Pipeline Valves for the Chemical Industry
The operating conditions of pipeline valves in various technological processes of the chemical industry significantly differ from standard conditions, so their selection requires a comprehensive approach considering chemical resistance, pressure, temperature conditions, pipeline connection, and safety requirements.
PromArm has 25 years of experience in the manufacturing and supply of pipeline valves for the chemical industry. ISO certifications, certificates, and comprehensive engineering solutions. You can check out a short list of references of companies in the chemical industry that use PromArm’s equipment here.
Below are listed applications by medium in which PromArm butterfly valves, knife gate valves and pinch valves can be used:
1. Acids
Including strong and often corrosive acids that are usually used in mass production, such as:
- Sulfuric Acid (H₂SO₄)
- Hydrochloric Acid (HCl)
- Nitric Acid (HNO₃)
- Phosphoric Acid (H₃PO₄)
2. Alkalis and Caustic Substances
Widely used in neutralization and pH control systems:
- Sodium Hydroxide (NaOH)
- Potassium Hydroxide (KOH)
- Ammonia Solutions (NH₃)
3. Hydrocarbons and Derivatives
Found in raw materials or intermediate streams of oil refining and petrochemistry:
- Benzene, Toluene, Xylene (BTX)
- Ethylene, Propylene, Butadiene
- Naphtha, Gas Oils, Reformates
4. High-Temperature Media
Used in cracking, reforming or heat-intensive chemical processes:
- Thermal oil loops (e.g. Dowtherm, Therminol)
- Superheated process steam
- Hot hydrocarbons and vapors
5. Cryogenic and Chilled Media
Commonly used in the storage and transportation of petrochemical products:
- Liquid ethylene (-104°C)
- Liquid propylene (-47°C)
- Chilled ammonia or butane
6. Suspensions and Viscous Chemicals
Used in the production of polymers, pigments, and catalysts:
- Polymer suspension
- Titanium dioxide suspension
- Catalytic suspensions
7. Water Supply and Utilities
Widely used in support and processing systems:
- Cooling water (open/closed loop)
- Deionized or process water
- Firefighting and flushing systems
| Applied Series | Technical Characteristics | Working media temperature | DN (mm) | MPa |
|---|---|---|---|---|
PA 200
|
with a lined disc and PTFE sealing | +200°С | 40-1000 | 1,0; 1,6 |
PA 300
|
with symmetric disk and and an elastomer sealing element | +180°С | 25-1200 | 0,6; 1,0; 1,6; 2,5 |
PA 600
|
with a symmetric disk and an elastomer sealing element | +180°С | 25-1200 | 0,6; 1,0; 1,6 |
PA 900
|
featured triple-eccentric design | +500°С | 50-2000 | 0,6; 1,0; 1,6; 2,5; 4,0; 6,34; 10,0 |
PA 520
|
with double-sided sealing | +180°С | 50-1200 | 0,2; 0,4; 0,6; 1,0 |
PA 530
|
with double-sided sealing in a detachable body | +180°С | 50-1200 | 0,2; 0,6; 0,8; 1,0; 1,6 |
PA 540
|
with single-sided sealing | +200°С | 50-1200 | 0,2; 0,4; 0,6; 1,0 |
PA 550
|
with double-sided sealing and internal rubber inserts | +180°С | 50-1200 | 0,2; 1,0 |
PA 560
|
with double-sided sealing and polyurethane sealing | +90°С | 50-1200 | 0,6; 1,0; 1,6 |
Applications
Our products are utilized across all major sectors of the chemical industry:
- Inorganic chemistry (ammonia, chlorine, alkalis, inorganic acids, fertilizers, etc.)
- Mining-chemical industry (phosphorites, potash and rock salts, apatites);
- Organic chemistry (plastics, synthetic resins, artificial fibers and threads, organic dyes, etc.);
- Paint and coating industry (varnishes, whitening agents, enamels, paints, etc.);
- Production of chemical reagents, catalysts, and high-purity substances (manufacturing of magnetic tapes, photo and cinematographic films, and other photographic materials);
- Pharmaceutical-chemical industry (drug production);
- Microbiological industry;
- Household chemical production (plastic products, fiberglass materials, etc.).