China supplier high performance stainless steel butterfly valve, motorized butterfly valve

Materials sheet for selection

Part Name

Materials

Body

Cast Iron: ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200, GB12226 HT200;

Ductile Cast Iron: ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15,

GB12227 QT450-10;

Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M;

Carbon Steel: ASTM A216 WCB

Stem

Zinc Plated Steel;

Stainless Steel: ASTM A276 Type 316, Type 410, Type 420, ASTM A582 Type 416;

Taper Pin

Stainless Steel: ASTM A276 Type 304, Type 316, EN 1.4501;

Seat

NBR, EPDM, Neoprene, PTFE, Viton;

Disc

Ductile Cast Iron (Nickel plated): ASTM A536 65-45-12, DIN 1693 GGG40,

EN1563 EN-GJS-400-15, GB12227 QT450-10;

Stainless Steel: ASTM A351 CF8, CF8M, CF3, CF3M, EN 1.4408, 1.4469; 1.4501;

AL-Bronze: ASTM B148 C95400;

O-Ring

NBR, EPDM, Neoprene, Viton;

Bushing

PTFE, Nylon, Lubricated Bronze;

Key

Carbon Steel

This buyer can select material as per materials list. The customer may mark the material and temperature used,

Our company may select instead. When the medium and temperature is special, please consul t with our company.

Seat Temperature Ratings

Material

NBR

Neoprene

EPDM

Hypalon

Viton

PTFE

Temperature Ratings

°C

-20~100

-40~100

-40~120

-32~135

-12~230

-50~200

°F

-4~212

-40~212

-40~248

-25.6~275

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