Key Specifications/Special Features:

Series F201 butterfly valves designed to comply with MSS SP-67, BS5155 and API 609
Compatible with ANSI, DIN, BS, JIS flanges
Available in size 1 to 24"
Available in wafer type, lug type body
Available with handles (1 to 12"), manual gear operators (1 to 24") and electric or pneumatic actuators (1 to 24")
With many bodies and trim combinations of series F201 butterfly valve to meet your application

Materials
1. 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

2. Upper stem:
Zinc-plated steel
Stainless steel: ASTM A276 type 316, type 410, type 420 ASTM A582 type 416

3. Spring pin:
Stainless steel
Carbon steel

4. Disc:
Ductile cast iron (nickel plated or nylon coated): 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

5. Lower stem
Zinc-plated steel
Stainless steel: ASTM A276 type 316, type 410, type 420, ASTM A582 type 416

6. Seat
NBR, EPDM, neoprene, Viton, PTFE

7. O-ring
NBR, EPDM, neoprene, Viton

8. Bushing
PTFE, nylon, lubricated bronze