| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Seat rotating
• Stationary springs
• Double seal
• Balanced
• Standard version with V-grooves, U-grooves optional (independent of direction of rotation)
• Gas-lubricated
(2)Advantages
• Contact free operation
• Face-to-face
• Cartridge unit
• Does not open in the event of buffer pressure failure
• Self closing at pressure reversal
• No additional complex components to dissipatefrictional heat
(3)Operating range (see note on page 1)
Shaft diameter: d1 = 30 ... 100 mm (1.18" ... 3.94")
(please inquire about dimensions)
Product pressure: p1 = max. 22 bar (319 PSI),
max. ... 7 bar (102 PSI) with U-grooves
(dependent on shaft diameter and sliding materials)
Barrier pressure: p3 = max. 25 bar (362 PSI),
10 bar (145 PSI) with U-grooves
Differential pressure: Δp = min. 3 bar (44 PSI)
Temperature: t = -20 °C ... +170 °C (-4 °F ... +338 °F)
(dependent on resistance of O-Rings)
Sliding velocity: vg = 16 m/s (52 ft/s),
with special design max. 25 m/s (82 ft/s)
Axial movement: ±0.2 mm
(4)Materials
Seal faces: Carbon graphite (A)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: FKM (V), EPDM (E), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Hastelloy® C-4 (M)
(5)Item Description
1, 2 Seal face
3, 4, 8, 10, 13 O-Ring
5, 6 Spring
7 Seat
9 Shaft sleeve
11 Flange
12 Gasket
14 Cover
15, 22, 25 Countersunk screw
16 Retaining ring
17 Pin
18 Ring
19 Set ring
20 Set screw
21 Pumping ring
23 V-Seal
24 Assembly fixture
(6)Recommended applications
• Chemical industry
• Refining technology
• Gases and liquids
• Media which require high purity
• Environmental harmful media
• Blowers
• Fans
• Pumps
Dimensions in mm
| d1 | d2 | d3min. | d3max. | L1 | L2 | L3 | L4 | da | a2 | s | |
| GSO-DN/30-00-R | 30 | 46.0 | 49.0 | 59.0 | 85.0 | 55.0 | 30.0 | 39.0 | 104.0 | 69.7 | 14.0 |
| GSO-DN/33-00-R | 33 | 49.0 | 53.0 | 65.0 | 85.5 | 55.5 | 30.0 | 39.5 | 122.0 | 72.7 | 14.0 |
| GSO-DN/35-00-R | 35 | 51.0 | 52.0 | 65.0 | 85.5 | 55.5 | 30.0 | 39.5 | 124.0 | 74.7 | 14.0 |
| GSO-DN/43-00-R | 43 | 63.0 | 64.0 | 78.0 | 90.5 | 57.5 | 33.0 | 41.5 | 138.0 | 84.7 | 16.0 |
| GSO-DN/48-00-R | 48 | 69.0 | 69.0 | 80.0 | 90.5 | 57.5 | 33.0 | 41.5 | 145.0 | 89.7 | 16.0 |
| GSO-DN/50-00-R | 50 | 70.0 | 72.0 | 82.0 | 90.5 | 57.5 | 33.0 | 41.5 | 147.0 | 91.7 | 16.0 |
| GSO-DN/53-00-R | 53 | 73.0 | 73.0 | 87.0 | 92.8 | 57.8 | 35.0 | 41.8 | 148.0 | 94.7 | 18.0 |
| GSO-DN/60-00-R | 60 | 85.0 | 87.0 | 102.0 | 97.5 | 60.5 | 37.0 | 44.5 | 157.0 | 104.0 | 18.0 |
| GSO-DN/65-00-R | 65 | 90.0 | 91.0 | 107.0 | 100.5 | 59.5 | 41.0 | 43.5 | 178.0 | 109.0 | 18.0 |
| Other diameters on request. | |||||||||||
We have large stock, so our delivery is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang Province,China.
Our city has a large port and an airport, so its transportation is very convenient.
Question1: What are the prices of your products?
Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.
Question 2: Are you a factory or a trade company?
Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.
Question4: What is your company's service tenet?
Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.
Question5: Can I try to get a SAMPLE before the order?
Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).
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