Key Specifications/Special Features:

Series SAIF235 is remodification of series SAIF201
Only compatible
With ANSI 125/150 flanges
Available in sizes: 1 to 12″
Available in wafer type model 15 and model 25, lug type model 20 and model 30 body
One piece bodies are ribbed to assure high-strength and minimum weight
Large top flange provides a secure mounting area for actuators
Available with handles, manual gear operators and electric or pneumatic actuators  

Materials
1. Body:
Cast iron: ASTM A126CL.B
Ductile cast iron: ASTM A536 65-45-12

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

3. Spring pins:
Stainless steel
Carbon steel

4. Disc:
 Ductile cast iron (nickel-plated or nylon coated): ASTM A536 65-45-12
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