Fisher 657 Spring-Opposed Diaphragm Actuator Size 46 0.2 to 1.0 bar (3 to 15 psig)
Fisher 657 direct-acting spring-opposed diaphragm actuator, Size 46, 0.2 to 1.0 bar (3 to 15 psig) spring range, 51 mm travel, 1006 cm2 effective diaphragm area. factory-direct price with wholesale bulk pricing and fast global shipping.
★★★ 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 46, 0.2 to 1.0 bar (3 to 15 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
- Temperature range -40 to 82 C standard, to 149 C with silicone diaphragm
- Maximum allowable thrust 33584 N
- Molded diaphragm, deep casing for excellent linearity
- SIL3 capable, certified by exida
- Rugged thick-walled cast iron and steel construction
- Effective diaphragm area 1006 cm2, 51 mm travel
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.
Request a Quote
Email: sales@gt-exim.com | WhatsApp: +86 17719526488
Documents
Datasheet:
Manuals:


