2.0(20) |
86.7(650) |
100(750) |
| Applicable Temperature |
-15℃ ~ +80℃ (-30℃~+150℃ special) |
| Applicable Media |
Air, compressed air, water, sea water, hot water, oil, acid and alkali etc. |
Main Connecting Dimensions
| Nominal Diameter |
Length |
Axial Displacement |
Horizontal Displacement |
Deflexion Angle |
| 32 mm (1¼") |
95 mm |
Extension: 6mm, Compression: 9mm |
9 mm |
15° |
| 40 mm (1½") |
95 mm |
Extension: 6mm, Compression: 10mm |
9 mm |
15° |
| 50 mm (2") |
105 mm |
Extension: 7mm, Compression: 10mm |
10 mm |
15° |
| 65 mm (2½") |
115 mm |
Extension: 7mm, Compression: 13mm |
11 mm |
15° |
| 80 mm (3") |
135 mm |
Extension: 8mm, Compression: 15mm |
12 mm |
15° |
| 100 mm (4") |
150 mm |
Extension: 10mm, Compression: 19mm |
13 mm |
15° |
| 125 mm (5") |
165 mm |
Extension: 12mm, Compression: 19mm |
13 mm |
15° |
| 150 mm (6") |
180 mm |
Extension: 12mm, Compression: 20mm |
14 mm |
15° |
| 200 mm (8") |
210 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 250 mm (10") |
230 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 300 mm (12") |
245 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 350 mm (14") |
255 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 400 mm (16") |
255 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 450 mm (18") |
255 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 500 mm (20") |
255 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 600 mm (24") |
260 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 700 mm (28") |
260 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 800 mm (32") |
260 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 900 mm (36") |
260 mm |
Extension: 16mm, Compression: 25mm |
22 mm |
15° |
| 1000 mm (40") |
260 mm |
Extension: 18mm, Compression: 26mm |
24 mm |
15° |
| 1200 mm (48") |
260 mm |
Extension: 18mm, Compression: 26mm |
24 mm |
15° |
| 1400 mm (56") |
350 mm |
Extension: 20mm, Compression: 28mm |
26 mm |
15° |
| 1600 mm (64") |
350 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 1800 mm (72") |
350 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 2000 mm (80") |
420 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 2200 mm (88") |
420 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 2400 mm (96") |
420 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 2600 mm (104") |
450 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 2800 mm (112") |
450 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
| 3000 mm (120") |
500 mm |
Extension: 25mm, Compression: 35mm |
30 mm |
10° |
For Quick Quotation, Please Provide:
- Media type flowing through the rubber expansion joint (water, oil, etc.)
- Nominal diameter of rubber expansion joint
- Type of rubber expansion joint (equal or reducing shape)
- Material of rubber and flange (EPDM, stainless steel, etc.)
- Flange standard (ANSI, DIN, etc.)
- Nominal pressure (150lb, 300lb, etc.)
- Length of rubber sphere
- Total quantity required
Product Advantages
- Excellent pressure resistance through spherical structure with super stability against internal pressure and strong special reinforcing
- Superior absorption of vibration, noise, and shock
- Compensates for greater elongation, compression, lateral and angular movement
Product Classification
Multiple categories available to choose from
Packing & Delivery
Shipping Options:
- FedEx/DHL/UPS/TNT for samples - Door-to-Door service
- By Air or By Sea for batch goods (LCL/FCL) - Airport/Port receiving
- Customer-specified freight forwarders or negotiable shipping methods
Strictly adheres to the ISO9001:2015 Quality Management System, holds the "Special Equipment Manufacturing License" issued by the State Administration for Market Regulation, products comply with the national standard GB/T 12465-2003, can be safely applied to various pressure piping systems, has passed EU CE certification, and meets EU standards such as EN 1092-1 and EN 14001. Possesses multiple national utility models.
Frequently Asked Questions
Q: Can you make the product as per client's requirement?
A: Yes, we can make it with your exact requirement.
Q: What are your payment terms?
A: T/T (30% as deposit, the rest 70% will be paid before delivery), L/C at sight.
Q: Where is your nearest loading port?
A: Shanghai, Qingdao or Tianjin, China.
Q: How can you guarantee the quality or any warranty?
A: If any quality problems during use, all the products can be returned or according to consumer's requests.
Q: Do you accept small quantity order?
A: Of course we do.
Q: And what is your shipment and delivery time?
A: By sea or air. Normally 7 to 14 Days for delivery, according to your order quantity. Please send your detailed needs below and get a quick reply!
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