Fisher 657 Diaphragm Actuator Size 34 0.4 to 2.0 bar (6 to 30 psig) Direct-Acting
Fisher 657 direct-acting actuator, Size 34, 0.4 to 2.0 bar (6 to 30 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 34 unit with a 0.4 to 2.0 bar (6 to 30 psig) spring range provides 29 mm of travel, a 445 cm2 effective diaphragm area, and up to 10231 N of maximum allowable thrust for dependable throttling or on-off control.
Key Features
- Split-block stem connection for solid motion transfer
- Effective diaphragm area 445 cm2, 29 mm travel
- Rugged thick-walled cast iron and steel construction
- Molded diaphragm, deep casing for excellent linearity
- Top- and side-mounted handwheels available
- Maximum allowable thrust 10231 N
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.
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Email: sales@gt-exim.com | WhatsApp: +86 17719526488
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