Fisher 657 Diaphragm Actuator Size 30 0.4 to 2.0 bar (6 to 30 psig) Direct-Acting
Buy Fisher 657 diaphragm actuator (Size 30, 0.4 to 2.0 bar (6 to 30 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 direct-acting diaphragm actuator (Size 30, 0.4 to 2.0 bar (6 to 30 psig)) features a molded diaphragm in a deep casing for excellent linearity, high thrust capability, and rugged thick-walled cast iron or steel construction. Its split-block stem connection provides solid motion transfer for accurate valve positioning.
Key Features
- Rugged thick-walled cast iron and steel construction
- Effective diaphragm area 297 cm2, 19 mm travel
- Maximum allowable thrust 10231 N
- Split-block stem connection for solid motion transfer
- SIL3 capable, certified by exida
- Direct-acting, spring-opposed design for fail-safe positioning
Genuine Parts, Fast Delivery, Full Support
Every 657 actuator is factory-certified, 100% genuine, and covered by a 1-year warranty with after-sales technical support. Ready stock ships within 48 hours worldwide. Bulk pricing available — contact us for a quote within 12 hours.
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Email: sales@gt-exim.com | WhatsApp: +86 17719526488
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