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Nominal Pressure: 1.6 ~ 6.4 MPa
Applicable Temperature: -20 ~ 232℃ ~ 350℃
Applicable Media: Water, Oil, Air and some Corrosive Liquid (W, O, G)
Thread Type: G・NPT・BSPT・BSP・DIN259/2999

SIZE | D | L | H | E |
1/4" | 11.6 | 54 | 50 | 100 |
3/8" | 12.7 | 54 | 50 | 100 |
1/2" | 15 | 62 | 60 | 130 |
3/4" | 20 | 71 | 64 | 130 |
1" | 25 | 86 | 71 | 165 |
1 1/4" | 32 | 100 | 78 | 165 |
1 1/2" | 38 | 107 | 86 | 190 |
2" | 50 | 125 | 95 | 190 |
2 1/2" | 65 | 150 | 130 | 250 |
3" | 80 | 174 | 148 | 250 |
4" | 100 | 214 | 180 | 280 |
Deeply rooted in sealing, leading the industry in valve fit: Founded in 2002 as "Lianyi Seals Factory," we have specialized in the production of PTFE seals for valves for over 20 years. In 2012, we expanded into full-service valve manufacturing. Leveraging years of accumulated sealing expertise, we achieve valve seal precision and valve body fit far exceeding industry standards.
Brass base material, ensuring quality from the source: 100% of the brass raw material used in our valves complies with national standards, strictly avoiding impurities. This core material ensures long-term stable operation of the valves, eliminating safety hazards and performance failures caused by base material issues.
Full-service chain, backed by over a decade of OEM/ODM experience: With over a decade of OEM and ODM experience, we offer a comprehensive service offering from product design and R&D to production and delivery. We precisely match customer needs and efficiently support the entire process, from solution implementation to delivery.
