Fisher 657 Diaphragm Actuator Size 100 0.2 to 1.0 bar (3 to 15 psig)
Fisher 657 direct-acting actuator, Size 100, 0.2 to 1.0 bar (3 to 15 psig). High thrust capability, molded diaphragm, rugged cast iron/steel construction. Genuine, ready stock, bulk pricing available.
★★★ Gold-Tier Fisher Supplier in China
- 100% Genuine & Brand New
- Global Fast Shipping via DHL/FedEx
- Fast Quotation within 12 Hours
- 1-Year Warranty Guaranteed
The Fisher 657 is a direct-acting, spring-opposed diaphragm actuator that positions a control valve plug in response to a varying pneumatic output signal. This Size 100 unit with a 0.2 to 1.0 bar (3 to 15 psig) spring range provides 102 mm of travel, a 2902 cm2 effective diaphragm area, and up to 200160 N of maximum allowable thrust for dependable throttling or on-off control.
Key Features
- Split-block stem connection for solid motion transfer
- Rugged thick-walled cast iron and steel construction
- Effective diaphragm area 2902 cm2, 102 mm travel
- Direct-acting, spring-opposed design for fail-safe positioning
- Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm
- Top- and side-mounted handwheels available
Factory-Direct Price & Fast Shipping
We supply Fisher 657 diaphragm actuators factory-direct with competitive bulk pricing. Large ready stock ships within 48 hours via DHL/FedEx worldwide, and every unit is 100% genuine and brand new with a 1-year warranty. Send your size and spring range for a quote within 12 hours.
Request a Quote
Email: sales@gt-exim.com | WhatsApp: +86 17719526488
Documents
Datasheet:
Manuals:
