The silicon carbide stationary mechanical seal is a precision-engineered sealing solution designed specifically for the demanding requirements of sanitary, high-purity, and chemically aggressive applications in industries such as food and beverage, pharmaceuticals, biotechnology, and chemical processing. APV pumps, known for their hygienic design and reliability in handling sensitive fluids, benefit from this silicon carbide mechanical seal's exceptional material properties and performance characteristics.
Key Features
• Stationary Seat Upgrade: A standalone high-grade silicon carbide stationary seat designed to upgrade APV pumps running with standard Carbon or Steel seats.
• Wear Resistance: Provides a vastly superior mating surface for rotary faces, resisting grooving and scoring from abrasive particles.
• Universal Mating: stationary mechanical seal compatible with Carbon, SiC, or TC rotary faces, offering flexibility in seal configuration.
• Sintered SiC: Stationary mechanical seals are manufactured from Sintered Alpha Silicon Carbide for maximum chemical inertness and hardness.
• O-Ring Mounted: Features an optimized O-ring groove for secure mounting and vibration damping in the pump gland plate.
Stationary Mechanical Seal Technical Specs | Materials | ||
Mediums | Sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and nitric acid with various degrees. etc. | Stationary Ring | Ceramic/Sic/Ssic |
Pressure | ≤0.5MPa | Rotary Ring | Teflon/Sic/Ssic |
Temperature | -20℃ to 120℃ | Secondary Seal | Teflon |
Speed | ≤10m/s | Spring and Metal Part | Stainless Steel |
Product Specifications
| D1 (mm) | Size | D1 (inch) | Seat | D3 | D7 | D6 | L4 | L1 |
| 16 | 0160 | 0.750 | 0191 | 54 | 48.00 | 36.51 | 17.60 | 31.00 |
| 18 | 0180 | 0.750 | 0191 | 54 | 48.00 | 36.51 | 17.60 | 31.00 |
| 20 | 0200 | 0.875 | 0222 | 57 | 51.00 | 39.69 | 17.60 | 31.00 |
| 22 | 0220 | 0.875 | 0222 | 57 | 51.00 | 39.69 | 17.60 | 31.00 |
| 24 | 0240 | 1.000 | 0254 | 61 | 54.00 | 42.86 | 17.60 | 33.00 |
| 25 | 0250 | 1.000 | 0254 | 61 | 54.00 | 42.86 | 17.60 | 33.00 |
| 28 | 0280 | 1.125 | 0317 | 67 | 65.00 | 50.80 | 27.00 | 36.00 |
| 30 | 0300 | 1.250 | 0349 | 70 | 68.00 | 53.98 | 27.00 | 37.00 |
| 32 | 0320 | 1.250 | 0350 | 70 | 68.00 | 53.98 | 27.00 | 37.00 |
| 33 | 0330 | 1.375 | 0381 | 73 | 71.00 | 57.15 | 27.00 | 38.00 |
| 35 | 0350 | 1.375 | 0381 | 73 | 71.00 | 57.15 | 27.00 | 38.00 |
| 38 | 0380 | 1.500 | 0412 | 76 | 78.00 | 63.50 | 27.00 | 38.00 |
| 40 | 0400 | 1.625 | 0444 | 80 | 81.00 | 66.68 | 27.00 | 40.00 |
| 43 | 0430 | 1.750 | 0476 | 83 | 84.00 | 69.85 | 27.00 | 40.00 |
| 45 | 0450 | 1.750 | 0476 | 83 | 84.00 | 69.85 | 27.00 | 40.00 |
| 48 | 0476 | 1.875 | 0508 | 86 | 87.00 | 73.03 | 27.00 | 43.00 |
| 50 | 0500 | 2.000 | 0539 | 89 | 97.00 | 79.38 | 33.40 | 43.00 |
| 53 | 0530 | 2.125 | 0571 | 103 | 100.00 | 82.55 | 33.40 | 53.00 |
| 55 | 0550 | 2.250 | 0603 | 107 | 103.00 | 85.73 | 33.40 | 53.00 |
| 58 | 0580 | 2.375 | 0635 | 110 | 106.00 | 88.90 | 33.40 | 53.00 |
| 60 | 0600 | 2.375 | 0635 | 110 | 106.00 | 88.90 | 33.40 | 53.00 |
Workshop
This workshop is equipped with professional processing equipment and integrated with standardized material warehousing management, enabling a one-stop production process from precision machining to finished product delivery. It ensures part machining accuracy and production efficiency of stationary mechanical seal, meeting various high-specification manufacturing requirements.
Product Research, Development and Testing
Our Product R&D and Testing focuses on optimizing seal performance through advanced simulation and material analysis. All stationary mechanical seals undergo rigorous trials, including thermal cycling and pressure tests, to ensure durability, minimal leakage, and long service life in demanding industrial environments.
Industry Solutions
Case Study
Juice Pulp Processing: The stationary stainless steel seats in a juice pump were grooving due to pulp. We replaced them with these SiC Stationary Seats. The wear stopped completely, allowing the rotary carbon face to seal effectively for the full service interval.
Testimonials
We only use SiC seats now. The extra cost is nothing compared to the extended life we get from our stationary mechanical seal.
—Maintenance Planner, Beverage Factory
FAQs About Silicon Carbide Stationary Mechanical Seal for APV Pumps
Q: Can I use a Carbon rotary with a SiC stationary?
A: Yes, Carbon vs. SiC is an excellent combination. It offers low friction (good for energy efficiency) and high wear resistance (the SiC seat won't wear out).
Our company is specialized in the production of sealing materials, mechanical seals , cartridge seals.
E-mail: gechacha@aliyun.com
Mobile: +86-18758835650
WhatsApp: +86-18758835650
Add: No8-2, Jinsha road Yuelin Street, Fenghua District, Ningbo, Zhejiang
