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butterfly valve
Specification:
CLASS 150 (PN20) NPS 2~60 (DN50-1500)
CLASS 300 (PN50) NPS 2~60 (DN50-1500)
CLASS 600 (PN100) NPS 2~48 (DN50-1200)
CLASS 900 (PN150) NPS 6~36 (DN150-900)
Standard:
Fire test: ISO 10497, API 607
Flange: ISO 5211
Flange end: ANSI/ASME B16.5, ANSI/ASME B16.47,
ISO 7005, EN1 092, DIN 2501
Face to face: API 609, MSS SP-68, ISO 5752, EN 558-1
Test & Inspection: API 598, API 6D, ISO 5208, EN 12266-2
Uses: widely used in many kinds of areas such as petroleum, chemical, natural gas, electricity, metallurgy, water treatment, paper making, shipbuilding, urban heating, medicine and so on.
Feature:
1. Stem seal braided with high strength flexible graphite and carbon fiber, so the sealing have a reliable performance.
2. The structure of lubricating and bearing can support the stem and eliminate wear.
3. The plate and shaft connect in key and threaded between the pin connection, so the performance are reliable, at the same time it can be dismantled or replaced on the spot.
4. Steam seal are designed the two-body to avoid bias caused by jamming to valve stem.
5. The structure of valve plate is optimized to achieve the best seal, and provide the maximum strength and flow capacity.
6. With the unique eccentric structure, this greatly reduces the friction between valve plate ring and valve seat, to effectively prevent the possibility of leakage due to wear and extend the life of the product
We supply good quality Tri-eccentric butterfly valve. Check more detail information
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