China Flanged Type Worm Gear Butterfly Valve

Flanged Type Worm Gear Butterfly Valve
Product Description
1) Design and manufacture standards:
A) Wafer and lug: API 609, DIN3354
B) Flange and weld: BS5155 / EN598
2) Inspection and test standards:
API 598, DIN3230, BS5146
3) F-to-F:
A) Wafer and lug: API609, DIN3202 K2
B) Flange: ISO 5752
4) End flange dimension:
ASME B16.5 (for NPS<24"), ASME B16.47 series B,
API605, ASME B16.47 series A, MSS SP-44 (for NPS>24"), or BSEN 1092
5) Top flange: ISO5211
6) Connecting: Wafer, Lug, Flange, Weld
7) Size: 1-1/2" - 40", DN40 - DN1000
8) Pressure: Class125 - Class300, PN6 - PN40
9) Temperature: -20° C - 200° C
10) Body: Cast iron / ductile iron / WCB / 304 / 316
11) Disc: Ductile iron / WCB / 304 / 316 / CF8 / CF8M
12) Stem: 13%Cr / 316 / 304 / SS17-4pH
13) Seat: NBR / EPDM / PTFE / R-PTFE / PPL/Stainless Steel
14) Operation:Lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic actuator
15) Property: Longer service life and zero leakage
16) Widely used in many industries such as:
Water treatment, foodstuff, beverage, pharmaceutics, desalination, steelmaking, chemical machinery industries, pulp and paper manufacturing processing
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STANDARD MATERIAL LISTNo.Parts NameMaterial1Bottom CoverA182 F6, F304, F304L, F316, F316L2StudA193 B7, B7M, B8, B8M3GasketGraphite4BodyA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex5StemA182 F6, F304, F304L, F316, F316L6BoardA182 F6, F304, F304L, F316, F316L7DiscA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex8PinA182 F6, F304, F304L, F316, F316L9StudA193 B7, B7M, B8, B8M10Seal RingSS304+Graphite11BushingSS304+PTFE12PackingGraphite13Yoke NutA194 2H, 2HM, 8, 8M14Yoke StudA193 B7, B7M, B8, B8M15YokeA216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex