Fisher 657 Direct-Acting Pneumatic Actuator Size 80 0.2 to 1.0 bar (3 to 15 psig)
Buy Fisher 657 diaphragm actuator (Size 80, 0.2 to 1.0 bar (3 to 15 psig)). Fail-open/fail-closed pneumatic positioning for control valves. In stock, brand new, factory-direct price, ships within 48 hours.
★★★ 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 80 unit with a 0.2 to 1.0 bar (3 to 15 psig) spring range provides 76 mm of travel, a 1761 cm2 effective diaphragm area, and up to 63392 N of maximum allowable thrust for dependable throttling or on-off control.
Key Features
- Direct-acting, spring-opposed design for fail-safe positioning
- Rugged thick-walled cast iron and steel construction
- Split-block stem connection for solid motion transfer
- Effective diaphragm area 1761 cm2, 76 mm travel
- SIL3 capable, certified by exida
- Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm
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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