| Customization: | Available |
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| Structure: | Single End |
| Pressure: | High Pressure Mechanical Seals |
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(1)Features
• Single seal
• Available for standard (ASPN) and big bore (ABPN) seal chambers
• Cartridge
• Balanced
• Independent of direction of rotation
• Single seals with flush (-ASPN, -ABPN) and with quench
combined with lip seal (-ASQN, -ABQN) or throttle ring
(-ASTN, -ABTN)
(2) Advantages
• Ideal for use in ANSI process pumps
• Universal applicable for packings conversions, retrofits or original equipment
• Seal for standardizations
• No dimensional modification of the seal chamber necessary, small radial installation height
• No damage of the shaft by dynamically loaded O-Ring
• Extended service life
• Installation faults are avoided, cost-effective
• No damage caused by dirt entered during assembly
• Straightforward and easy installation due to preassembled unit (reduced down-times)
(3)Operating range (see note on page 1)
Cartex-ASPN, - ABPN, -ASTN, -ABTN, -ASQN, -ABQN
Shaft diameter: d1 = 1.000"…3.750"
Other sizes on request
Temperature: t = -40 °C ... +220 °C (-40 °F...+428 °F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PSI)
Sliding velocity: vg = 16 m/s (52 ft/s)
Sliding face material combination Q1Q1 or U2Q1
Pressure: p1 = 12 bar (174 PSI)
Sliding velocity: vg = 10 m/s (33 ft/s)
Axial movement: ±1.0 mm, d1 ≥ 75 mm ±1.5 mm
(4) Item Description
1 Seal face
2, 5, 7 O-Ring
3 Spring
4 Seat
6 Shaft sleeve
8 Drive collar
9 Set screw
10 Snap ring
11 Cover
12 Assembly fixture
13 Screw
14 Gasket
15 Screw plug
16 Lip seal (-QN), throttle ring (-TN)
(5) Materials
Seal face: Silicon carbide (Q1), Carbon graphite resin
impregnated (B), Tungsten carbide (U2) Seat: Silicon carbide (Q1)
Secondary seals: FKM (V), EPDM (E), FFKM (K),
Perflourocarbon rubber/PTFE (U1)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G)
(6) Standards and approvals
• ANSI
(7)Recommended applications
• Water and waste water technology
• Chemical and industry
• Petrochemical industry
• Pharmaceutical industry
• Food and beverage industry
• Universally applicable
• ANSI process pumps
(8) Product variants
Cartex-ASTN and -ABTN
Single seal for operation with unpressurized quench for
standard (S) and big bore (B) seal chambers. Same as
Cartex-ASPN and -ABPN but with throttle ring (item 16) at
the atmospheric side. The cover has auxiliary connections
for flushing and quench.
Throttle ring: PTFE carbon-graphite reinforced (T12)
Cartex-ASQN and -ABQN
Single seal for operation with unpressurized quench for
standard (S) and big bore (B) seal chambers. Same as
Cartex-ASPN and -ABPN version but with lip seal (item
16) at the atmospheric side. The cover has auxiliary
connections for flushing and quench.
Lip seal: NBR (P), PTFE carbon reinforced (T3)
| Big bore - Dimensions in inch | ||||||||||||||
| d1 | d2 | d3min. | d3max. | L1 | L2 | L3 | L4 | L15 | L16 | L17 | a1 | da | s | Connection |
| 1.000 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1.125 | 1.713 | 1.752 | 2.795 | 2.638 | 1.669 | 0.969 | 1.000 | 2.937 | 1.909 | 1.028 | 3.311 | 4.500 | 0.437 | 1/4 NPT |
| 1.250 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1.375 | 1.960 | 2.000 | 3.189 | 2.638 | 1.669 | 0.969 | 1.000 | 2.947 | 1.919 | 1.028 | 3.543 | 5.118 | 0.437 | 1/4 NPT |
| 1.500 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1.625 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1.750 | 2.461 | 2.500 | 4.055 | 2.638 | 1.669 | 0.969 | 1.000 | 3.012 | 1.984 | 1.028 | 4.567 | 6.496 | 0.559 | 3/8 NPT |
