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 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
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