Manual PTFE Half-Lining Wafer Butterfly Valve
Pressure Range: 1.6Mpa
Flanged Connection: DIN250-PN10/16-ANSI 150LB
Nominal Diameter: DN40-DN200
Application: Petroleum, ChemicalIndustry, Food, Medicine, Energy etc.
Medium Temp.: -79-+180 centigrade (it depends on sealing material)
Dimension: GB/T 12221 J1 Series
ISO 5752 Short Series 20
BS 5155 Water Short/Medium
DIN 3202 Part 3 Series K1
Top Flange: ISO 5211
Body: Gray Cast Iron, Ductile Cast Iron
Disc: Ductile Cast Iron, Stainless Steel, Brass Alloy ect.
Stem: Stainless Steel
Seat: PTFE, PFA, F46, UHMWPE ect.
Operation: Handle, Worm wheel, Electrical, Pneumatic, Hydraulic Actuator, Electro-hydraulic Linkage
Leakage Level: RPTEA EA 12266-2 (Zero Leak)
| Standard and Price |
| |
|
| Valve Standard |
Comply with ISO 5752/BS 5155/BS EN 593/MSS SP-67/API 609 |
| Pressure Temprature and Rating |
| Working Pressure |
16bar/25bar |
| Testing Pressure |
Shell: 24bar/37.5bar |
| Seal: 17.6bar/27.5bar |
| Working Temperature |
-20 °C to 110 °C EPDM Seat |
| -10 °C to 80 °C NBR Seat |
| Suitable Media |
Water, Oil & Gas |
| Material Specification |
| Part |
Material |
EN Spec. |
| Body |
Cast Iron |
A126 Class B |
| Ductile Iron |
A536 Gr. 65-45-12 |
| Disc |
Ductile Iron |
A536 Gr. 65-45-12 |
| Bronze |
B148 C95400 |
| Stainless Steel 304 |
A351 CF-8 |
| Stainless Steel 316 |
A351 CF-8M |
| Shaft |
Stainless Steel 410 |
A276 S 410 00 |
| Stainless Steel 431 |
A276 S 431 00 |
| Seat Ring |
EPDM / NBR |
|
| O-Ring |
EPDM / NBR |
|
| Bushing |
PTFE |
|
| Bronze |
B62 C83600 |
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