Hejian Maosheng Sealing Materials Co., Ltd. is a direct manufacturer of gland packing (sealing packing) in Hejian City, Hebei, China, producing aramid, carbon fibre, flexible graphite, PTFE, graphite-PTFE braided, high water base, white PTFE and lubricated packing series. Our packing covers all cross-sections from 3-50 mm and can be used as single strands or multi-strand combinations according to service conditions, widely used in dynamic and static sealing of pumps, valves, flanges, heat exchangers and reactors. As a Hebei packing factory we cut to length on request and supply material composition data and application recommendations.
Specifications
| Series | Cross-Section Size | Service Temperature | Suitable Media |
|---|---|---|---|
| Aramid Packing | 3 – 50 mm | -50 ℃ ～ +250 ℃ | Water, oil, weak acid, alkali, solvents |
| Carbon Fibre Packing | 3 – 50 mm | -50 ℃ ～ +650 ℃ | Hot water, oil, steam, acid and alkali |
| Flexible Graphite Packing | 3 – 50 mm | -200 ℃ ～ +650 ℃ | Steam, oil, organic solvents |
| PTFE Packing | 3 – 30 mm | -200 ℃ ～ +260 ℃ | Strong acid, alkali and corrosive media |
| Graphite-PTFE Braided | 3 – 50 mm | -200 ℃ ～ +260 ℃ | Acid, alkali, salt, solvents, oil |
| High Water Base Packing | 4 – 30 mm | -50 ℃ ～ +200 ℃ | Water, seawater, industrial circulating water |
| White PTFE / Lubricated Packing | 3 – 25 mm | -200 ℃ ～ +260 ℃ | Food grade / mildly corrosive service |
| Asbestos packing (alternative) | 3 – 50 mm | -50 ℃ ～ +500 ℃ | Steam, hot oil |
Application Cases
- Centrifugal / Plunger Pumps Aramid packing with silicone core, wear resistant and damping.
- Valve Sealing Flexible graphite with nickel wire reinforcement for high temperature and pressure.
- Reactors / Heat Exchangers PTFE and graphite PTFE for highly corrosive media.
- Power Plant / Boiler Feed Pumps Carbon fibre with graphite core, stable at high temperature and pressure.
- Chemical Process Valves：Multi-strand braided packing for high sealing reliability.
Our Advantages
- Hejian direct factory with ample stock of the full packing range (aramid / carbon fibre / graphite / PTFE / high water base).
- Full range of 3-50 mm cross-sections in stock, cut to length on request to avoid waste.
- Our selection engineers recommend the best combination based on medium, temperature and pressure.
- Stock sizes shipped the same day, with die-cut packing rings supplied ready to fit.
- 13% VAT invoices available, with material certificates and service condition recommendations.
Need gland packing selection advice or a quotation? Send us the pump or valve model, medium, temperature and pressure and we will reply within 24 hours.
