Wafer Cast Iron Manual Butterfly Control Valve
Adoptive standard
1.Valve Design: MSS SP-67 for Casting steel,API609+ANSI B16.1 for DI/CI
2.Flange:ANSI B16.1 Class 125,DIN2501 PN10/16; BS4504 PN10/16
3.Face to face:BS EN 558-1; the length in BS EN558-1 is the same in DIN3202/API609/MSS SP-67:2002
4.Pressure test conform to API598
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Item
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Part Name
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Materials
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1
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Body
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Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200;
Ductile Cast Iron:
ASTM A536 65-45-12,DIN 1693 GGG40, EN1563 EN-GJS-400-15,
Stainless Steel: ASTM A351 CF8, CF8M;
Carbon Steel: ASTM A216 WCB
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2
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Stem
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Zinc Plated Steel;
Stainless Steel: ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416;
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3
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Taper Pin
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Stainless Steel: ASTM A276 Type 304, Type 316; EN 1.4501;
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4
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Seat
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NBR, EPDM, Neoprene, PTFE, Viton;
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5
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Disc
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Ductile Cast Iron (Nickel plated):
ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15,
Stainless Steel:
ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501;
AL-Bronze: ASTM B148 C95400;
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6
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O-Ring
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NBR, EPDM
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7
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Bushing
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PTFE, Nylon, Lubricated Bronze;
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8
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Key
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Carbon Steel
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