| 1.875 | 2.583 | 2.661 | 3.937 | 2.638 | 1.669 | 0.969 | 1.000 | 3.071 | 2.059 | 1.012 | 4.409 | 5.984 | 0.551 | 3/8 NPT |
| 2.000 | 2.677 | 2.756 | 4.567 | 2.638 | 1.929 | 0.709 | 1.260 | 3.130 | 2.102 | 1.028 | 4.882 | 6.260 | 0.551 | 3/8 NPT |
| 2.125 | 2.834 | 2.913 | 4.528 | 2.638 | 1.669 | 0.969 | 1.000 | 3.012 | 1.984 | 1.028 | 5.276 | 6.890 | 0.709 | 3/8 NPT |
| 2.250 | 2.960 | 3.093 | 4.409 | 2.638 | 1.945 | 0.693 | 1.276 | 3.130 | 2.120 | 1.028 | 4.685 | 6.417 | 0.709 | 3/8 NPT |
| 2.500 | 3.212 | 3.299 | 5.276 | 2.638 | 1.919 | 0.719 | 1.250 | 3.130 | 2.120 | 1.028 | 5.512 | 7.795 | 0.709 | 3/8 NPT |
| 2.625 | 3.338 | 3.170 | 5.118 | 2.638 | 1.919 | 0.719 | 1.250 | 3.130 | 2.120 | 1.028 | 5.354 | 6.890 | 0.709 | 3/8 NPT |
| 2.750 | 3.660 | 3.740 | 5.236 | 2.638 | 1.945 | 0.693 | 1.276 | 3.130 | 2.120 | 1.028 | 5.512 | 7.480 | 0.630 | 3/8 NPT |
| 3.000 | 3.937 | 4.016 | 5.512 | 3.307 | 2.276 | 1.031 | 1.276 | 3.858 | 2.516 | 1.343 | 5.906 | 8.228 | 0.650 | 3/8 NPT |
| 3.250 | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Stand ard bor e - Dimensions in inch | ||||||||||||||
| d1 | d2 | d3min. | d3max. | L1 | L2 | L3 | L4 | L15 | L16 | L17 | a1 | da | s | Connection |
| 1.000 | 1.693 | 1.732 | 2.205 | 2.638 | 1.669 | 0.969 | 1.000 | 2.937 | 1.909 | 1.028 | 2.756 | 3.937 | 0.433 | 1/4 NPT |
| 1.125 | 1.713 | 1. 752 | 2.205 | 2.638 | 1.669 | 0.969 | 1.000 | 2.937 | 1.909 | 1.028 | 2.440 | 4.134 | 0.437 | 1/4 NPT |
| 1.250 | 1.969 | 2.008 | 2.402 | 2.638 | 1.669 | 0.969 | 1.000 | 3.130 | 2.102 | 1.028 | 2.638 | 4.252 | 0.433 | 1/4 NPT |
| 1.375 | 1.961 | 2.000 | 2.402 | 2.638 | 1.669 | 0.969 | 1.000 | 2.947 | 1.919 | 1.028 | 2.760 | 4.213 | 0.437 | 1/4 NPT |
| 1.500 | 2.200 | 2.244 | 2.717 | 2.638 | 1.669 | 0.969 | 1.000 | 3.130 | 2.102 | 1.028 | 2.950 | 4.488 | 0.551 | 3/8 NPT |
| 1.625 | 2.340 | 2.421 | 2.795 | 2.638 | 1.669 | 0.969 | 1.000 | 3.130 | 2.102 | 1.028 | 3.030 | 4.921 | 0.551 | 3/8 NPT |
| 1.750 | 2.461 | 2.500 | 2.953 | 2.638 | 1.669 | 0.969 | 1.000 | 3.012 | 1.984 | 1.028 | 3.228 | 5.118 | 0.559 | 3/8 NPT |
| 1.875 | 2.583 | 2.661 | 3.070 | 2.638 | 1.669 | 0.969 | 1.000 | 3.071 | 2.043 | 1.028 | 3.190 | 5.118 | 0.551 | 3/8 NPT |
| 2.000 | 2.677 | 2.756 | 3.189 | 2.638 | 1.669 | 0.969 | 1.000 | 3.130 | 2.102 | 1.028 | 3.430 | 5.472 | 0.630 | 3/8 NPT |
| 2.125 | 2.834 | 2.913 | 3.583 | 2.638 | 1.669 | 0.969 | 1.000 | 3.012 | 1.984 | 1.028 | 3.820 | 5.512 | 0.650 | 3/8 NPT |
| 2.250 | 2.960 | 3.039 | 3.583 | 2.638 | 1.669 | 0.969 | 1.000 | 3.130 | 2.102 | 1.028 | 3.858 | 5.866 | 0.650 | 3/8 NPT |
| 2.375 | 3.070 | 3.125 | 3.590 | 2.638 | 1.669 | 0.969 | 1.000 | - | - | - | 4.020 | 6.181 | 0.709 | 3/8 NPT |
| 2.500 | 3.212 | 3.291 | 3.937 | 2.638 | 1.669 | 0.969 | 1.122 | 3.130 | 2.102 | 1.028 | 4.528 | 6.693 | 0.709 | 3/8 NPT |
| 2.625 | 3.338 | 3.417 | 4.016 | 2.638 | 1.669 | 0.969 | 1.250 | 3.130 | 2.102 | 1.028 | 4.528 | 6.378 | 0.630 | 3/8 NPT |
| 2.750 | 3.660 | 3.740 | 4.370 | 2.638 | 1.929 | 0.709 | 1.260 | 3.130 | 2.102 | 1.028 | 4.646 | 7.441 | 0.709 | 3/8 NPT |
| 3.000 | 3.937 | 4.016 | 4.724 | 3.307 | 2.260 | 1.047 | 1.260 | 3.858 | 2.516 | 1.343 | 5.000 | 7.835 | 0.709 | 3/8 NPT |
| 3.250 | 4.189 | 4.268 | 4.921 | 3.307 | 2.260 | 1.047 | 1.260 | 3.858 | 2.516 | 1.343 | 5.315 | 7.830 | 0.709 | 3/8 NPT |
| 3.750 | 4.689 | 4.750 | 5.433 | 3.307 | 2.260 | 1.047 | 1.000 | - | - | - | 5.827 | 8.189 | 0.866 | 3/8 NPT |
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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